- Renamed the game to Surge the Rabbit
- Improved the pixel art style of the game
- Created a new Waterworks Zone
- New gimmicks: Conveyor Belts, Walk on Water, Power Pluggy
- New title screen and new title card animation
- New translations: Italian, Esperanto
- Introduced language extensions (languages/extends/ folder)
- Improved macOS compatibility
- Introduced support for transitions between animations
- Introduced the concepts of action spot and sprite anchor
- Improvements to the SurgeScript API
- Improved several core scripts
- Added support for compound ${EXPRESSIONS} when evaluating text
- Changed the physics
- Added support for D-pad input on Xbox controllers
- Removed legacy Allegro 4 code
- Bugfixes and general improvements