diff --git a/src/gui/GuiWindow.zig b/src/gui/GuiWindow.zig
index 50694443..54418746 100644
--- a/src/gui/GuiWindow.zig
+++ b/src/gui/GuiWindow.zig
@@ -90,13 +90,13 @@ pub fn __init() !void {
 	graphics.c.glUniform1i(windowUniforms.image, 0);
 
 	backgroundTexture = Texture.init();
-	const backgroundImage = try Image.readFromFile(main.threadAllocator, "assets/cubyz/ui/window_background.png");
-	defer backgroundImage.deinit(main.threadAllocator);
+	const backgroundImage = try Image.readFromFile(gui.allocator, "assets/cubyz/ui/window_background.png");
+	defer backgroundImage.deinit(gui.allocator);
 	try backgroundTexture.generate(backgroundImage);
 
 	titleTexture = Texture.init();
-	const titleImage = try Image.readFromFile(main.threadAllocator, "assets/cubyz/ui/window_title.png");
-	defer titleImage.deinit(main.threadAllocator);
+	const titleImage = try Image.readFromFile(gui.allocator, "assets/cubyz/ui/window_title.png");
+	defer titleImage.deinit(gui.allocator);
 	try titleTexture.generate(titleImage);
 }
 
@@ -421,7 +421,7 @@ pub fn render(self: *const GuiWindow) !void {
 	draw.restoreTranslation(oldTranslation);
 	draw.restoreScale(oldScale);
 	if(self.showTitleBar) {
-		var text = try graphics.TextBuffer.init(main.threadAllocator, self.title, .{}, false, .center);
+		var text = try graphics.TextBuffer.init(gui.allocator, self.title, .{}, false, .center);
 		defer text.deinit();
 		const titleDimension = try text.calculateLineBreaks(16*scale, self.size[0]*scale);
 		try text.render(self.pos[0] + self.size[0]*scale/2 - titleDimension[0]/2, self.pos[1], 16*scale);
diff --git a/src/gui/components/Button.zig b/src/gui/components/Button.zig
index ebff275f..12990442 100644
--- a/src/gui/components/Button.zig
+++ b/src/gui/components/Button.zig
@@ -56,8 +56,8 @@ pub fn __deinit() void {
 
 fn defaultOnAction() void {}
 
-pub fn init(allocator: Allocator, pos: Vec2f, width: f32, text: []const u8, onAction: ?*const fn() void) Allocator.Error!GuiComponent {
-	const labelComponent = try Label.init(allocator, undefined, width - 3*border, text, .center);
+pub fn init(pos: Vec2f, width: f32, text: []const u8, onAction: ?*const fn() void) Allocator.Error!GuiComponent {
+	const labelComponent = try Label.init(undefined, width - 3*border, text, .center);
 	var self = Button {
 		.onAction = if(onAction) |a| a else &defaultOnAction,
 		.label = labelComponent.impl.label,
diff --git a/src/gui/components/CheckBox.zig b/src/gui/components/CheckBox.zig
index 76ef4334..6bf1be02 100644
--- a/src/gui/components/CheckBox.zig
+++ b/src/gui/components/CheckBox.zig
@@ -49,8 +49,8 @@ pub fn __deinit() void {
 	textureEmpty.deinit();
 }
 
-pub fn init(allocator: Allocator, pos: Vec2f, width: f32, text: []const u8, initialValue: bool, onAction: *const fn(bool) void) Allocator.Error!GuiComponent {
-	const labelComponent = try Label.init(allocator, undefined, width - 3*border - boxSize, text, .left);
+pub fn init(pos: Vec2f, width: f32, text: []const u8, initialValue: bool, onAction: *const fn(bool) void) Allocator.Error!GuiComponent {
+	const labelComponent = try Label.init(undefined, width - 3*border - boxSize, text, .left);
 	var self = CheckBox {
 		.state = initialValue,
 		.onAction = onAction,
diff --git a/src/gui/components/Label.zig b/src/gui/components/Label.zig
index f73a0d42..bd312cce 100644
--- a/src/gui/components/Label.zig
+++ b/src/gui/components/Label.zig
@@ -18,9 +18,9 @@ const fontSize: f32 = 16;
 text: TextBuffer,
 textSize: Vec2f = undefined,
 
