These are passwords for the easy difficulty setting with all five marines still alive.

Effect	Password
Level 10	BP50Q9J0F
Level 11	BP5JD9J0F
Level 12	BP60VRS0B
Level 13A	BP1JSRS0W
Level 13B	BP202RS0S
Level 13C	BP2JNRS0Q
Level 2	BP100280D
Level 3	BP1JL9J0C
Level 4	BP20Q9J08
Level 5	BP2J49J01
Level 6	BP30N9J0F
Level 7	BP3JJ9J0H
Level 8	BP40V9J0B
Level 9	BP4J49J02