Runtu is a Russian desktop Linux distribution based on Ubuntu's LTS (long-term support) releases. It features full support for Russian and a variety of extra applications, tools and media codecs.
Teeworlds is a free online multiplayer game, available for all major operating systems. Battle with up to 16 players in a variety of game modes, including Team Deathmatch and Capture The Flag. You can even design your own maps!