You are about to play Batman - Return of the Joker (U) online for free. Nintendo Game Boy's Batman - Return of the Joker (U) is a fun adventure platform video game. Play the game without downloading a rom or emulator, only the Java plug-in is needed.

User Agreement

GameBoyOnline only supplies the Game Boy Games to play as
a PERSONAL BACKUP of legally owned Game.
GameBoyOnline in NO WAY links or makes it possible to illegally download a rom or acquire any copyrighted game(s).
GameBoyOnline cannot be held responsible if any of the information and/or files contained on this site are used in the pursuit of illegal activities, such as copyright infringement or piracy.
Keep the following in mind when playing a backup of one of your originally owned Game Boy Game(s):

• You are NOT ALLOWED to play or download any backups of copyrighted Games which you do not own, as this is not allowed by Copyright Laws.
• You are LEGALLY ALLOWED to play a backup of an Original Game as long as you are the owner of the Original Game.
• You MUST NOT PLAY any games when you don't legally own the Original Game anymore (examples: giving it away or selling it)

You are ONLY allowed to PLAY a Game on GameBoyOnline if you want to play a Game of which you are the legal owner. By Clicking the I AGREE button you agree with the above Notice!
If you do not agree with the above notice then please leave this website now!