-pub fn init(allocator: Allocator, pos: Vec2f, maxWidth: f32, text: []const u8, alignment: TextBuffer.Alignment) Allocator.Error!GuiComponent {
+pub fn init(pos: Vec2f, maxWidth: f32, text: []const u8, alignment: TextBuffer.Alignment) Allocator.Error!GuiComponent {
 	var self = Label {
-		.text = try TextBuffer.init(allocator, text, .{}, false, alignment),
+		.text = try TextBuffer.init(gui.allocator, text, .{}, false, alignment),
 	};
 	self.textSize = try self.text.calculateLineBreaks(fontSize, maxWidth);
 	return GuiComponent {
diff --git a/src/gui/components/Slider.zig b/src/gui/components/Slider.zig
index deb7a280..2fca0343 100644
--- a/src/gui/components/Slider.zig
+++ b/src/gui/components/Slider.zig
@@ -24,7 +24,6 @@ const fontSize: f32 = 16;
 
 var texture: Texture = undefined;
 
-allocator: Allocator,
 callback: *const fn(u16) void,
 currentSelection: u16,
 text: []const u8,
@@ -48,21 +47,20 @@ pub fn __deinit() void {
 	texture.deinit();
 }
 
-pub fn init(allocator: Allocator, pos: Vec2f, width: f32, text: []const u8, comptime fmt: []const u8, valueList: anytype, initialValue: u16, callback: *const fn(u16) void) Allocator.Error!GuiComponent {
-	var values = try allocator.alloc([]const u8, valueList.len);
+pub fn init(pos: Vec2f, width: f32, text: []const u8, comptime fmt: []const u8, valueList: anytype, initialValue: u16, callback: *const fn(u16) void) Allocator.Error!GuiComponent {
+	var values = try gui.allocator.alloc([]const u8, valueList.len);
 	var maxLen: usize = 0;
 	for(valueList, 0..) |value, i| {
-		values[i] = try std.fmt.allocPrint(allocator, fmt, .{value});
+		values[i] = try std.fmt.allocPrint(gui.allocator, fmt, .{value});
 		maxLen = @max(maxLen, values[i].len);
 	}
 
-	const initialText = try allocator.alloc(u8, text.len + maxLen);
+	const initialText = try gui.allocator.alloc(u8, text.len + maxLen);
 	std.mem.copy(u8, initialText, text);
 	std.mem.set(u8, initialText[text.len..], ' ');
-	const labelComponent = try Label.init(allocator, undefined, width - 3*border, initialText, .center);
-	const buttonComponent = try Button.init(allocator, undefined, undefined, "", null);
+	const labelComponent = try Label.init(undefined, width - 3*border, initialText, .center);
+	const buttonComponent = try Button.init(undefined, undefined, "", null);
 	var self = Slider {
-		.allocator = allocator,
 		.callback = callback,
 		.currentSelection = initialValue,
 		.text = text,
@@ -87,10 +85,10 @@ pub fn deinit(self: Slider) void {
 	self.label.deinit();
 	self.button.deinit();
 	for(self.values) |value| {
-		self.allocator.free(value);
+		gui.allocator.free(value);
 	}
-	self.allocator.free(self.values);
-	self.allocator.free(self.currentText);
+	gui.allocator.free(self.values);
+	gui.allocator.free(self.currentText);
 }
 
 fn setButtonPosFromValue(self: *Slider, size: Vec2f) !void {
@@ -100,11 +98,11 @@ fn setButtonPosFromValue(self: *Slider, size: Vec2f) !void {
 }
 
