Here is the full list of all 49 Robot Resistors achievements.
Unlock 12 characters
Complete the Graveyard
Complete the Crystal Caverns
Become a paragon of destruction
Take over 100000 damage
Collect 2000 Salvage
Destroy 100000 enemies
Unlock all Ultimate Weapons
Unlock Sk8erBot
Unlock Asimov
Unlock Lucky 1101
Unlock Chad
Unlock Heavy Metal
Unlock Flash Freeze Bombs
Unlock the Ghost Saw
Unlock the Drain Chain
Unlock Automageddon
Unlock Crankshaft
Unlock DDOS
Unlock Dinobot 3000
Unlock Ex-Terminator
Unlock Hunter.0
Unlock Malware
Unlock Non-Binary
Unlock Robo-Shop
Unlock Serrated Byte
Unlock the Shocking Pulse
Unlock the Plasma Auto-Shotgun
Complete The Servo Sea
Beat any stage on hard difficulty
Beat any stage on hopeless difficulty
Complete The Moon
Beat the game on hard difficulty
Beat the game on hopeless difficulty
Kill 25 enemies at once with an orbital laser beam
Pickup 100 robotic flying chicken platters
Trap 20 enemies at once in a gravity bomb
Max out shield upgrades and passives
Max out health upgrades and passives
Max out probability upgrades and passives
Last for over 30 minutes in endless mode on any difficulty
Listen to all stage music