The player has fully upgraded two weapons

The player has successfully invented all possible ammo types

The player has restored the forests of Arcadia

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

Fully research the Houdini Splicer

The player has successfully invented at least one item

The player has defeated Peach Wilkins

The player has fully researched the Leadhead Splicer

The player has taken a Research Photo of the highest grade

Build 10 towers in less than 30 seconds upon entering a stage

The player has successfully hacked a safe

The player has successfully hacked a turret

The player has successfully hacked a security bot