These are the very early games that we see the guys play in the Monroeville arcade:
Qwak! (Atari, 1974)
Gangbusters (Midway, 1974)
Night Driver (Atari, 1976)
F1 (Atari, 1976)
Gunfight (Midway, 1975)
Starship 1 (Atari, 1976)
Here’s a video of Quack:
Here’s a video of Gangbusters:
Here’s a video of Night Driver:
Here’s a video of F1:
Lastly, here’s Starship 1: