Invulnerability ... UP, DOWN, LEFT, RIGHT, UP, DOWN, LEFT, RIGHT.
Kill all entities ... GREEN, RED, YELLOW, BLUE, GREEN, RED, YELLOW, BLUE.
Cancel atavism knockdown ... UP, GREE, UP, RED, YELLOW, UP, BLUE.
All weapons ... UP, DOWN, LEFT, RIGHT, GREEN, RED.
Equip mini-gun ... UP, UP, DOWN, DOWN, GREEN, RED, GREEN, RED.
Unlock all maps ... BLUE, UP, RIGHT, UP, RIGHT.
Fast melee ... RIGHT, DOWN, LEFT, GREEN.
No target mode (toggle-?) ... BLUE, RED, GREEN, RED.
(Unverified)