Here is the full list of all 22 Bardbarian achievements. It takes around 10-12 hours to unlock all of the achievements on Windows.
Post a score in the Day 2 Insane Mode leaderboard. The most exclusive of all leaderboards.
Unlock the mythical 4th party slot.
Do all the things! 100% Completion.
Complete the "night" chapter.
Complete the entire campaign from start to finish without dying.
Fact: There are 1609 meters in a mile.
Complete the "evening" chapter.
Loot 100,000 gold from the corpses of your fallen enemies.
Go as fast as you possibly can. (Hint: Upgrade + Song)
Start a new game in Insane Mode.
Complete the "noon" chapter.
Waltz into Wave 10 and rescue him from that Fire Golem.
Something's cooking on the title screen.
Reach 3000m in Escape mode, and he's yours.
Send 2500 enemies to their grave.
Upgrade a unit to MAX level.
Appears randomly in Survival mode. May luck be with you.
Complete the "morning" chapter.
Don't get hit!
Last for 3 minutes in survival mode.
Play and submit your best time for Survival Mode.
You look lonely, have you considered a pet to keep you company?