Here is the full list of all 55 Orbital Bullet – The 360° Rogue-lite achievements.
Kill 100 elite enemies.
Beat "The Gunner" without taking a single hit!
Complete the game at Overcharge Level 1!
Beat "The Abandoned Commander"!
Overcharge 5 skills in a single run.
Beat "The Butcher" without taking a single hit!
Complete the game with the Engineer class selected.
Beat "The Mastermind"!
Find the secret room that gives you the power to wield overcharged weapons.
Complete 5 successful hacks.
Reach the Scrapyard for the first time.
Reach the Dread Corp Space Station for the first time.
Beat "The Inquisitor"!
Reach the Harvest Fields for the first time.
Beat "The Butcher"!
Kill 100 enemies with passive damage (e.g. turrets).
Complete a Dimensional Rift with a three star rating.
Unlock the Eternity Tower through the console.
Use Stomp to force a flying enemy into a trap to kill it!
Find the secret room that gives you the power to wield eternity weapons.
Change your outfit.
Beat "The Overseer"!
Reach the Water Base for the first time.
Reach the Meat Factory for the first time.
Beat "The Gunner"!
Reach the Jungle for the first time.
Complete a Dimensional Rift.
Open a Time Chest.
Level up your Skill Tree for the first time.
Beat "The Overseer" without taking a single hit!
Beat "The Inquisitor" without taking a single hit!
Beat "The Abandoned Commander" without taking a single hit!
Beat "TheMastermind" without taking a single hit!
Unlock 10 weapons at the Weapon Rack.
Kill 1000 enemies by jumping on their heads!
Max out every skill in the Skill Tree.
Clear the Eternity Stage Mode(Easy).
Clear the Eternity Stage Mode(Hard).
Clear a run using no other weapon than the pistol!
Upgrade all the classes to their maximum.
Make a long zip line ride!
Kill 100 Crawler with the "Flamethrower"
Get the Jackpot at the Slot Machine!
Unlock a gold weapon.
Unlock and max out all the permanent buffs at the Weapon Rack.
Unlock all achievements!
Reach stage 150 in the Eternity Endless Mode with the Mercenary class selected.
Reach stage 150 in the Eternity Endless Mode with the Marauder class selected.
Reach stage 150 in the Eternity Endless Mode with the Engineer class selected.
Reach stage 150 in the Eternity Endless Mode with Hellion class selected.
Complete the game with the Mercenary class selected.
Complete the game with the Marauder class selected.
Complete the game with the Hellion class selected.
Complete the game at Overcharge Level 5!
Complete the game at Overcharge Level 10!