Open RollerCoasterTycoon 2 is an open source RollerCoasterTycoon 2.OpenRCT 2 features include:- User Interface theming.
- Fast-forwarding gameplay.
- Multiplayer support.
- Multilingual. Improved translations.
- OpenGL hardware rendering.
- Various fixes and improvements for bugs in the original game.
- Native support for Linux and macOS.
- Added hacks and cheats.
- Auto-saving and giant screenshots.
- Original bug fixes.
- Twitch integration
https://openrct2.org/quickstart