A strange little side quest
A quick detour while Spot the Differences 3D Toons waits for your next move: Alexey Pajitnov created Tetris in 1984 after drawing inspiration from pentomino puzzles, then simplified the idea around shapes made from four squares. That is only half the story. 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. Not bad for a few facts hiding behind a Play button.