PAL vs NTSC: Why Some Atari 2600 Games Exist in Two Versions
Why Atari 2600 games came in NTSC and PAL versions, what changes (speed, colours, screen), and which version to play in your browser.
regional versions
Why Atari 2600 games came in NTSC and PAL versions, what changes (speed, colours, screen), and which version to play in your browser.