diff --git a/.gitignore b/.gitignore
index 59fb2c28..259123b1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,4 +8,5 @@ latest/windows/haxe/
 .haxelib/
 pages/
 docs/doc.xml
-mods/Baldi's Basics in Funkin'/
\ No newline at end of file
+mods/Baldi's Basics in Funkin'/
+dev-libs/
\ No newline at end of file
diff --git a/commandline/Utils.hx b/commandline/Utils.hx
new file mode 100644
index 00000000..20216822
--- /dev/null
+++ b/commandline/Utils.hx
@@ -0,0 +1,69 @@
+package;
+
+using StringTools;
+
+class Utils {
+	// trace(evaluateArgsCondition("hello && (world || world)", ["hello", "world"])); //  true
+	// trace(evaluateArgsCondition("hello && (!world || world)", ["hello"])); //  true
+	// trace(evaluateArgsCondition("hello && (!world && world)", ["hello", "world"])); //  false
+    public static function evaluateArgsCondition(condition:String, args:Array<String>):Bool {
+        function evaluateToken(token:String):Bool {
+            if (token.charAt(0) == '!') {
+                return !args.contains(token.substr(1));
+            } else {
+                return args.contains(token);
+            }
+        }
+
+        condition = condition.replace('&&', '&').replace('||', '|').replace(" ", "");
+
+        var stack:Array<Dynamic> = [];
+        var i = 0;
+
+        while (i < condition.length) {
+            var char = condition.charAt(i);
+
+            switch (char) {
+                case '(':
+                    var j = i;
+                    var balance = 1;
+                    while (balance != 0) {
+                        j++;
+                        if (condition.charAt(j) == '(') balance++;
+                        if (condition.charAt(j) == ')') balance--;
+                    }
+                    var subExpr = condition.substr(i + 1, j - i - 1);
+                    stack.push(evaluateArgsCondition(subExpr, args));
+                    i = j;
+                case '&', '|':
+                    stack.push(char);
+                default:
+                    var token = "";
+                    while (i < condition.length && condition.charAt(i) != '&' && condition.charAt(i) != '|' && condition.charAt(i) != '(' && condition.charAt(i) != ')') {
+                        token += condition.charAt(i);
+                        i++;
+                    }
+                    stack.push(evaluateToken(token));
+                    i--;
+            }
+            i++;
+        }
+
+        return evaluate(stack);
+    }
+
+    public static function evaluate(stack:Array<Dynamic>):Bool {
+        var result = stack.shift();
+        while (stack.length > 0) {
+            var op = stack.shift();
+            var next = stack.shift();
+            switch(op) {
+                case '&':
+                    result = result && next;
+                case '|':
+                    result = result || next;
+            }
+        }
+        return result;
+    }
+}
diff --git a/commandline/commands/Compiler.hx b/commandline/commands/Compiler.hx
index 6d09f5aa..5f573328 100644
--- a/commandline/commands/Compiler.hx
+++ b/commandline/commands/Compiler.hx
@@ -15,21 +15,19 @@ class Compiler {
 	}
 
 	private static function __build(args:Array<String>, arg:Array<String>) {
+		arg.insert(0, "lime");
+		arg.insert(0, "run");
 		for(a in args)
 			arg.push(a);
-		Sys.command("lime", arg);
+		Sys.command("haxelib", arg);
 	}
 
 	public static function getBuildTarget() {
 		return switch(Sys.systemName()) {
-			case "Windows":
-				"windows";
-			case "Mac":
-				"macos";
-			case "Linux":
-				"linux";
-			case def:
-				def.toLowerCase();
+			case "Windows": "windows";
+			case "Mac": "macos";
+			case "Linux": "linux";
+			case def: def.toLowerCase();
 		}
 	}
 }
\ No newline at end of file
diff --git a/commandline/commands/Update.hx b/commandline/commands/Update.hx
index 269b2035..36a790ad 100644
--- a/commandline/commands/Update.hx
+++ b/commandline/commands/Update.hx
@@ -8,11 +8,9 @@ import sys.FileSystem;
 
 class Update {
 	public static function main(args:Array<String>) {
-		prettyPrint("Preparing installation...");
-
 		var args = ArgParser.parse(args, ["S" => "silent-progress", "silent" => "silent-progress"]);
 		var CHECK_VSTUDIO = !args.existsOption("no-vscheck");
-		var REINSTALL_ALL = args.existsOption("all");
+		var REINSTALL_ALL = args.existsOption("reinstall");
 		var SILENT = args.existsOption("silent-progress");
 
