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