 fn updateLabel(self: *Slider, newValue: []const u8, width: f32) !void {
-	self.allocator.free(self.currentText);
-	self.currentText = try self.allocator.alloc(u8, newValue.len + self.text.len);
+	gui.allocator.free(self.currentText);
+	self.currentText = try gui.allocator.alloc(u8, newValue.len + self.text.len);
 	std.mem.copy(u8, self.currentText, self.text);
 	std.mem.copy(u8, self.currentText[self.text.len..], newValue);
-	const labelComponent = try Label.init(self.allocator, undefined, width - 3*border, self.currentText, .center);
+	const labelComponent = try Label.init(undefined, width - 3*border, self.currentText, .center);
 	self.label.deinit();
 	self.label = labelComponent.impl.label;
 }
diff --git a/src/gui/components/TextInput.zig b/src/gui/components/TextInput.zig
index 03516205..85a479a7 100644
--- a/src/gui/components/TextInput.zig
+++ b/src/gui/components/TextInput.zig
@@ -41,10 +41,10 @@ pub fn __deinit() void {
 
 // TODO: Make this scrollable.
 
-pub fn init(allocator: Allocator, pos: Vec2f, maxWidth: f32, text: []const u8) Allocator.Error!GuiComponent {
+pub fn init(pos: Vec2f, maxWidth: f32, text: []const u8) Allocator.Error!GuiComponent {
 	var self = TextInput {
-		.currentString = std.ArrayList(u8).init(allocator),
-		.textBuffer = try TextBuffer.init(allocator, text, .{}, true, .left),
+		.currentString = std.ArrayList(u8).init(gui.allocator),
+		.textBuffer = try TextBuffer.init(gui.allocator, text, .{}, true, .left),
 		.maxWidth = maxWidth,
 	};
 	try self.currentString.appendSlice(text);
@@ -85,7 +85,7 @@ pub fn deselect(self: *TextInput) void {
 
 fn reloadText(self: *TextInput) !void {
 	self.textBuffer.deinit();
-	self.textBuffer = try TextBuffer.init(self.currentString.allocator, self.currentString.items, .{}, true, .left);
+	self.textBuffer = try TextBuffer.init(gui.allocator, self.currentString.items, .{}, true, .left);
 	self.textSize = try self.textBuffer.calculateLineBreaks(fontSize, self.maxWidth);
 }
 
diff --git a/src/gui/components/VerticalList.zig b/src/gui/components/VerticalList.zig
index 86de3722..0505a564 100644
--- a/src/gui/components/VerticalList.zig
+++ b/src/gui/components/VerticalList.zig
@@ -17,9 +17,9 @@ children: std.ArrayList(GuiComponent),
 currentOffset: f32 = 0,
 maxWidth: f32 = 0,
 
-pub fn init(allocator: Allocator) Allocator.Error!VerticalList {
+pub fn init() Allocator.Error!VerticalList {
 	const self = VerticalList {
-		.children = std.ArrayList(GuiComponent).init(allocator),
+		.children = std.ArrayList(GuiComponent).init(gui.allocator),
 	};
 	return self;
 }
diff --git a/src/gui/gui.zig b/src/gui/gui.zig
index ba9058bb..ee06a24e 100644
--- a/src/gui/gui.zig
+++ b/src/gui/gui.zig
@@ -23,10 +23,13 @@ pub var openWindows: std.ArrayList(*GuiWindow) = undefined;
 pub var selectedWindow: ?*GuiWindow = null; // TODO: Make private.
 pub var selectedTextInput: ?*TextInput = null;
 
