Usagi Engine
usagiengine.com
Spec sheet
- Purpose
- Usagi is a 2D game engine for making pixel art games in Lua 5.5.Read 9 Oct 2026 · usagiengine.com
- Free plan
- YesRead 24 Sep 2026 · usagiengine.com
- Maker
- Usagi is made by Brett Chalupa.Read 9 Oct 2026 · usagiengine.com
- Asset tools
- Users bring their own sound effects, sprite editor, and music tools.Read 9 Oct 2026 · usagiengine.com
- Built-in pause menu
- The built-in pause menu includes sound and music volume, fullscreen toggle, and per-game keyboard and gamepad remapping.Read 9 Oct 2026 · usagiengine.com
- Console export
- NoRead 24 Sep 2026 · usagiengine.com
- Default constraints
- Usagi uses a 320x180 default resolution, a 16x16 default sprite grid, and one sprites.png texture file.Read 9 Oct 2026 · usagiengine.com
- Developer support
- The site directs users to open an issue for feedback, feature requests, and bugs, and links to Discord and Reddit communities.Read 9 Oct 2026 · usagiengine.com
- Export
- A single export command packages games for Linux, macOS, Windows, and the web.Read 9 Oct 2026 · usagiengine.com
- Installer integrity
- The installer verifies the downloaded release with a SHA-256 checksum.Read 9 Oct 2026 · usagiengine.com
- Live reload
- The development command watches code and assets and applies saved changes without losing game state.Read 9 Oct 2026 · usagiengine.com
- Mobile export
- NoRead 24 Sep 2026 · usagiengine.com
- Multiplayer tools
- NoRead 24 Sep 2026 · usagiengine.com
- Notable limits
- Usagi does not target mobile or VR and is not built for medium-to-large polished games.Read 9 Oct 2026 · usagiengine.com
- Save data
- One function saves and loads game state as a Lua table.Read 9 Oct 2026 · usagiengine.com
- Scripting languages
- Lua 5.5Read 24 Sep 2026 · usagiengine.com
- Source code model
- open_sourceRead 24 Sep 2026 · usagiengine.com
- Target platforms
- Linux,macOS,Windows,webRead 24 Sep 2026 · usagiengine.com
- Visual scripting
- NoRead 24 Sep 2026 · usagiengine.com
- Who it is for
- The maker describes it as suited to rapid pixel-art prototyping, people new to game programming, Pico-8 users who hit the token limit, and people seeking something simpler than Love2D.Read 9 Oct 2026 · usagiengine.com
Plans and prices
Usagi Engine Free Free software; dedicated to the public domain Read 9 Oct 2026 · usagiengine.com
Where Specifiction places it
- Game Engine Software#58 of 928.1