Menace from the Deep achievements

Upgrade any building to maximum level in campagn mode (except for Propaganda Center)

Complete the story stage "The Last Hope"

Defeat the Ithaqua boss fight

Level up The Monolith to level 15

Complete the story stage "The Betrayal"

Unlock all starting decks in campaign mode

Defeat the Dagon boss fight

Complete the story stage "Tension rises"

Level up The Monolith to level 10

Unlock the Cultist in campaign mode

Game Over for losing all Sanity

Level up The Monolith to level 20