-pub fn init() !void {
-	windowList = std.ArrayList(*GuiWindow).init(main.globalAllocator);
-	hudWindows = std.ArrayList(*GuiWindow).init(main.globalAllocator);
-	openWindows = std.ArrayList(*GuiWindow).init(main.globalAllocator);
+pub var allocator: Allocator = undefined;
+
+pub fn init(_allocator: Allocator) !void {
+	allocator = _allocator;
+	windowList = std.ArrayList(*GuiWindow).init(allocator);
+	hudWindows = std.ArrayList(*GuiWindow).init(allocator);
+	openWindows = std.ArrayList(*GuiWindow).init(allocator);
 	inline for(@typeInfo(windowlist).Struct.decls) |decl| {
 		try @field(windowlist, decl.name).init();
 	}
diff --git a/src/gui/windows/change_name.zig b/src/gui/windows/change_name.zig
index b0af10ee..43b1a7c0 100644
--- a/src/gui/windows/change_name.zig
+++ b/src/gui/windows/change_name.zig
@@ -28,14 +28,10 @@ pub fn init() !void {
 const padding: f32 = 8;
 
 pub fn onOpen() Allocator.Error!void {
-	var list = try VerticalList.init(main.globalAllocator);
+	var list = try VerticalList.init();
 	// TODO Please change your name bla bla
-	try list.add(try TextInput.init(main.globalAllocator, .{0, 16}, 128, "gr da jkwa hfeka fuei   \n ofuiewo\natg78o4ea74e8t\nz57 t4738qa0 47a80 t47803a t478aqv t487 5t478a0 tg478a09 t748ao t7489a rt4e5 okv5895 678v54vgvo6r z8or z578v rox74et8ys9otv 4z3789so z4oa9t z489saoyt z"));
-	// TODO
-	//try list.add(try Button.init(.{0, 16}, 128, main.globalAllocator, "Singleplayer TODO", &buttonCallbackTest));
-	//try list.add(try Button.init(.{0, 16}, 128, main.globalAllocator, "Multiplayer TODO", &buttonCallbackTest));
-	//try list.add(try Button.init(.{0, 16}, 128, main.globalAllocator, "Settings", gui.openWindowFunction("cubyz:settings")));
-	//try list.add(try Button.init(.{0, 16}, 128, main.globalAllocator, "Exit TODO", &buttonCallbackTest));
+	try list.add(try TextInput.init(.{0, 16}, 128, "gr da jkwa hfeka fuei   \n ofuiewo\natg78o4ea74e8t\nz57 t4738qa0 47a80 t47803a t478aqv t487 5t478a0 tg478a09 t748ao t7489a rt4e5 okv5895 678v54vgvo6r z8or z578v rox74et8ys9otv 4z3789so z4oa9t z489saoyt z"));
+	// TODO: Done button.
 	components[0] = list.toComponent(.{padding, padding});
 	window.contentSize = components[0].size + @splat(2, @as(f32, 2*padding));
 	gui.updateWindowPositions();
diff --git a/src/gui/windows/controls.zig b/src/gui/windows/controls.zig
index 25243d89..e6d89902 100644
--- a/src/gui/windows/controls.zig
+++ b/src/gui/windows/controls.zig
@@ -49,14 +49,14 @@ fn keypressListener(key: c_int, mouseButton: c_int, scancode: c_int) void {
 }
 
 pub fn onOpen() Allocator.Error!void {
-	var list = try VerticalList.init(main.globalAllocator);
+	var list = try VerticalList.init();
 	list.currentOffset = 8;
 	inline for(comptime std.meta.fieldNames(@TypeOf(main.keyboard))) |field| {
-		var label = try Label.init(main.globalAllocator, .{0, 8}, 128, field, .left);
+		var label = try Label.init(.{0, 8}, 128, field, .left);
 		var button = if(&@field(main.keyboard, field) == selectedKey) (
-			try Button.init(main.globalAllocator, .{128 + 16, 8}, 128, "...", null)
+			try Button.init(.{128 + 16, 8}, 128, "...", null)
 		) else (
-			try Button.init(main.globalAllocator, .{128 + 16, 8}, 128, @field(main.keyboard, field).getName(), &functionBuilder(field))
+			try Button.init(.{128 + 16, 8}, 128, @field(main.keyboard, field).getName(), &functionBuilder(field))
 		);
 		if(label.size[1] > button.size[1]) {
 			button.pos[1] += (label.size[1] - button.size[1])/2;
diff --git a/src/gui/windows/graphics.zig b/src/gui/windows/graphics.zig
index d53c1384..87fd1c21 100644
--- a/src/gui/windows/graphics.zig
+++ b/src/gui/windows/graphics.zig
@@ -47,14 +47,14 @@ fn vsyncCallback(newValue: bool) void {
 }
 
