Rock Paper Scissors
Rock paper scissors online against the computer: pick rock, paper or scissors and see who wins, with a score and best of 3, 5 or 7. Free, at home or in class.
You
Computer
Pick rock, paper or scissors to play.
Gone when you reload or leave the page.
0
Wins
0
Losses
0
Draws
How to Use It
- Pick Rock, Paper or Scissors. On a keyboard, press R, P or S.
- The computer picks its move at the same moment, then both hands show.
- Rock blunts scissors, scissors cut paper and paper wraps rock. The same move twice is a draw.
- Choose Best of 3, 5 or 7 for a match, or Keep playing for a running score.
- Press New match to take the score back to zero. It also clears when you reload or leave the page.
- Press Big screen for a projector: the hands, the result, the buttons and the score fill the screen.
Frequently Asked Questions
How do you play rock paper scissors?
Two players each pick rock, paper or scissors at the same time. Rock beats scissors, scissors beat paper and paper beats rock. If both pick the same, it’s a draw and you play again.
Can the computer see my move first?
No. The computer’s move is picked in your browser with a secure random number generator, without looking at yours, and each of its three moves has the same chance every round.
Is there a way to always win?
Not against a fair random pick: every move wins a third of the time, loses a third and draws a third. Against people it’s different, because people fall into habits, such as playing rock first or not repeating a move.
What does best of 3 mean?
The first to win 2 rounds wins the match. Best of 5 needs 3 wins and best of 7 needs 4. Draws don’t count, so a match can run longer than its number.
Can I use it in class?
Yes. Put it on the projector and let the class vote on each move together, or use it to settle who goes first. Count the wins, losses and draws over 30 rounds and talk about why each lands near a third.
Are my games saved?
No. The game runs in your browser and nothing about it is sent to us. The score is gone when you reload or leave the page.
Ideas from the Blog
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