Here's a great talk on a few strategies used to fake entropy on the NES, Kevin Zurawel "Game Development in Eight Bits" StrangeLoop 2021 [0] To spoil it: Tetri

Here's a great talk on a few strategies used to fake entropy on the NES, Kevin Zurawel "Game Development in Eight Bits" StrangeLoop 2021 [0] To spoil it: Tetris does a sort of binary fibonacci sequence with XORs and bitshifts, Final Fantasy used a static lookup table it iterates through, and Contra counted idle cycles between drawing frames. [0] https://www.youtube.com/watch?v=TPbroUDHG0s https://www.youtube.com/watch?v=TPbroUDHG0s