- If you like Super Mario video games, you will be blown away by this game because it has incredible graphics in the purest Mario Bros. Style.
Starring Onion Boy, you must save the princess kidnapped in a castle.
Avoid obstacles, jump, run and fight against enemies to get closer and closer to your destination.
Finish by defeating the fierce final enemy and thus you can save the life of your precious princess.
Do you dare with the challenge that this game offers you? Will you be able to pass all the levels?.
Enjoy the game Super Mario Onion Boy, it's free, it's one of our Defend Castles games we've selected.