Here is the full list of all 32 Soda Dungeon 2 achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Compete in 25 arena battles.
Slay 500 enemies.
Slay 1,000 enemies.
Slay 5,000 enemies.
Complete Dimension 1.
Complete Dimension 4.
Complete Dimension 6.
Complete Dimension 8.
Complete Dimension 10.
Find a rare item.
Complete 50% of the Bestiary.
Mark, Stun, and Back-Attack an enemy.
Turn an enemy into a gold ore.
Resist 100 Status Effects.
Burp 50 times in battle with a Soda Junkie.
Complete a Fetch Quest.
Complete 10 Quests.
Complete 30 Quests.
Fail a Quest.
Create, assign, and use a Soda Script in battle.
Customize the Tavern with a new decoration.
Craft 25 items.
Earn at least 250,000 gold from a Liquidate.
Reach Mastery Level 25 with a character.
Reach Mastery Level 50 with a character.
Defeat the Janitor.
Complete level 10,000.
Turn an enemy to stone then Pickaxe them.
Witness the destruction of a dimension.
Get ambushed.
Find a Healing Fairy in the dungeon.
Craft an item.