The following are known Action Replay Codes for The Lost World: Jurassic Park on Sony Playstation (PS1).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay, CodeBreaker & GameShark

Original Version
23 Lives
80015fe40000
80015fe60000

Special Edition
Infinite Lives
d0009e100003
80015b3e2400
d0009e100004
80015b562400
d0009e100005
80015b0e2400
d0009e100006
80015d5a2400
d0009e100007
80015b4e2400