Here is the full list of all 19 Circuit Breakers achievements.
Play for 50 hours.
Complete Erika's challenge board.
Complete Charlie's challenge board.
Complete 8 rooms in Arcade mode with all cores on.
40 Rooms with Aeon Active
10 Rooms with Punishment and Fate.
20 Rooms with Fate
Complete Payne's challenge board.
Complete Tay's challenge board.
Complete Samson's challenge board.
Complete Shelby's challenge board.
Complete Aldo's challenge board.
Complete 50 Rooms with 4 players.
Die 1,000 times
Defeat 25 Bosses
Get a combo of 500
Clear 5,000 rooms.
Get 1,000,000 total energium.
Kill 50,000 Robots