An incredibly instructional video on how not to approach a skeleton in The Elder Scrolls: Daggerfall.
Super Tux is the open source community’s Super Mario game. You play as a penguin bonking blocks and snow creatures using very familiar mechanics. This video demonstrates the Linux version of the game.
So I found this free game called Tower Crush. It’s kind of a simple build-a-tower-and-upgrade-your-weapons kind of game, but it’s also the kind of game you tend to want to keep playing. Give it a watch and let me know what you think.