- New characters: Mecha Sonic, Mecha Sonic Mk.II, Eggrobo

- Keyboard controls added (Space to Jump, Enter to Pause, A and S for Items)

- Fixed obstacles not being created for the rest of the run when reaching 7500-8000 meters

- Fixed obstacles not spawning when the game tries to generate the same obstacle pattern twice in a row

- Fixed Knuckles' glide sprite missing pixels

- Some adjustments to various character sprites have been made

- Balance change: Mighty no longer bounces off of spikes unless he is falling

- New obstacle spawn patterns added for top speed

- Special Stages now appear at 1500 meters instead of appearing after collecting 50 Rings

- Rebalanced Special Stages

- More adjustments to the final boss

- Tails and Ray no longer have reduced gravity, just higher jump height

- Fixed invincibility music cutting out at random

- Fixed last Special Stage not being unlocked properly

- Minor UI adjustments

- Game Over screen now tells you the buddy you were using, how many lives you lost, and how long you were running for

- New sound test code to remove all emeralds and boss beaten status

- Turt now has a chance to destroy air spikes instead of destroying all of them