Answers for "install pygame module"

install pygame

python3 -m pip install pygame <<<(mac)>>>
or
python -m pip install pygame <<<(windows)>>>
or
sudo apt install python3-pygame <<<(ubuntu)>>>

installing pygame

try: 
pip install pygame

if doesn't work ;)
try:
pip3 install pygame

Check more about pygame in the link below.

pygame download

py -m pygame.examples.aliens