Here is the full list of all 75 Bullet Heaven 2 achievements.
Get a star rank in all 50 standard levels, on any difficulty. (Difficulty: Whatever) (Cheats Allowed)
Get a star rank in all 50 standard levels, on Hard difficulty or higher. (Difficulty: Hard or Heavenly) (Cheats Allowed)
Get a star rank in all 50 standard levels, on Heavenly difficulty. (Difficulty: Heavenly) (Cheats Allowed)
Get a star rank in all 20 bonus levels, on any difficulty. (Difficulty: Whatever) (Cheats Allowed)
Get a star rank in all 20 bonus levels, on Hard difficulty or higher. (Difficulty: Hard or Heavenly) (Cheats Allowed)
Get a star rank in all 20 bonus levels, on Heavenly difficulty. (Difficulty: Heavenly) (Cheats Allowed)
Collect all 13 diamonds in any level in one run. (Difficulty: Whatever) (No Cheats!)
Use a bomb right after getting hit, and avoid the damage. Harder with less bombs and more health! (Difficulty: Whatever) (Cheats Allowed)
Die with over 999 bullets on screen. Your failure is forgiven this time. (Difficulty: Whatever) (Cheats Allowed)
Graze 100 bullets or more in a single level. Get into the habit of grazing for points! (Difficulty: Whatever) (Cheats Allowed)
Graze 1000 bullets or more in a single level. Should try this on a higher difficulty setting! (Difficulty: Whatever) (Cheats Allowed)
Bounce back 100 bullets or more with a single shield item. Fly into those enemy bullets! (Difficulty: Whatever) (Cheats Allowed)
Blow away 300 bullets or more with a single star item. Clear the screen when you need it most! (Difficulty: Whatever) (Cheats Allowed)
Destroy a big bomb and knock out at least 3 enemies with it. Keep a look out for bombs in enemy formations! (Difficulty: Whatever) (Cheats Allowed)
Destroy a steel or copper spike ball. Hopefully you'll learn your lesson and try not to do it again! (Difficulty: Whatever) (Cheats Allowed)
Take out 60 of the eyeball boss's small eyes, during a single battle with it. Poke 'em out! (Difficulty: Heavenly) (No Cheats!)
Unlock all characters, costumes, and weapons. Maybe even try some of them out! (Difficulty: Whatever) (Cheats Allowed)
Unlock all cheats and handicaps. Some of them are really expensive! (Difficulty: Whatever) (Cheats Allowed)
Beat any standard level without getting hit at all. Simply try not to get shot. (Difficulty: Hard or Heavenly) (No Cheats!)
Beat any boss without getting hit at all. The best way to do this is to not get hit. (Difficulty: Hard or Heavenly) (No Cheats!)
Beat any standard level with the Pacifist handicap turned on. You have to time-out every wave! (Difficulty: Hard or Heavenly) (No Cheats!)
Beat any boss with the Pacifist handicap turned on. The boss won't show you the same mercy! (Difficulty: Hard or Heavenly) (No Cheats!)
Beat any 5 levels with the Pacifist handicap turned on. Violence isn't always the answer! (Difficulty: Hard or Heavenly) (No Cheats!)
Score at least 5,000,000 points in every survival level. Go for the diamonds! (Difficulty: Whatever) (No Cheats!)
Defeat at least 100 foes in any survival level, on Heavenly difficulty. (Difficulty: Heavenly) (No Cheats!)
Score a mediocre 1,000,000 points or more in any level. (Difficulty: Whatever) (Cheats Allowed)
Score a decent 3,000,000 points or more in any level. (Difficulty: Whatever) (Cheats Allowed)
Score an impressive 5,000,000 points or more in any level. (Difficulty: Whatever) (Cheats Allowed)
Score an amazing 10,000,000 points or more in any level. (Difficulty: Whatever) (Cheats Allowed)
Beat level 1-3, including all bonus waves, in 2:00 or less. (Difficulty: Hard or Heavenly) (No Cheats!)
Beat level 4-2, including all bonus waves, in 3:00 or less. (Difficulty: Hard or Heavenly) (No Cheats!)
Beat level 5-2, including all bonus waves, in 2:30 or less. (Difficulty: Hard or Heavenly) (No Cheats!)
Beat level 6-3, including all bonus waves, in 2:30 or less. (Difficulty: Hard or Heavenly) (No Cheats!)
Beat level 9-4, including all bonus waves, in 3:00 or less. (Difficulty: Hard or Heavenly) (No Cheats!)
Beat level 10-1, including all bonus waves, in 2:30 or less. (Difficulty: Hard or Heavenly) (No Cheats!)
