Kraken Academy is 70% off in the Steam Spring Sale, from now until March 20.
https://store.steampowered.com/app/1158220/Kraken_Academy/
You can also pick up the game's soundtrack at 75% off, or grab the game and soundtrack together in the End of the World Edition!
https://store.steampowered.com/app/1649100/Kraken_Academy_Soundtrack/
https://store.steampowered.com/bundle/22344/Kraken_Academy_End_Of_The_World_Edition/