 		// to prevent messing with currently installed libs
@@ -24,44 +22,168 @@ class Update {
 			FileSystem.createDirectory('.haxelib');
 		}
 
-		var libs:Array<Library> = [];
-		var libsXML:Access = new Access(Xml.parse(File.getContent('./libs.xml')).firstElement());
+		var libFile = "./libs.xml";
+		if(args.existsOption("lib")) {
+			libFile = args.getOption("lib");
+			if(libFile == null) {
+				Sys.println('Please specify a file with the --lib option as --lib=path/to/libs.xml');
+				return;
+			}
+		}
+		if(!FileSystem.exists(libFile)) {
+			Sys.println('File $libFile does not exist.');
+			return;
+		}
+
+		var events:Array<Event> = [];
+		var libsXML:Access = new Access(Xml.parse(File.getContent(libFile)).firstElement());
+
+		function handleLib(libNode:Access) {
+			switch(libNode.name) {
+				case "lib" | "git":
+					var lib:Library = {
+						name: libNode.att.name,
+						type: libNode.name
+					};
+					if (libNode.has.global) lib.global = libNode.att.global;
+					switch (lib.type) {
+						case "lib":
+							if (libNode.has.version) lib.version = libNode.att.version;
+						case "git":
+							if (libNode.has.url) lib.url = libNode.att.url;
+							if (libNode.has.ref) lib.ref = libNode.att.ref;
+					}
+					events.push({
+						type: INSTALL,
+						data: lib
+					});
+				case "cmd":
+
+					events.push({
+						type: CMD,
+						data: {
+							inLib: libNode.has.inLib ? libNode.att.inLib : null,
+							lines: {
+								if(Lambda.count(libNode.nodes.line) > 0)
+								[
+									for(line in libNode.nodes.line)
+										line.innerData
+								];
+								else
+								[
+									libNode.has.cmd ? libNode.att.cmd : "echo 'No command specified'"
+								];
+							}
+						}
+					});
+				case "print":
+					events.push({
+						type: PRINT,
+						data: {
+							text: libNode.innerData,
+							pretty: libNode.has.pretty && libNode.att.pretty == "true"
+						}
+					});
+				default:
+					Sys.println('Unknown library type ${libNode.name}');
+			}
+		}
+
+		var platform = switch(Sys.systemName()) {
+			case "Windows": "windows";
+			case "Mac": "mac";
+			case "Linux": "linux";
+			case def: def.toLowerCase();
+		}
+
+		var defines = args.args.copy();
+		defines.push(platform);
+		if(args.args.length == 0) defines.push("all");
+
+		function parse(libNode:Access) {
+			if(libNode.name == "if") {
+				var cond = libNode.att.cond;
+				if(!Utils.evaluateArgsCondition(cond, defines)) {
+					return;
+				}
+
+				for(child in libNode.elements) {
+					parse(child);
+				}
+			} else {
+				handleLib(libNode);
+			}
+		}
 
 		for (libNode in libsXML.elements) {
-			var lib:Library = {
-				name: libNode.att.name,
-				type: libNode.name
-			};
-			if (libNode.has.global) lib.global = libNode.att.global;
-			switch (lib.type) {
-				case "lib":
-					if (libNode.has.version) lib.version = libNode.att.version;
-				case "git":
-					if (libNode.has.url) lib.url = libNode.att.url;
-					if (libNode.has.ref) lib.ref = libNode.att.ref;
-			}
-			libs.push(lib);
+			parse(libNode);
 		}
 
 		var commandSuffix = " --always";
 		if (SILENT) commandSuffix += " --silent";
 
