The player has fully upgraded one weapon

The player has successfully invented at least one item

The player has acquired at least one weapon upgrade

The player has fully researched the Leadhead Splicer

The player has successfully completed 50 hacks

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 turret

The player has performed at least one successful hack

The player has successfully completed the Welcome To Rapture Level

Complete the game on Veteran difficulty

Complete the game on Ultra-Violence! difficulty