The best alternatives to Rock-Paper-Scissors-Lizard-Spock are TensorFire, Rock-Paper-Scissors, and Lizard. If these 3 options don't work for you, we've listed a few more alternatives below.
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Universal-2 by AssemblyAI— Speech-to-Text API for conversational data
Lizard is an online guessing and trick-winning card game for up to 6 players. Your goal is to pick a number and win exactly as many times as you said you would. Not more, not less. Use special cards and rules to ruin your opponents.
Play games directly in iMessage and make new friends to play with. Gamebytes brings a fresh collection of games to iMessage along with a dedicated chat app to be the home for all your chat games.
You probably know what Rock Paper Scissors (RoShamBo) is. In this game I made for fun one weekend you are randomly assigned to another player who is also using the app and compete against them one on one.