Return of the Tentacle - Prologue is an unofficial spin-off of, and spiritual successor to, the Day of the Tentacle series of adventure games. In it, you'll explore a cartoonish world using adventure game mechanics, walking around and solving puzzles. The game is extremely reminiscent of its inspiration, with children dealing with a quasi-eldritch and wacky threat to their and the world's well-being. The game is very well-made, though the amount of content isn't that high and new players may find it quite challenging.