Here is the full list of all 24 Soda Dungeon achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Hope you're hungry.
Inflict burn, sleep, poison, and confusion on one enemy.
Reflect 100 damage from a single attack.
Win a battle by only defending.
Steal essence from an enemy.
Find a legendary item.
Complete dungeon level 1000.
Complete 100% of the bestiary.
Complete dungeon level 750.
Complete dungeon level 500.
Complete 50 levels with only one Soda Junkie.
Complete dungeon level 250.
Purchase all basic sodas.
Have one Knight defend for another Knight.
Find a rare item.
Complete 100 levels in one trip.
Complete dungeon level 100.
Complete 50% of the bestiary.
Sell 100 items.
Slay 500 enemies.
Enter a battle in the Arena.
Slay 10 bosses.
Discover and explore an alternate path in the dungeon.
Complete your first dungeon trip.