Classic games, real opponents, one link to send. No app to install, no cash involved — just you versus them.
Just want to play right now? Open any game above — no account needed for a quick match.
Create a match, manage friends, or jump into a game.
Ask your friend for their username (shown above on their own dashboard) and enter it here to send a friend request. Tap a friend's name to challenge them to a game or chat.
Pick a game, give the room a name your friend will recognize, and share the link.
Spotted a bug or have an idea for a new game or feature? Tell us here.
Take turns placing an S or an O anywhere. Make "S-O-S" in any direction to score — and play again! Most SOS wins. Blue lines = Player 1, red = Player 2.
Click between two dots to draw a line. Close the 4th side of a box to claim it — and go again! Most boxes wins.
Create a link and send it to a friend. As soon as they open it, the match starts.
Sim is a classic strategy game on RivalPit: connect dots with lines, but avoid forming a triangle in your own color. Play against the computer.
Think defensively -- Sim is a game you lose by making a mistake more often than one you win outright.
How do you actually lose a game of Sim?
You lose the moment any three dots end up fully connected by lines in your own color, forming a triangle -- even if you weren't trying to make one.
What's the best mindset for playing Sim well?
Play defensively -- Sim is a game you lose by making a mistake more often than one you win outright, so avoid forced triangles before chasing clever moves.
What kind of game is Sim?
Sim is a classic strategy game on RivalPit: connect dots with lines, but avoid forming a triangle in your own color. Play against the computer.