Super Mario Bros. Crossover
http://www.kongregate.com/games/Exploding_Rabbit/super-mario-bros-crossover
It's Super Mario. With non-Mario characters.
Infinite lives:
66 ae 02 93 d6 d1 d2 61 ae 02 =>
66 ae 02 02 d6 d1 d2 61 ae 02
The code is seriously retarded, and I don't have enough time to dig up power up or time hacks. Anyway, this should do.