Alternatives to LunaBox

Unity MCP by Coplay is an AI agent that completes Unity game development tasks inside the editor from plain-English prompts.

Noctie is a humanlike chess AI that plays at your Elo, grades every move, and turns your blunders into spaced-repetition puzzles.

Fifth Door turns a text prompt into a playable browser game you can share by link.

Tesana is an AI game maker that turns a text prompt or an image into a playable 3D browser game in minutes.

Describe a 2D world in plain English — Makko AI makes the art, animations, and a playable browser game.

Describe a game idea and Star builds a playable browser game with hosted multiplayer, leaderboards, and a shareable link.

CartoVoxel is a browser-based real-world Minecraft map generator that turns any address or city into a playable Java or Bedrock world.

Powder watches your gameplay and auto-saves highlight clips for Valorant, Fortnite, and League of Legends players.

Turn a text prompt or a sprite into a playable browser game you can publish to Astrocade's social arcade

Opus turns text prompts into playable 2D and 3D game worlds, with AI co-pilots and one-click export.

MarioGPT generates playable Super Mario Bros levels from plain-English prompts via a fine-tuned distilgpt2 text-to-level model.

HakkoAI is a screen-aware AI game companion that watches PC gameplay and pushes real-time voice tips mid-fight.

Vaibie turns a text prompt into a playable browser game or 3D world rendered live with three.js.

CreativeMode generates playable Minecraft mods and Bedrock add-ons from a plain-English prompt, no Java required

Browser-based AI pixel art sprite sheet generator with a grid you define and looping playback before export.

Bitpart AI gives Unreal 5 games multi-agent NPCs that talk to the player, talk to each other, and react to props.

MaaNTE automates Neverness to Everness dailies with image recognition and OCR — free and AGPL-3.0.

Browser-based visual novel maker with AI art, audio, and writing assistance

Record 10-15 minutes of your gameplay, train a PyTorch neural network, and let this open-source bot farm your MMORPGs while you sleep.

Ludo's AI sprite generator turns one frame and a motion prompt into an engine-ready animated spritesheet.

Layer is an agentic AI creative engine that turns a brief into on-brand game art, UA ads, video and 3D assets

Project-aware AI assistant that reads your Unity or Godot project and acts inside the editor

AI sprite sheet generator with true alpha transparency for 2D games

On-device AI NPC agent and LLM toolkit for game prototyping

Unreal Engine plugin that wires 30+ LLMs, text-to-3D, TTS and an MCP server into the editor

Convai builds embodied 3D AI characters that see, hear, and act inside Unity, Unreal Engine, and XR worlds.

Neocortex builds stateful, voice-aware AI NPCs for Unity and other engines through a node-based editor and SDKs.

Open-source, mobile-first 3D game engine that runs Luau — the same scripting language Roblox uses — with an in-app AI coding assistant.

PerfectPixel turns a one-line character description into 8-direction pixel-art sprite sheets with 100+ motion presets, generated locally.

StractiAI builds vision-based game bots on Windows that read your screen with object detection — no game memory injection required.