| Unlockable: | How to Unlock: |
| Angry Plumber (10 pts) | Defeat 25 enemies with Drain Pipes. |
| Armed and Dangerous (10 pts) | Defeat 25 enemies with Krieger Guns . |
| Artefact Appreciation (10 pts) | Find the hidden Artefact in Chapter 5. |
| Boom-Boom (10 pts) | Defeat 25 enemies with Oni Clubs. |
| Chiropractor (10 pts) | Defeat 25 enemies with the Ape Spine. |
| Dear Diary (10 pts) | Find the hidden Artefact in Chapter 6. |
| Debt Collector (20 pts) | Find all the Artefacts. |
| Egg-splosive (10 pts) | Defeat 25 enemies with Frog Eggs. |
| Exterminator (100 pts) | Complete Chapter 6 in Single Player. |
| Eye on the Prize (10 pts) | Find the hidden Artefact in Chapter 1. |
| Finders Keepers (10 pts) | Find the hidden Artefact in Chapter 2. |
| Goal! (10 pts) | Kick 50 Bambini Heads. |
| Going Down (10 pts) | Defeat 50 enemies by throwing them off cliffs. |
| Heads you win... (10 pts) | Defeat 25 enemies with Bambini Heads. |
| Hiker (50 pts) | Complete Chapter 1 in Single Player. |
| I Feel Lucky (10 pts) | Defeat 50 enemies with the Samaritan. |
| I See You (10 pts) | Find the hidden Artefact in Chapter 4. |
| I sense... Co-op (50 pts) | Complete any Multiplayer Chapter as Abe on Xbox LIVE. |
| It takes two (100 pts) | Complete all Chapters in Multiplayer on Xbox LIVE. |
| Legionnaire (75 pts) | Complete Chapter 5 in Single Player. |
| Prickly Personality (10 pts) | Defeat 50 enemies by throwing them onto spikes. |
| Some like it hot (50 pts) | Complete any Multiplayer Chapter as Liz on Xbox LIVE. |
| Spelunker (75 pts) | Complete Chapter 4 in Single Player. |
| Tourist (75 pts) | Complete Chapter 3 in Single Player. |
| Vertigo (10 pts) | Fall off cliffs 20 times. |
| Watching the Missing (10 pts) | Find the hidden Artefact in Chapter 3. |
| Weatherman (75 pts) | Complete Chapter 2 in Single Player. |