-35% Lily2D
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Description
A code-first 2D Game Engine featuring fast iteration using Swamp - a sleek, deterministic, custom script language. Lily2D has shader-based rendering, software synth for music and sound effects, networking, input handling and multi-platform export.
Released
June 9, 2026
Price
Platforms
macOS · Windows
Developer
Peter Björklund
Publisher
Outbreak Studios
About
A 2D Game Engine for people who want complete control over how their game is built.
There is no visual editor. No scene graph. No inspectors.
When you start the engine, you get a blank window and build your game directly in code.
If you enjoy low-level, fast iteration, and designing your own architecture, Lily2D is made for you!
Features
- Swamp: Build gameplay, rendering logic, and even server-side logic in Swamp, a deterministic custom language designed for fast iteration.
- WebGPU: Highly customizable shader-based pipelines with WGSL on top of WebGPU. Includes math utilities for vectors, matrices, and quaternions.
- Software Synth: Play audio using Ogg Vorbis or WAV, stream music and shape playback with ADSR envelopes.
- Gamepad and Mouse Input: Gamepad-focused input, with support for a single keyboard and mouse.
- Networking: Send and receive unreliable UDP datagrams using a custom non-encrypted protocol designed for games.
- Persistence: Save user settings and save-games in a platform neutral way.
- Font Loader: Load BMF format, a specialized, high performance font format for games.
- Platforms: Export your game to Windows, macOS, Linux, and SteamOS.
Demo Available!
The demo gives you hands-on experience of the core Lily2D workflow. Use this demo to experiment, play around with new ideas, and build something awesome.
Demo Limitations
- No Steam export
- No networking support
- No dedicated server support
- No advanced tools included
- Builds created with the demo version contain a watermark