The player has purchased one slot in any Plasmid or Tonic track

The player has successfully hacked a safe

The player has successfully hacked a security camera

The player has successfully hacked a security bot

The player has successfully completed the Welcome To Rapture Level

Survive 15 consecutive waves with each of the 4 characters.

Survive 30 consecutive waves with at least one co-op player.

Set 5 enemies on fire and then kill them with explosives.

Survive 5 waves in each of the 4 Arenas.

Survive 15 consecutive waves using the analog combat controls.

Learn all there is to learn about Nima's past.

Make no mistakes when fleeing the T.rex at the docks.