 pub fn onOpen() Allocator.Error!void {
-	var list = try VerticalList.init(main.globalAllocator);
+	var list = try VerticalList.init();
 	const renderDistances = [_]u32{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
-	try list.add(try Slider.init(main.globalAllocator, .{0, 16}, 128, "#ffffffRender Distance: ", "{}", &renderDistances, settings.renderDistance - 1, &renderDistanceCallback));
+	try list.add(try Slider.init(.{0, 16}, 128, "#ffffffRender Distance: ", "{}", &renderDistances, settings.renderDistance - 1, &renderDistanceCallback));
 	const LODFactors = [_]f32{0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8};
-	try list.add(try Slider.init(main.globalAllocator, .{0, 16}, 128, "#ffffffLOD Factor: ", "{d:.1}", &LODFactors, @floatToInt(u16, settings.LODFactor*2) - 1, &LODFactorCallback));
+	try list.add(try Slider.init(.{0, 16}, 128, "#ffffffLOD Factor: ", "{d:.1}", &LODFactors, @floatToInt(u16, settings.LODFactor*2) - 1, &LODFactorCallback));
 	// TODO: fog?
-	try list.add(try CheckBox.init(main.globalAllocator, .{0, 16}, 128, "Bloom", settings.bloom, &bloomCallback));
-	try list.add(try CheckBox.init(main.globalAllocator, .{0, 16}, 128, "Vertical Synchronization", settings.vsync, &vsyncCallback));
+	try list.add(try CheckBox.init(.{0, 16}, 128, "Bloom", settings.bloom, &bloomCallback));
+	try list.add(try CheckBox.init(.{0, 16}, 128, "Vertical Synchronization", settings.vsync, &vsyncCallback));
 	components[0] = list.toComponent(.{padding, padding});
 	window.contentSize = components[0].size + @splat(2, @as(f32, 2*padding));
 	gui.updateWindowPositions();
diff --git a/src/gui/windows/main.zig b/src/gui/windows/main.zig
index 55a8922d..e71a5e2a 100644
--- a/src/gui/windows/main.zig
+++ b/src/gui/windows/main.zig
@@ -30,11 +30,11 @@ pub fn buttonCallbackTest() void {
 const padding: f32 = 8;
 
 pub fn onOpen() Allocator.Error!void {
-	var list = try VerticalList.init(main.globalAllocator);
-	try list.add(try Button.init(main.globalAllocator, .{0, 16}, 128, "Singleplayer TODO", &buttonCallbackTest));
-	try list.add(try Button.init(main.globalAllocator, .{0, 16}, 128, "Multiplayer TODO", &buttonCallbackTest));
-	try list.add(try Button.init(main.globalAllocator, .{0, 16}, 128, "Settings", gui.openWindowFunction("cubyz:settings")));
-	try list.add(try Button.init(main.globalAllocator, .{0, 16}, 128, "Exit TODO", &buttonCallbackTest));
+	var list = try VerticalList.init();
+	try list.add(try Button.init(.{0, 16}, 128, "Singleplayer TODO", &buttonCallbackTest));
+	try list.add(try Button.init(.{0, 16}, 128, "Multiplayer TODO", &buttonCallbackTest));
+	try list.add(try Button.init(.{0, 16}, 128, "Settings", gui.openWindowFunction("cubyz:settings")));
+	try list.add(try Button.init(.{0, 16}, 128, "Exit TODO", &buttonCallbackTest));
 	components[0] = list.toComponent(.{padding, padding});
 	window.contentSize = components[0].size + @splat(2, @as(f32, 2*padding));
 	gui.updateWindowPositions();
diff --git a/src/gui/windows/settings.zig b/src/gui/windows/settings.zig
index 2024bbc0..48fe2a59 100644
--- a/src/gui/windows/settings.zig
+++ b/src/gui/windows/settings.zig
@@ -27,11 +27,11 @@ pub fn init() !void {
 const padding: f32 = 8;
 
