Go to the player option before the game starts and then press fire on the human option. Then move down and press fire on the computer option. Then, when the game starts, you'll have all the computer's units and he'll have yours. Because the game usually gives the computer more units, you'll gain this advantage.
ONE PLAYER
1-"BLOCK" | 07-"YUKON" | 13-"SOUND" | 19-"NOUTH"
2-"WATCH" | 08-"POINT" | 14-"TWEAK" | 20-"FJORD"
3-"LAGUN" | 09-"FROGS" | 15-"NIPON" | 21-"DONOR"
4-"BIRMA" | 10-"ITALY" | 16-"FLAIR" | 22-"LEYES"
5-"SERPT" | 11-"LINES" | 17-"ARROW" | 23-"JUMPY"
6-"RAMBO" | 12-"VARUS" | 18-"KORSO" | 24-"WERFT"
TWO PLAYER
1-"CLOAK" | 3-"BOMBS" | 5-"PEARL" | 7-"ROMEL"
2-"LOSAG" | 4-"COMET" | 6-"MIROR" | 8-"MAGMA"