Heavy Nova (USA)

Infinite energy (player 1)

Infinite power (player 1)

Infinite energy (player 2 or computer in a 1-player game)

Infinite power (player 2 or computer in a 1-player game)

Limit player 2 (or computer in a 1 player game) to power level 6

Limit player 2 (or computer in a 1-player game) power level 4

Limit player 2 (or computer in a 1-player game) to power level 2

Start computer at low energy level

Infinite time

Run time down at 1/2x normal speed

Run time down at 2x normal speed

Run time down at 3x normal speed

Run time down at 4x normal speed

Run time down at 8x normal speed

Infinite continues

9 continues

1 continue

No continues

Limit Player 2 (Or Computer In A 1-Player Game) To Power Level 6

Infinite Health P1

Untouchable

Invulnerability (Walk Thru Enemies)

Invincibility