Bitty Engine - An itty bitty game engine

An itty bitty game engine.

Get Bitty Engine

Trial available on Steam also.

About Bitty Engine

Bitty Engine is a cross-platform itty bitty Game Engine and open-source Framework. The full featured engine is programmable in Lua and integrated with built-in editors. It keeps the nature of both engine's productivity, and fantasy computer/console's ease to iterate. It boosts your commercial/non-commercial projects, prototypes, game jams, or just thought experiments.
It is supposed to be your ultimate 2D game creating software.

Features
Bitty Engine offers a set of orthogonal features that makes game development comfortable and enjoyable.

Programmable in Lua, an easy to learn and widely used programming language
Debugger with scope inspector, breakpoint support and stepping
Easy to use API for resources, graphics, input, audio, and more other facilities
Built-in libraries for File, File System, Archive, JSON, Network, etc.
Various example projects
Handy tools for editing sprite, map, image, text, JSON, etc.
Project can be exported into standalone binary

These features are quite stable. Things just change, but it is very important that there won't be unthoughtful breaking changes in future development.

Technical specifications

Display: configurable resolution
Code: Lua, supports multiple source files
Image: either true-color (PNG, JPG, BMP, TGA) or paletted, up to 1024x1024 pixels per file
Palette: 256 colors with transparency support
Sprite: up to 1024x1024 pixels per frame, up to 1024 frames per sprite
Map: up to 4096x4096 tiles per page
Font: supports Bitmap and TrueType
Audio: 1 BGM channel, 4 SFX channels; supports MP3, OGG, WAV, etc.
Gamepad: 6 buttons for each pad (D-Pad + A/B), up to 2 players
Keyboard and mouse: supported

Make your own games

Edit code

Edit sprite

Edit map

Edit image

View sound

View font

Play

Palette

Blend

Custom clip

Terminal

Pathfinding

Redistribute

Bitty Engine helps you to make standalone binaries for Windows, MacOS, Linux and HTML (WebAssembly). It is redistributable for both non-commercial and commercial use without extra fee, your project is totally yours.
Put an image at "../icon.png" relative to executable to customize the icon dynamically. Put an image at "../splash.png" as well to customize the splash; the image could be transparent.
You can also customize redistributable binary by compiling from source.

Get Bitty Engine

<a href="https://tonywang.itch.io/bitty">Bitty Engine by Tony Wang</a>

Get the trial version from Steam also to try out language, libraries, editors, pipelines, etc.

System requirements

Minimum
OS	Windows 7 or later (32/64bit), MacOS 10.7 or later (64bit), Ubuntu 14 or later (32/64bit)
Processor	1.5GHz
Memory	512 MB RAM
Graphics	Intel HD
Storage	150 MB available space