There are loads of games beyond the c40 Atari made, inc those by authorised 3rd parties and later hombrew emulators. Atari & game developer Playon ? launched the Atari 2600+ in 2023, as a modern day recreation of the old console lol.
I must have around 40 odd games inc chess, backgammon, battleships, space invaders, asteroid & pack man.
2600+ official launch