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