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.
Complete dungeon level 1000.
Complete 100% of the bestiary.
Win a battle by only defending.
Complete 50 levels with only one Soda Junkie.
Complete dungeon level 750.
Find a legendary item.
Steal essence from an enemy.
Reflect 100 damage from a single attack.
Complete dungeon level 500.
Purchase all basic sodas.
Inflict burn, sleep, poison, and confusion on one enemy.
Complete dungeon level 250.
Have one Knight defend for another Knight.
Complete 100 levels in one trip.
Find a rare item.
Complete dungeon level 100.
Complete 50% of the bestiary.
Sell 100 items.
Slay 500 enemies.
Slay 10 bosses.
Enter a battle in the Arena.
Discover and explore an alternate path in the dungeon.
Complete your first dungeon trip.