DD2A-476B Infinite missiles--player 1
DD2E-4DDB Infinite missiles--player 2
6D33-47D6 Infinite energy--player 1
6D3F-1DA6 Infinite energy--player 2
5E27-44A7 Shields lasts longer
D62B-4F67 Plasma Pulse Energizer lasts longer--player 1
D628-47D7 Plasma Pulse Energizer lasts longer--player 2
C267-47A5 Keep P.P.E. for that level once picked up--P1
C260-4765 Keep P.P.E. for that level once picked up--P2
D12D-4707 Get 6 missiles for each 1--player 1
DB2D-4707 Get 9 missiles for each 1--player 1
D124-4D67 Get 6 missiles for each 1--player 2
DB24-4D67 Get 6 missiles for each 1--player 2
C9B7-1407 Infinite gunpower--player 1
C9B9-17D7 Infinite gunpower--player 2
FDB3-476F Gunpower replenishes slower--player 1
FDB0-1F0F Gunpower replenishes slower--player 2
FD3E-C7A3 10 credits
F93E-C7A3 15 credits
4D3E-C7A3 20 credits
D12B-44A7 P.P.E. does extra damage--player 1
F42B-44A7 P.P.E. does massive damage--player 1