MJ Playground Online
Play a friend
Choose a game, create a private room and share the invite. No account is required; an MJ Profile only adds saved competitive history.
Guest-first. Your friend opens the public link, enters a name and joins. No Lovable account, email or MJ Profile is required.
Checking for saved matches…
Private rooms
Choose a game
Tic-Tac-ToeFast tactical matches with forks, traps and series play.
Create or join a room →Connect 4Drop discs live, build threats and connect four before your friend.
Create or join a room →ReversiTrap and flip lines of discs, with forced passes handled by the server.
Create or join a room →GomokuBuild five in a row on a 9 by 9 board before your friend can block it.
Create or join a room →CheckersCompulsory captures, multi-jumps and kings in a live private match.
Create or join a room →HexBuild an unbroken connection across your two sides before your friend.
Create or join a room →Dots & BoxesDraw lines, close boxes and keep the turn when you score.
Create or join a room →MancalaSow stones, capture across the board and chain extra turns.
Create or join a room →BattleshipsHunt hidden auto-placed fleets without revealing private ship positions.
Create or join a room →