-		for(lib in libs) {
-			var globalism:Null<String> = lib.global == "true" ? "--global" : null;
-			var globalSuffix = globalism != null ? ' $globalism' : '';
-			switch(lib.type) {
-				case "lib":
-					prettyPrint((lib.global == "true" ? "Globally installing" : "Locally installing") + ' "${lib.name}"...');
-					Sys.command('haxelib install ${lib.name} ${lib.version != null ? " " + lib.version : " "}$globalSuffix$commandSuffix');
-				case "git":
-					prettyPrint((lib.global == "true" ? "Globally installing" : "Locally installing") + ' "${lib.name}" from git url "${lib.url}"');
-					Sys.command('haxelib git ${lib.name} ${lib.url}${lib.ref != null ? ' ${lib.ref}' : ''}$globalSuffix$commandSuffix');
-				default:
-					prettyPrint('Cannot resolve library of type "${lib.type}"');
+		for(event in events) {
+			switch(event.type) {
+				case INSTALL:
+					var lib:Library = event.data;
+					var globalism:Null<String> = lib.global == "true" ? "--global" : null;
+					var globalSuffix = globalism != null ? ' $globalism' : '';
+					switch(lib.type) {
+						case "lib":
+							prettyPrint((lib.global == "true" ? "Globally installing" : "Locally installing") + ' "${lib.name}"...');
+							Sys.command('haxelib install ${lib.name} ${lib.version != null ? " " + lib.version : " "}$globalSuffix$commandSuffix');
+						case "git":
+							prettyPrint((lib.global == "true" ? "Globally installing" : "Locally installing") + ' "${lib.name}" from git url "${lib.url}"');
+							Sys.command('haxelib git ${lib.name} ${lib.url}${lib.ref != null ? ' ${lib.ref}' : ''}$globalSuffix$commandSuffix');
+						default:
+							prettyPrint('Cannot resolve library of type "${lib.type}"');
+					}
+				case CMD:
+					var cmd:CmdData = event.data;
+					var lib = cmd.inLib;
+					var oldCwd = Sys.getCwd();
+					if(lib != null) {
+						var libPrefix = '.haxelib/$lib';
+						if(FileSystem.exists(libPrefix)) {
+							if(FileSystem.exists(libPrefix + '/.dev')) { // haxelib dev
+								var devPath = File.getContent(libPrefix + '/.dev');
+								if(!FileSystem.exists(devPath)) {
+									Sys.println('Cannot find dev path $devPath for $lib');
+									Sys.setCwd(oldCwd);
+									continue;
+								}
+								Sys.setCwd(devPath);
+							} else if(FileSystem.exists(libPrefix + '/.current')) {
+								var version = StringTools.replace(File.getContent(libPrefix + '/.current'), ".", ",");
+								if(!FileSystem.exists(libPrefix + '/$version')) {
+									Sys.println('Cannot find version $version of $lib');
+									Sys.setCwd(oldCwd);
+									continue;
+								}
+								Sys.setCwd(libPrefix + '/$version');
+							} else {
+								Sys.println('Cannot find .dev or .current file in $libPrefix');
+								Sys.setCwd(oldCwd);
+								continue;
+							}
+						}
+					}
+					for(line in cmd.lines) {
+						var line = StringTools.replace(line, "$PLATFORM", platform);
+						//Sys.println(line);
+						Sys.command(line);
+					}
+					Sys.setCwd(oldCwd);
+				case PRINT:
+					var data:PrintData = event.data;
+					if(data.pretty)
+						prettyPrint(data.text);
+					else
+						Sys.println(data.text);
 			}
 		}
 
-		var proc = new Process('haxe --version');
+		/*var proc = new Process('haxe --version');
 		proc.exitCode(true);
 		var haxeVer = proc.stdout.readLine();
 		if (haxeVer != "4.2.5") {
@@ -84,7 +206,7 @@ class Update {
 					break;
 				}
 			}
-		}
+		}*/
 
 		// vswhere.exe its used to find any visual studio related installations on the system, including full visual studio ide installations, visual studio build tools installations, and other related components  - Nex
 		if (CHECK_VSTUDIO && Compiler.getBuildTarget().toLowerCase() == "windows" && new Process('"C:/Program Files (x86)/Microsoft Visual Studio/Installer/vswhere.exe" -property catalog_productDisplayVersion').exitCode(true) == 1) {
@@ -142,3 +264,24 @@ typedef Library = {
 	var ?ref:String;
 	var ?url:String;
 }
+
+typedef Event = {
+	var type:EventType;
+	var data:Dynamic;
+}
+
+typedef CmdData = {
+	var ?inLib:String;
+	var lines:Array<String>;
+}
+
+typedef PrintData = {
+	var text:String;
+	var ?pretty:Bool;
+}
+
+enum abstract EventType(Int) {
+	var INSTALL = 0;
+	var CMD = 1;
+	var PRINT = 2;
+}
\ No newline at end of file
diff --git a/libs.xml b/libs.xml
index cfdec718..838a9991 100644
--- a/libs.xml
+++ b/libs.xml
@@ -1,22 +1,43 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <libraries>
-	<!-- OpenFL & Lime (Required for Flixel) -->
-	<lib name="openfl" version="9.2.2" />
-	<lib name="lime"  version="8.1.2" />
+	<if cond="update || all">
+		<print pretty="true">Preparing installation...</print>
 
