Here is the full list of all 45 Beyond Dimensions achievements.
Fire 20 fireballs in a single cast.
Find and open every type of secret chest.
Finish world 1.
Finish world 2.
Finish world 3.
Finish world 4.
Finish the game with the good ending.
Finish the game with the bad ending.
Buy 3 objects in a single shop.
Win a game without buying a single item.
Unlock every attack spell.
Unlock every support spell.
Unlock every defense spell.
Unlock every spell.
Unlock every character.
Finish the game in first person mode.
Pick up 10.000 energy crystals.
Deal 50 damage in a single punch.
Defeat the first world's mini-boss.
Defeat the second world's mini-boss.
Defeat the third world's mini-boss.
Lose.
Be on fire for 200 seconds.
Be poisoned for 200 seconds.
Be slowed down for 100 seconds.
Bleed for 100 seconds.
Send a projectile back.
Become tiny.
Become huge.
Ressurect.
Be cursed twice.
Be cursed three times.
Have a spell to its maximal level. (Without using the booster spell)
Have two spells to their maximal levels.
Have three spells to their maximal levels.
Open 10 chests in a single game.
Have at least 500 HP.
Have at least 500 MP.
Unlock half the achievements.
Unlock all the achievements.
Unlock all game modes.
Defeat the first world's boss.
Defeat the second world's boss.
Defeat the third world's boss.