Collect 25 attachments on a single character.

Kill 50 enemies with explosive barrels or pods.

Play 1 multiplayer match as Jason.

Play 1 multiplayer match as a counselor.

Change your hat and outfit.

Finish the "Giants in the Earth" Campaign.

Get grappled five times in the same mission.

Complete the album collection in a single save slot

Acquire the Unmaykr

Fully upgrade Health, Armor, or Ammo in a single save slot

Best the Gladiator in the coliseum

Spend 8 Sentinel Batteries in the Fortress of Doom in a single save slot

Pick up 20 Extra Lives Total in a single save slot