Unlock Episode 2

Type in FCHTRMNS as a password.

Unlock Episode 3

Type in HSDSHSBS as a password.

Unlock Episode 4

Type in MXNMSNNG as a password.

Unlock Episode 5

Type in THXBXSCK as a password.

Unlock Episode 6

Type in NNTNDWNY as a password.

Unlock the Ending Sequence

Type in NFNTMMDD as a password.