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