 pub fn onOpen() Allocator.Error!void {
-	var list = try VerticalList.init(main.globalAllocator);
-	try list.add(try Button.init(main.globalAllocator, .{0, 16}, 128, "Graphics", gui.openWindowFunction("cubyz:graphics")));
-	try list.add(try Button.init(main.globalAllocator, .{0, 16}, 128, "Sound", gui.openWindowFunction("cubyz:sound")));
-	try list.add(try Button.init(main.globalAllocator, .{0, 16}, 128, "Controls", gui.openWindowFunction("cubyz:controls")));
-	try list.add(try Button.init(main.globalAllocator, .{0, 16}, 128, "Change Name", gui.openWindowFunction("cubyz:change_name")));
+	var list = try VerticalList.init();
+	try list.add(try Button.init(.{0, 16}, 128, "Graphics", gui.openWindowFunction("cubyz:graphics")));
+	try list.add(try Button.init(.{0, 16}, 128, "Sound", gui.openWindowFunction("cubyz:sound")));
+	try list.add(try Button.init(.{0, 16}, 128, "Controls", gui.openWindowFunction("cubyz:controls")));
+	try list.add(try Button.init(.{0, 16}, 128, "Change Name", gui.openWindowFunction("cubyz:change_name")));
 	components[0] = list.toComponent(.{padding, padding});
 	window.contentSize = components[0].size + @splat(2, @as(f32, 2*padding));
 	gui.updateWindowPositions();
diff --git a/src/gui/windows/sound.zig b/src/gui/windows/sound.zig
index c3ba1ff0..46e9163b 100644
--- a/src/gui/windows/sound.zig
+++ b/src/gui/windows/sound.zig
@@ -27,12 +27,8 @@ pub fn init() !void {
 const padding: f32 = 8;
 
 pub fn onOpen() Allocator.Error!void {
-	var list = try VerticalList.init(main.globalAllocator);
+	var list = try VerticalList.init();
 	// TODO
-	//try list.add(try Button.init(.{0, 16}, 128, main.globalAllocator, "Singleplayer TODO", &buttonCallbackTest));
-	//try list.add(try Button.init(.{0, 16}, 128, main.globalAllocator, "Multiplayer TODO", &buttonCallbackTest));
-	//try list.add(try Button.init(.{0, 16}, 128, main.globalAllocator, "Settings", gui.openWindowFunction("cubyz:settings")));
-	//try list.add(try Button.init(.{0, 16}, 128, main.globalAllocator, "Exit TODO", &buttonCallbackTest));
 	components[0] = list.toComponent(.{padding, padding});
 	window.contentSize = components[0].size + @splat(2, @as(f32, 2*padding));
 	gui.updateWindowPositions();
diff --git a/src/main.zig b/src/main.zig
index df645a21..58fdecdc 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -450,7 +450,7 @@ pub fn main() !void {
 	try graphics.init();
 	defer graphics.deinit();
 
-	try gui.init();
+	try gui.init(globalAllocator);
 	defer gui.deinit();
 	try gui.openWindow("cubyz:hotbar");
 	try gui.openWindow("cubyz:hotbar2");