-	<!-- Flixel -->
-	<git name="flixel" url="https://github.com/FNF-CNE-Devs/flixel" />
-	<git name="flixel-addons" url="https://github.com/FNF-CNE-Devs/flixel-addons" />
+		<!-- OpenFL & Lime (Required for Flixel) -->
+		<git name="openfl" url="https://github.com/FNF-CNE-Devs/openfl" />
+		<git name="lime" url="https://github.com/FNF-CNE-Devs/lime" />
 
-	<!-- Other Libraries -->
-	<git name="hscript-improved" url="https://github.com/FNF-CNE-Devs/hscript-improved" ref="custom-classes" />
-	<git name="flxanimate" url="https://github.com/FNF-CNE-Devs/flxanimate" />
-	<git name="hxdiscord_rpc" url="https://github.com/FNF-CNE-Devs/hxdiscord_rpc" />
-	<lib name="hxvlc" />
+		<!-- Flixel -->
+		<git name="flixel" url="https://github.com/FNF-CNE-Devs/flixel" />
+		<git name="flixel-addons" url="https://github.com/FNF-CNE-Devs/flixel-addons" />
 
-	<!-- Documentation and other features -->
-	<git name="away3d" url="https://github.com/FNF-CNE-Devs/away3d" />
-	<!-- <lib name="dox" /> -->
-	<lib name="format" />
-	<lib name="markdown" />
+		<!-- Other Libraries -->
+		<git name="hscript-improved" url="https://github.com/FNF-CNE-Devs/hscript-improved" ref="custom-classes" />
+		<git name="flxanimate" url="https://github.com/FNF-CNE-Devs/flxanimate" />
+		<git name="hxdiscord_rpc" url="https://github.com/FNF-CNE-Devs/hxdiscord_rpc" />
+		<lib name="hxvlc" />
+
+		<!-- Documentation and other features -->
+		<git name="away3d" url="https://github.com/FNF-CNE-Devs/away3d" />
+		<!-- <lib name="dox" /> -->
+		<lib name="format" />
+		<lib name="markdown" />
+
+		<!-- For building lime -->
+		<lib global="true" name="hxp" />
+		<lib global="true" name="format" />
+	</if>
+
+	<!-- Lime Building -->
+	<if cond="build-lime || all">
+		<print pretty="true">Building Lime...</print>
+
+		<!-- Build lime -->
+		<cmd inLib="lime" cmd="lime rebuild . $PLATFORM" />
+		<cmd inLib="lime" >
+			<line>cd tools</line>
+			<line>haxe tools.hxml</line>
+			<line>cd ..</line>s
+		</cmd>
+	</if>
 </libraries>
diff --git a/setup-dev.xml b/setup-dev.xml
new file mode 100644
index 00000000..dc2762ff
--- /dev/null
+++ b/setup-dev.xml
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<libraries>
+	<print pretty="true">Setting up dev libs...</print>
+
+	<cmd>
+		<line>mkdir dev-libs</line>
+	</cmd>
+
+	<if cond="openfl || all">
+		<cmd>
+			<line>cd dev-libs</line>
+			<line>git clone https://github.com/FNF-CNE-Devs/openfl openfl</line>
+			<line>cd ..</line>
+			<line>haxelib dev openfl dev-libs/openfl</line>
+		</cmd>
+	</if>
+
+	<if cond="lime || all">
+		<cmd>
+			<line>cd dev-libs</line>
+			<line>git clone https://github.com/FNF-CNE-Devs/lime lime</line>
+			<line>cd ..</line>
+			<line>haxelib dev lime dev-libs/lime</line>
