Sonic The Hedgehog 2

• Level select: at the sound test play these numbers 19,65,09,17 then at the title screen hold A and press start
• Debug mode: at the level select menu play these numbers 01,09,09,02,01,01,02,04 and then hold A and press start on the level you want to go to
• Play as Ashura: go to Emerald Hill act 1 or 2 with the debug on and put a whole bunch the invisible item(waterfall) and then when you walk from behind them sonic should turn green and black and now you have Ashura
• All choas emeralds: at the level select menu play these numbers 4,1,2,6