Here is the full list of all 10 Bliss achievements.
Complete the sand man challenge.
Complete the frozen man challenge.
Complete the demon challenge.
Complete the frog challenge.
Reach the end of the game.
Reach the end of the desert mountain.
Reach the end of the glacier.
Reach the end of the badlands.
Reach the end of the forest.
Reach the end of the meadow.