For the sadistic paleontologist, here are passwords to start each level as Dr. Grant with no weapons!

Level Password

1 Easy 00000011
Normal 00000022
Hard 00000033

2 Easy 20000013
Normal 20000024
Hard 20000035

3 Easy 40000015
Normal 40000026
Hard 40000037

4 Easy 60000017
Normal 60000028
Hard 60000039

5 Easy 80000019
Normal 8000002A
Hard 8000003B

6 Easy A000001B
Normal A000002C
Hard A000003D

7 Easy C000001D
Normal C000002E
Hard C000003F