Sonic the Hedgehog 2
From SDA Knowledge Base
This run also exists as a reference for all emeralds, or 100%. Note that this run, unlike other Sonic 2 runs, is timed in real time.
Leaderboards - All the best times to date, with videos where available. Please note the rules on this page, particularly those regarding emulators!
Game Mechanics and Glitches - Some explanations about how the game works, specific techniques, and glitches
Casual Speedrunning - Some adjustments to make speedrunning the game easier
Additional Resources - Links to other helpful resources