Type falling words before they land

xletters

Type falling words before they land

A typing practice game for X similar to typespeed and tuxtype. Words chosen from the system's wordlist fall from the top of the screen and must be typed correctly to score. In a challenge stage, random sequences of characters appear instead of words. Head-to-head networked play is possible with xletters-duel.
Resolution page (screenshot from upstream page, GPLv2)

piper

GTK application to configure gaming devices

Piper is a graphical user interface to configure gaming devices. Configuration options include changing the resolution (DPI) of mice, adding and removing profiles, setting LED colors and changing button behaviors.
Popular crossword game, similar to Scrabble(R)

scribble

Popular crossword game, similar to Scrabble(R)

Command-line tool for querying quake (and other) servers

qstat

Command-line tool for querying quake (and other) servers

Qstat provides a simple interface for querying servers for a number of games, including but not limited to quake, quakeworld, quake2, quake3arena, unreal tournament or half-life.
tsumego (go problems) practice tool

uligo

tsumego (go problems) practice tool

To get stronger at the game of go, it is essential to develop one's reading ability. That is why professionals recommend study of life and death or tesuji (local offensive positions) problems. uliGo is a program that allows you to do that: the computer displays a problem, and asks for the answer. You enter the first move, the computer responds, and so on until you reach the final solution or enter a wrong move.
Naev - gameplay

naev

2D action/rpg space game

2D space trading and combat game, in a similar vein to Escape Velocity. Naev is played from a top-down perspective, featuring fast-paced combat, many ships, a large variety of equipment and a large galaxy to explore. The game is open-ended, letting you proceed at your own pace.