Complete Act 1

Unlock every ctOS Tower

Take down Maurice

Never get noticed by the helicopter

Read Ray's mind

Mind-read the recently departed

Read Luigi's mind while he's singing

Read the mind of an eaten fish

Read the mind of a lonely cat

Read the minds of the ambulance personnel

Have enemies chasing other enemies chasing you

Complete Arcade mode without losing all lives, on Experienced difficulty

Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.