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