(1989, PC, others)
Warlords pit four players against each other, all fighting to destroy the others’ castles with projectiles while defending their own. When it released, the game was praised for its evolution of Pong’s gameplay — due to its projectiles being similar to the Pong ball — within an addictive multiplayer game.
After two years of school in England, our six-year-old was so far ahead of his American peers that he had to be bumped up a year, where he was also ahead. This was partly because American children start regular school at five, a year later than most British children; but it was also for more substantive reasons.