Full list of all 16 Anodyne achievements worth 1,000 gamerscore. It takes around 8-10 hours to unlock all of the achievements on Xbox One.
You found the broom!
You defeated the Temple Seer.
You defeated the Grotto Rogue.
You defeated the Cavern Wall
You activated the windmill!
You defeated the Hotel Manager.
You defeated the Apartment Watcher.
You defeated the Circus Servants.
You defeated Sage.
You defeated Briar!
You collected 36 cards!
You found all the broom upgrades!
You maxed out the health bar!
You finished the game with over 37 cards, all the health and broom upgrades!
You 100%'d and finished the game in under 3 hours!
You found all 48 Cards!