Worms Forts: Under Siege!
- Centurion Helm and flags
- Successfully complete all the tutorials with a gold medal to unlock the Centurion Helm and flags.
- Bonus maps
- Successfully complete the indicated mission with a gold medal to unlock the corresponding bonus map:
- Best Defense: Mission 17
- Check Mate: Mission 8
- Construction Junction: Mission 6
- Monkey Troop: Mission 5
- The Blue Dragon: Mission 13
- The Great Wall Brawl: Mission 11
- The Question Of Faith: Mission 19
- The Ship Of Fools: Mission 14
- Tower Of Power: Mission 16
- Under Construction: Mission 3