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