+		</cmd>
+
+		<!-- Build lime -->
+		<cmd inLib="lime" cmd="lime rebuild . $PLATFORM" />
+		<cmd inLib="lime" >
+			<line>cd tools</line>
+			<line>haxe tools.hxml</line>
+			<line>cd ..</line>s
+		</cmd>
+	</if>
+
+	<if cond="flixel || all">
+		<cmd>
+			<line>cd dev-libs</line>
+			<line>git clone https://github.com/FNF-CNE-Devs/flixel flixel</line>
+			<line>cd ..</line>
+			<line>haxelib dev flixel dev-libs/flixel</line>
+		</cmd>
+	</if>
+
+	<if cond="flixel-addons || all">
+		<cmd>
+			<line>cd dev-libs</line>
+			<line>git clone https://github.com/FNF-CNE-Devs/flixel-addons flixel-addons</line>
+			<line>cd ..</line>
+			<line>haxelib dev flixel-addons dev-libs/flixel-addons</line>
+		</cmd>
+	</if>
+
+	<if cond="hscript-improved || all">
+		<cmd>
+			<line>cd dev-libs</line>
+			<line>git clone https://github.com/FNF-CNE-Devs/hscript-improved hscript-improved</line>
+			<line>cd ..</line>
+			<line>haxelib dev hscript-improved dev-libs/hscript-improved</line>
+		</cmd>
+	</if>
+
+	<if cond="flxanimate || all">
+		<cmd>
+			<line>cd dev-libs</line>
+			<line>git clone https://github.com/FNF-CNE-Devs/flxanimate flxanimate</line>
+			<line>cd ..</line>
+			<line>haxelib dev flxanimate dev-libs/flxanimate</line>
+		</cmd>
+	</if>
+
+	<if cond="hxdiscord_rpc || all">
+		<cmd>
+			<line>cd dev-libs</line>
+			<line>git clone https://github.com/FNF-CNE-Devs/hxdiscord_rpc hxdiscord_rpc</line>
+			<line>cd ..</line>
+			<line>haxelib dev hxdiscord_rpc dev-libs/hxdiscord_rpc</line>
+		</cmd>
+	</if>
+
+	<if cond="away3d || all">
+		<cmd>
+			<line>cd dev-libs</line>
+			<line>git clone https://github.com/FNF-CNE-Devs/away3d away3d</line>
+			<line>cd ..</line>
+			<line>haxelib dev away3d dev-libs/away3d</line>
+		</cmd>
+	</if>
+
+	<print pretty="true">Setup for dev libs complete!</print>
+</libraries>
diff --git a/source/funkin/backend/assets/ModsFolderLibrary.hx b/source/funkin/backend/assets/ModsFolderLibrary.hx
index be052548..c30b7270 100644
--- a/source/funkin/backend/assets/ModsFolderLibrary.hx
+++ b/source/funkin/backend/assets/ModsFolderLibrary.hx
@@ -18,7 +18,7 @@ class ModsFolderLibrary extends AssetLibrary implements IModsAssetLibrary {
 	public var folderPath:String;
 	public var modName:String;
 	public var libName:String;
-	public var useImageCache:Bool = true;
+	//public var useImageCache:Bool = true;
 	public var prefix = 'assets/';
 
 	public function new(folderPath:String, libName:String, ?modName:String) {
diff --git a/source/lime/system/System.hx b/source/lime/system/System.hx
index 59b71a83..98efafe3 100644
--- a/source/lime/system/System.hx
+++ b/source/lime/system/System.hx
@@ -25,6 +25,9 @@ import js.Browser;
 import sys.io.Process;
 #end
 