Get a "Perfect" in the 13th wave of level 1-4. (Difficulty: Heavenly) (No Cheats!)
Get a "Perfect" in the 13th wave of level 2-3. (Difficulty: Heavenly) (No Cheats!)
Get a \"Perfect\" in the 13th wave of level 3-4. (Difficulty: Heavenly) (No Cheats!)
Get a "Perfect" in the 13th wave of level 4-4. (Difficulty: Heavenly) (No Cheats!)
Get a "Perfect" in the 13th wave of level 5-1. (Difficulty: Heavenly) (No Cheats!)
Get a "Perfect" in the 13th wave of level 6-4. (Difficulty: Heavenly) (No Cheats!)
Get a "Perfect" in the 13th wave of level 7-1. (Difficulty: Heavenly) (No Cheats!)
Get a "Perfect" in the 13th wave of level 8-1. (Difficulty: Heavenly) (No Cheats!)
Get a "Perfect" in the 13th wave of level 9-4. (Difficulty: Heavenly) (No Cheats!)
Get a "Perfect" in the 13th wave of level 10-2. (Difficulty: Heavenly) (No Cheats!)
Pick up £7,000 in total with Matt. (Difficulty: Whatever) (Cheats Allowed)
Graze 2,000 enemy bullets in total with Natalie. (Difficulty: Whatever) (Cheats Allowed)
Defeat 1,337 enemies in total with Lance. (Difficulty: Whatever) (Cheats Allowed)
Collect 77 diamonds in total with Anna. (Difficulty: Whatever) (Cheats Allowed)
Get a triple-star rank 3 times with NoLegs. (Difficulty: Whatever) (Cheats Allowed)
Beat any 8 levels with Slime Bunny. (Difficulty: Hard or Heavenly) (Cheats Allowed)
Get a score of at least 6,666,666 points in any level with Dry NoLegs. (Difficulty: Hard or Heavenly) (Cheats Allowed)
Defeat any 3 bosses with Phyrnna. (Difficulty: Hard or Heavenly) (Cheats Allowed)
Defeat 10,000 foes in total. (Difficulty: Whatever) (Cheats Allowed)
Collect £100,000 from enemies in total. (Difficulty: Whatever) (Cheats Allowed)
Beat any boss with 2 or more players. Should be a breeze. (Difficulty: Hard or Heavenly) (No Cheats!)
Beat any 5 levels with 2 or more players. Friends are the best! (Difficulty: Whatever) (Cheats Allowed)
Squish 100 slimes on the starting screen. (Difficulty: Whatever) (Cheats Allowed)
Defeat all 10 world bosses on Hard difficulty, with at least a B rank for each. (Difficulty: Hard or Heavenly) (Cheats Allowed)
Defeat all 10 world bosses on Heavenly difficulty, with at least a B rank for each. (Difficulty: Heavenly) (Cheats Allowed)
Defeat all 9 bonus bosses on Hard difficulty, with at least a B rank for each. (Difficulty: Hard or Heavenly) (Cheats Allowed)
Defeat all 9 bonus bosses on Heavenly difficulty, with at least a B rank for each. (Difficulty: Heavenly) (Cheats Allowed)
Go mad with cheats and reduce your final score multiplier to zero. (Difficulty: Whatever) (Cheats Allowed)
Beat any level with the game sped up by 30%. Use handicaps! (Difficulty: Hard or Heavenly) (No Cheats!)
Beat any level with your attack reduced by 30%, and with bullet clearing disabled. Use handicaps! (Difficulty: Hard or Heavenly) (No Cheats!)
Tear down the bushy fortress and complete world 1. (Difficulty: Whatever) (Cheats Allowed)
Rescue the beached sea creature and complete world 2. (Difficulty: Whatever) (Cheats Allowed)
Vandalize an ancient machine and complete world 3. (Difficulty: Whatever) (Cheats Allowed)
Smash the warrior of ice and complete world 4. (Difficulty: Whatever) (Cheats Allowed)
Eradicate the queen of pests and complete world 5. (Difficulty: Whatever) (Cheats Allowed)
Burst the giant eyeball and complete world 6. (Difficulty: Whatever) (Cheats Allowed)
Nuke the iron behemoth and complete world 7. (Difficulty: Whatever) (Cheats Allowed)
Vanquish the beast of nightmares and complete world 8. (Difficulty: Whatever) (Cheats Allowed)
Shoot down the guardian of heaven and complete world 9. (Difficulty: Whatever) (Cheats Allowed)
Destroy the ultimate monstrosity and complete world 10. (Difficulty: Whatever) (Cheats Allowed)