here are predefined sets of configurations
Start new Collatz game with friend
Start new Collatz game with Robot

here the rules: Collatz game is a number game.
If you see even number, then you should divide it to 2 (ex. 24 -> 12)
If you see odd number, then you should multiply it by 3 and add 1 (ex. 23 -> 69 + 1 = 70)
If you make mistake you will loose
When current number become 1 - game finishes and you win

Here the form to create a game

Start number Play with robot Play with friend Play by yourself