Adventures of Lolo is a puzzle video game developed and published by HAL Laboratory. It was released in 1989 for the Nintendo Entertainment System. The game features Lolo, who must rescue Princess Lala from the evil King Egger. The game has 50 rooms arranged in 10 floors of five. Within each room, Lolo must collect several hearts in order to open a treasure chest and collect the gem inside, which will open the exit to the next room or floor. The game is known for its puzzles and enemies with varying movement and attack patterns.