The player has fully upgraded two weapons

The player has broken Fontaine's mind control

The player has fully researched the Leadhead Splicer

The player has defeated Andrew Ryan

The player has taken a picture of Sander Cohen's corpse

The player has purchased every slot in one of the Plasmid or Tonic tracks

Kill three Enemies with the Riot Shield in the Campaign or in Co-op.

In 'Dark Water' advance 90 meters towards the front of the ship without touching the deck.

Drive five vehicle types in 'Violence and Timing'.

While affected by one Flashbang, kill two enemies in the Campaign or in Co-op.

Shoot three enemies while underwater in 'Wetwork'.

The player has restored the forests of Arcadia

The player has successfully invented at least one item