Comment by egypturnash

Gridrunner: Grid cells should be square. It's the law. Verdict: Square pixels.

Jeff Minter has done a few remakes of this game over the years. One of the more recent ones (1) includes direct ports of the Vic20 and C64 versions as an option. They are very emphatically not using square pixels.

1: Minotaur Arcade vol 1, https://store.steampowered.com/app/906110/Minotaur_Arcade_Vo... - sadly there’s no photos of the retro modes in the Steam page.