Free, open-source GameMaker-style IDE for making 2D games in Python — visual blocks, no coding required. Exports to Windows/macOS/Linux, HTML5, and mobile. 9 languages.

Express.js-style networking for Roblox — typed routes, server push, LZ77 compression, exploit detection, 60hz FPS streaming. Free alternative to ByteNet and Warp.

Application demonstrating features and capabilities of JPL Spatial library.

Functor: A functional language for games

Hova is a Domain-Specific Language designed to describe and organize entities in a clean, readable and structured way. It lets you define your data once and automatically export it as JSON, YAML or TOML.

Persistent world memory engine for games. Chronos lets NPCs remember events and evolve behavior over time.

Cocos Creator 3.8.x asset usage & dependency topology explorer — browser + CLI

A story about death and immortality - 2D RPG

Refine and quantize messy AI pixel art into clean, perfect pixels,support video!

An Attempt to recreate Aseprite on PyQT6

A simple 2D Tile Map Editor made with C++ and SDL2.

A deterministic browser-based authoring and testing tool for mixed tone + dialogue scenes.

A web based tool to create Color-Palette with various generators to help add colors quickly.

An Avalonia UI app for visualizing UE's BuildGraph XML files

Read-only CLI: check an itch.io jam's real phase and pool size from its own embedded JSON, not the (sometimes stale) countdown text.

Unreal Engine 5.6 content validation plugin with a .NET 8 CLI/API, OpenTelemetry, and read-only MCP tooling.

A curated collection of game design resources: books, tools, talks, templates, and more.

Pixie is a voice‑first AI assistant for Unreal Engine 5.8 & Windows. Uses Gemini Live API to control UE (spawn actors, Blueprints, AI, camera) and automate Windows tasks. Write Python scripts on the fly. Free/Pro. Future: UE 5.4‑5.7, multiple AI APIs (OpenAI, Claude, local).

🚀 Streamline game uploads to Steam and Itch with this guide on using command line tools for efficient integration and management.