Question

how to get pyagame module it says module in unavailable

Answer 1

Pygame is unusable in OnlineGDB same thing with tkinter, to use the module you have to use a terminal to download the modules.

pip install pygame

Answer 2

Now pygame is supported.
Example: https://onlinegdb.com/XXFAAuTpVw
Use "Run with display screen" button to run pygame program.