Here is the full list of all 19 TEMPLE of RUBBO achievements.
Eat a banana in the Dream Glade.
Beat the game with all tombs turned on.
Beat the game as a human.
Beat the game without buying anything.
Find all 120 items.
Free the 5th playable character.
Unlock the magic book.
Beat all 8 bosses in a single run.
Reach the sewers.
Reach the dungeon.
Reach the inferno.
Free the ancient wizard.
Unlock all songs in the jukebox.
Beat the Heart tomb.
Beat the game on your own.
Beat the Dark tomb.
Beat the Coin tomb.
Get cursed.
Lock an item at the blacksmith.