The Nidhogg games are amazing fun, but if you don't need to plunk down the income to play them, Eggnog+ is a fantastic free-to-play substitute. The premise is simple, but with a bunch of players on the board, it turns into complicated to evade the traps designed by their movements. https://mnobookmarks.com/story19250529/play-online-games-for-pc-for-dummies