+/**
+	Access operating system level settings and operations.
+**/
 #if !lime_debug
 @:fileXml('tags="haxe,release"')
 @:noDebug
@@ -44,21 +47,68 @@ extern "C" {
 #end
 class System
 {
+	/**
+		Determines if the screen saver is allowed to start or not.
+	**/
 	public static var allowScreenTimeout(get, set):Bool;
+
+	/**
+		The path to the directory where the application is installed, along with
+		its supporting files. In many cases, this directory is read-only, and
+		attempts to write to files, create new files, or delete files in this
+		directory are likely fail.
+	**/
 	public static var applicationDirectory(get, never):String;
+
+	/**
+		The application's dedicated storage directory, which unique to each
+		application and user. Useful for storing settings on a user-specific
+		and application-specific basis.
+
+		This directory may or may not be removed when the application is
+		uninstalled, and it depends on the platform and installer technology
+		that is used.
+	**/
 	public static var applicationStorageDirectory(get, never):String;
+
+	/**
+		The path to the directory containing the user's desktop.
+	**/
 	public static var desktopDirectory(get, never):String;
+
 	public static var deviceModel(get, never):String;
 	public static var deviceVendor(get, never):String;
 	public static var disableCFFI:Bool;
+
+	/**
+		The path to the directory containing the user's documents.
+	**/
 	public static var documentsDirectory(get, never):String;
+
+	/**
+		The platform's default endianness for bytes.
+	**/
 	public static var endianness(get, never):Endian;
+
+	/**
+		The path to the directory where fonts are installed.
+	**/
 	public static var fontsDirectory(get, never):String;
+
+	/**
+		The number of available video displays.
+	**/
 	public static var numDisplays(get, never):Int;
+
 	public static var platformLabel(get, never):String;
 	public static var platformName(get, never):String;
 	public static var platformVersion(get, never):String;
+
+	/**
+		The path to the user's home directory.
+	**/
 	public static var userDirectory(get, never):String;
+
 	@:noCompletion private static var __applicationDirectory:String;
 	@:noCompletion private static var __applicationEntryPoint:Map<String, Function>;
 	@:noCompletion private static var __applicationStorageDirectory:String;
@@ -84,7 +134,7 @@ class System
 		{
 			var htmlElement:Element = null;
 
-			if (Std.is(element, String))
+			if ((element is String))
 			{
 				htmlElement = cast Browser.document.getElementById(element);
 			}
@@ -115,7 +165,7 @@ class System
 
 			if (config == null) config = {};
 
-			if (Reflect.hasField(config, "background") && Std.is(config.background, String))
+			if (Reflect.hasField(config, "background") && (config.background is String))
 			{
 				var background = StringTools.replace(Std.string(config.background), "#", "");
 
@@ -139,6 +189,10 @@ class System
 	#end
 
 	#if (!lime_doc_gen || sys)
+	/**
+		Attempts to exit the application. Dispatches `onExit`, and will not
+		exit if the event is canceled.
+	**/
 	public static function exit(code:Int):Void
 	{
 		var currentApp = Application.current;
@@ -167,6 +221,9 @@ class System
 	}
 	#end
 
+	/**
+		Returns information about the video display with the specified ID.
+	**/
 	public static function getDisplay(id:Int):Display
 	{
 		#if (lime_cffi && !macro)
@@ -265,11 +322,12 @@ class System
 		return null;
 	}
 
+	/**
+		The number of milliseconds since the application was initialized.
+	**/
 	public static function getTimer():Int
 	{
-		#if (kha && !macro)
-		return Std.int(kha.System.time * 1000);
-		#elseif flash
+		#if flash
 		return flash.Lib.getTimer();
 		#elseif ((js && !nodejs) || electron)
 		return Std.int(Browser.window.performance.now());
@@ -295,6 +353,11 @@ class System
 	}
 	#end
 
+	/**
+		Opens a file with the suste, default application.
+
+		In a web browser, opens a URL with target `_blank`.
+	**/
 	public static function openFile(path:String):Void
 	{
 		if (path != null)
@@ -304,7 +367,7 @@ class System
 			#elseif mac
 			Sys.command("/usr/bin/open", [path]);
 			#elseif linux
-			Sys.command("/usr/bin/xdg-open", [path, "&"]);
+			Sys.command("/usr/bin/xdg-open", [path]);
 			#elseif (js && html5)
 			Browser.window.open(path, "_blank");
 			#elseif flash
@@ -318,6 +381,9 @@ class System
 		}
 	}
 
+	/**
+		Opens a URL with the specified target web browser window.
+	**/
 	public static function openURL(url:String, target:String = "_blank"):Void
 	{
 		if (url != null)
@@ -430,6 +496,8 @@ class System
 	#if sys
 	private static function __parseArguments(attributes:WindowAttributes):Void
 	{
+		// TODO: Handle default arguments, like --window-fps=60
+
 		var arguments = Sys.args();
 		var stripQuotes = ~/^['"](.*)['"]$/;
 		var equals, argValue, parameters = null;
@@ -825,7 +893,7 @@ class System
 	}
 }
 
