A strange little side quest
Put FillIt next to the history of puzzles and a few unexpected connections appear. Alexey Pajitnov created Tetris in 1984 after drawing inspiration from pentomino puzzles, then simplified the idea around shapes made from four squares. That old idea kept changing rather than disappearing. The Oregon Trail eventually appeared across generations of computer hardware and sold tens of millions of copies, making it one of the most enduring educational games. The details change, but the appeal of learning a system and trying again is remarkably persistent.
