U

1       ETBT-AA4Y       MASTER CODE--MUST BE ENTERED
2       AEBT-AAH2       Start with 1 player spaceship
3       BEBT-AAH2       Start with 9 player spaceships
NUMBERS OF SHIPS IN CODES 4 THRU 6 MAY VARY DUE TO COUNTER ROLLOVER
4       EYBT-AAH2       Start with about 25 player 
        spaceships
5       LEBT-AAH2       Start with about 50 player 
spaceships
6       XEBT-AAH2       Start with about 99 player 
spaceships
7       EJ6T-AA5A       Infinite player spaceships
8       SFLA-DETN + AABT-AAGG   Start on round 2
9       SFLA-DETN       Start on round 3
10      SFLA-DJTN       Start on round 4
11      SFLA-DNTN       Start on round 5
12      SFLA-DTTN       Start on round 6
13      SFLA-DYTN       Start on round 7
14      SLFA-D2TN       Start on round 8
15      SFLA-D6TN       Start on round 9
16      SFLA-DATN       Start on round 10
17      AVLA-CA2N + BJBT-AAGG   Start on round 11
18      AVLA-CA2N + BNBT-AAGG   Start on round 12
19      AVLA-CA2N + BTBT-AAGG   Start on round 13
20      AVLA-CA2N + BYBT-AAGG   Start on round 14
21      AVLA-CA2N + B2BT-AAGG   Start on round 15
22      AVLA-CA2N + B6BT-AAGG   Start on round 16
23      AE6T-AAHC + AE3A-AADA   Slower spaceship
24      AN6T-AAHC + AN3A-AADA   Faster spaceship
25      AY6T-AAHC + AY3A-AADA   Super fast spaceship
26      9J2A-AAFT       Clear round after 25% of field is cut 
        instead of 80%
27      8T2A-ACFT       Clear round after 50% of field is cut
28      VJ2A-AEFT       Clear round after 65% of field is cut
29      022A-AGFT       Clear round after 95% of field is cut
30      4T2A-AGFT       Clear round after 98% of field is cut
31      AJNT-CA2L       Start with lasers (use B button)