A strange little side quest
The next time Plant vs Zombies War asks for one more try, remember that game ideas rarely appear from nowhere. Chess changed dramatically in Europe during the 15th and 16th centuries when the queen became the board's most powerful piece. And the history keeps stacking up: Spacewar! appeared on MIT's PDP-1 in 1962 and became one of the earliest influential computer games shared among programmers. The details change, but the appeal of learning a system and trying again is remarkably persistent.