Stop Timer
Mario's Picross (USA, Europe) (SGB Enhanced)
Game Boy
rimsky82 
00B-118-19E
Mistakes Don't Decrease Time
Mario's Picross (USA, Europe) (SGB Enhanced)
Game Boy
rimsky82 
00C-8F8-A2C
Complete Invincibility
Super Mario Land 2 - 6 Golden Coins (USA, Europe)
Game Boy
rimsky82 
C9E-8ED-081
49C-38E-B3E
18C-4CE-6EA
Level-up every ? lines
Tetris (USA)
Nintendo Entertainment System
rimsky82 
9BCA?0F:??
Pieces Fall at Level ? Rate
Tetris (USA)
Nintendo Entertainment System
Joshua Tolles 
8975?A6:A2
8976?44:??
Collect Rings From Anywhere
Sonic Advance 3 (USA) (En,Ja,Fr,De,Es,It)
Game Boy Advance
Demonic722 
E5BE99D5 F4ECB9A7
65DA389A 09D8882C
C460BB40 15C2D75E
65DA389A 09D8882C
579A2657 CB1C400B
65DA389A 09D8882C
EAAE470A 66399874
65DA389A 09D8882C