Can we use raspberry pi, astro pi, sense hat and a gamepad to make a complete game set?

Answer 1

Yes you can make that
https://www.raspberrypi.org/forums/viewtopic.php?t=195256

Answer 2

No use of a gamepad or Astro pi?

Answer 3

Go through this links have some info how to make
https://www.raspberrypi.org/forums/viewtopic.php?t=26178
https://lifehacker.com/how-to-turn-your-raspberry-pi-into-a-retro-game-console-498561192
https://in.pcmag.com/microsoft-xbox-one-1/124143/feature/how-to-build-a-raspberry-pi-powered-retro-video-game-console