Mega Man II - Gameboy

Mega Man II - GB

Jump in Midair
CD0-F0F-195
D40-F1F-195
0F0-F2F-195
C90-F3F-195
CD2-26E-081
F02-27E-5D7
002-28E-D55
182-2AE-4CA
002-44E-6EA
012-45E-E6A

Invincibility
C95-CEC-E69

Note: Can still die from spikes.

Infinite All Weapons
00A-14C-A28

One Hit Kill
184-59C-08A
006-129-A29