Full list of all 84 A Robot Named Fight! achievements.
The base game contains 78 achievements, and there is 1 DLC pack containing 6 achievements.
Defeat Skin Deviler
Defeat Corrupted Miner
Possess 81 Nanobots
Have Explosive Bolts that Deal 8 or more Damage
Discover the Crystal Mines
Have Fire Bolts with an attack delay less than 0.2
Defeat all Factory bosses
Defeat Leviathan
Defeat Stalkus
Discover the Coolant Sewers
Fire a shot size of 4 or greater
Possess 99 Scrap
Possess 3 of Each Archaic Scrap
Discover Every Teleporter in a Run
Kill 20 Champions
Defeat all Cave bosses
Defeat the Megabeast in under 35 minutes
Defeat the Megabeast Core in under 50 minutes and collect 100% of the items in a single run
Complete the game with a collection rate less than 15%
Defeat the Megabeast six times
Defeat Blightbark
Defeat the Megabeast five times
Donate 729 gray scrap to shrines
Defeat the Megabeast Core
Defeat the Megabeast four times
Have a max speed of 17 or higher
Discover The Beast's Guts
Defeat the Megabeast thrice
Defeat Moleman Shaman
Donate 512 gray scrap to shrines
Defeat the Megabeast twice
Have max health of 20 or higher
Defeat Ooze Hart
Defeat the Megabeast once
Collect 100% of the items in a run
Donate 343 gray scrap to shrines
Defeat White Wyrm
Defeat Flesh Adder
Collect 4 orbs in a single run
Have 18 or more nanobots at once
Collect 4 energy weapons in a single run
Defeat Polyphemus
Have a shot speed of 22 or higher
Donate 216 gray scrap to shrines
Donate 125 gray scrap to shrines
Defeat Mouth Meat Senior
Defeat Wall Creep
Defeat Sluggard
Defeat all Surface City bosses
Discover The Buried City
Defeat Metal Patriarch
Discover The Factory
Defeat Cephalodiptera
Donate 27 gray scrap to shrines
Defeat Abomination
Defeat Mouth Meat
Die
Discover The Caves
Defeat Beak Lord
Complete Boss Rush
Complete Exterminator
Complete Mega Map
Defeat 14 Different Bosses
Kill 15k enemies
Discover Every Area