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