-enum abstract SystemDirectory(Int) from Int to Int from UInt to UInt
+#if (haxe_ver >= 4.0) enum #else @:enum #end abstract SystemDirectory(Int) from Int to Int from UInt to UInt
 {
 	var APPLICATION = 0;
 	var APPLICATION_STORAGE = 1;
diff --git a/source/lime/utils/Log.hx b/source/lime/utils/Log.hx
index 633cc71c..de13c040 100644
--- a/source/lime/utils/Log.hx
+++ b/source/lime/utils/Log.hx
@@ -12,17 +12,17 @@ import funkin.backend.system.Logs as FunkinLogs;
 class Log
 {
 	public static var level:LogLevel;
+	public static var throwErrors:Bool = false;
 
 	public static function debug(message:Dynamic, ?info:PosInfos):Void
 	{
 		if (level >= LogLevel.DEBUG)
 		{
 			#if js
-			untyped __js__("console").debug("[" + info.className + "] " + message);
+			untyped #if haxe4 js.Syntax.code #else __js__ #end ("console").debug("[" + info.className + "] " + message);
 			#else
 			println("[" + info.className + "] " + Std.string(message));
 			#end
-
 		}
 	}
 
@@ -30,23 +30,32 @@ class Log
 	{
 		if (level >= LogLevel.ERROR)
 		{
-			var message = '[${info.className}] $message';
-
-			#if !macro
-			FunkinLogs.trace(message, ERROR, RED);
-			#else
-			trace(message);
-			#end
+			if (throwErrors)
+			{
+				#if webassembly
+				println(message);
+				#end
+				throw message;
+			}
+			else
+			{
+				#if !macro
+				FunkinLogs.trace('[${info.className}] $message', ERROR, RED);
+				#else
+				println("[" + info.className + "] ERROR: " + message);
+				#end
+			}
 		}
 	}
 
 	public static function info(message:Dynamic, ?info:PosInfos):Void
 	{
-		if (level >= LogLevel.INFO) {
+		if (level >= LogLevel.INFO)
+		{
 			#if !macro
 			FunkinLogs.trace('[${info.className}] $message', INFO, RED);
 			#else
-			trace('[${info.className}] $message');
+			println("[" + info.className + "] " + Std.string(message));
 			#end
 		}
 	}
@@ -58,7 +67,7 @@ class Log
 		#elseif flash
 		untyped __global__["trace"](Std.string(message));
 		#elseif js
-		untyped __js__("console").log(message);
+		untyped #if haxe4 js.Syntax.code #else __js__ #end ("console").log(message);
 		#else
 		trace(message);
 		#end
@@ -71,7 +80,7 @@ class Log
 		#elseif flash
 		untyped __global__["trace"](Std.string(message));
 		#elseif js
-		untyped __js__("console").log(message);
+		untyped #if haxe4 js.Syntax.code #else __js__ #end ("console").log(message);
 		#else
 		trace(Std.string(message));
 		#end
@@ -79,11 +88,12 @@ class Log
 
 	public static function verbose(message:Dynamic, ?info:PosInfos):Void
 	{
-		if (level >= LogLevel.VERBOSE) {
+		if (level >= LogLevel.VERBOSE)
+		{
 			#if !macro
 			FunkinLogs.trace('[${info.className}] $message', VERBOSE);
 			#else
-			trace('[${info.className}] $message');
+			println("[" + info.className + "] " + message);
 			#end
 		}
 	}
@@ -95,7 +105,7 @@ class Log
 			#if !macro
 			FunkinLogs.trace('[${info.className}] $message', WARNING, YELLOW);
 			#else
-			trace('[${info.className}] $message');
+			println("[" + info.className + "] WARNING: " + Std.string(message));
 			#end
 		}
 	}
@@ -125,13 +135,13 @@ class Log
 		#end
 
 		#if js
-		if (untyped __js__("typeof console") == "undefined")
+		if (untyped #if haxe4 js.Syntax.code #else __js__ #end ("typeof console") == "undefined")
 		{
-			untyped __js__("console = {}");
+			untyped #if haxe4 js.Syntax.code #else __js__ #end ("console = {}");
 		}
-		if (untyped __js__("console").log == null)
+		if (untyped #if haxe4 js.Syntax.code #else __js__ #end ("console").log == null)
 		{
-			untyped __js__("console").log = function() {};
+			untyped #if haxe4 js.Syntax.code #else __js__ #end ("console").log = function() {};
 		}
 		#end
 	}