diff --git a/src/gui/windows/save_selection.zig b/src/gui/windows/save_selection.zig
index e5467724..afe96071 100644
--- a/src/gui/windows/save_selection.zig
+++ b/src/gui/windows/save_selection.zig
@@ -24,9 +24,7 @@ const padding: f32 = 8;
 const width: f32 = 128;
 var buttonNameArena: std.heap.ArenaAllocator = undefined;
 
-fn openWorld(namePtr: usize) void {
-	const nullTerminatedName: [*:0]const u8 = @ptrFromInt(namePtr);
-	const name = std.mem.span(nullTerminatedName);
+pub fn openWorld(name: []const u8) void {
 	std.log.info("TODO: Open world {s}", .{name});
 	main.server.thread = std.Thread.spawn(.{}, main.server.start, .{name}) catch |err| {
 		std.log.err("Encountered error while starting server thread: {s}", .{@errorName(err)});
@@ -60,6 +58,12 @@ fn openWorld(namePtr: usize) void {
 //	} catch(InterruptedException e) {}
 }
 
+fn openWorldWrap(namePtr: usize) void { // TODO: Improve this situation. Maybe it makes sense to always use 2 arguments in the Callback.
+	const nullTerminatedName: [*:0]const u8 = @ptrFromInt(namePtr);
+	const name = std.mem.span(nullTerminatedName);
+	openWorld(name);
+}
+
 fn flawedDeleteWorld(name: []const u8) !void {
 	var saveDir = try std.fs.cwd().openDir("saves", .{});
 	defer saveDir.close();
@@ -128,7 +132,7 @@ pub fn onOpen() Allocator.Error!void {
 			const name = try buttonNameArena.allocator().dupeZ(u8, entry.name); // Null terminate, so we can later recover the string from just the pointer.
 			const buttonName = try std.fmt.allocPrint(buttonNameArena.allocator(), "Play {s}", .{decodedName});
 			
-			try row.add(try Button.initText(.{0, 0}, 128, buttonName, .{.callback = &openWorld, .arg = @intFromPtr(name.ptr)}));
+			try row.add(try Button.initText(.{0, 0}, 128, buttonName, .{.callback = &openWorldWrap, .arg = @intFromPtr(name.ptr)}));
 			try row.add(try Button.initText(.{8, 0}, 64, "delete", .{.callback = &deleteWorld, .arg = @intFromPtr(name.ptr)}));
 			row.finish(.{0, 0}, .center);
 			try list.add(row);
diff --git a/src/main.zig b/src/main.zig
index dcaa2c28..b3bde17f 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -718,6 +718,11 @@ pub fn main() !void {
 	Window.GLFWCallbacks.framebufferSize(undefined, Window.width, Window.height);
 	var lastTime = std.time.nanoTimestamp();
 
+	if(settings.developerAutoEnterWorld.len != 0) {
+		// Speed up the dev process by entering the world directly.
+		gui.windowlist.save_selection.openWorld(settings.developerAutoEnterWorld);
+	}
+
 	while(c.glfwWindowShouldClose(Window.window) == 0) {
 		{ // Check opengl errors:
 			const err = c.glGetError();
diff --git a/src/settings.zig b/src/settings.zig
index 6f9f3d96..355f50c6 100644
--- a/src/settings.zig
+++ b/src/settings.zig
@@ -38,6 +38,9 @@ pub var guiScale: ?f32 = null;
 pub var musicVolume: f32 = 1;
 
 
+pub var developerAutoEnterWorld: []const u8 = "";
+
+
 pub fn init() !void {
 	const json: JsonElement = main.files.readToJson(main.threadAllocator, "settings.json") catch |err| blk: {
 		if(err == error.FileNotFound) break :blk JsonElement{.JsonNull={}};