Section 6

• uci2wb · Protocol adapter for UCI dialects to XBoard
• ufoai · UFO: Alien Invasion client
• ufoai-server · UFO: Alien Invasion dedicated server
• uhexen2
• uligo · tsumego (go problems) practice tool
• ultrastar-ng · The free music and rhythm game
• ultrastarng · The free Linux karaoke game
• unequal · puzzle game based on Futoshiki
• unicrud · Bounces a random Unicode character on the screen.
• uniencode · assorted text filters
• universeball · screen saver.
• unknown-horizons · real-time strategy/simulation game
• unknownpleasures · a waterfall graph of the signal from pulsar PSR B1919+21.
• untangle · puzzle game based on Planarity
• upside-down · assorted text filters
• uqm · Ur-Quan Masters
• uqm_russian · Ur-Quan Masters