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