- supertransball2
- 
Thrust type of game
- supertux
- 
a classic 2D jump 'n run sidescroller game
- swirl
- 
draws swirly color-cycling patterns
- t3d
- 
clock using flying balls to display the time
- tama
- 
The Net Tamagotchi client
- tamad
- 
The Net Tamagotchi server
- tangram
- 
watch the computer solve tangram puzzles.
- tdfsb
- 
A 3D filesystem browser.
- tecnoballz
- 
Un jeu de casse-briques.
- tegclient
- 
Tenes Empanadas Graciela client
- tegrobot
- 
Tenes Empanadas Graciela robot
- tegserver
- 
Tenes Empanadas Graciela server
- tenmado
- 
hard-core shoot 'em up game in blue-or-red world
- tents
- 
puzzle game
- tetrinet-client
- 
textmode client program for tetrinet
- tetrinet-server
- 
server program for tetrinet
- tetris-bsd
- 
tetris
- texmapper
- 
Texture Auto Mapper
- thornbird
- 
Bird in a Thornbush fractal.
- thrust
- 
a port of the C64 classic
- timetunnel
- 
Plasma tunnels fade in and out
- tint
- 
clone of the original tint
- tinymux
- 
The TinyMUX mush server
- tkXBlast
- 
tcl/tk based setup tool for XBlast
- tome
- 
is a graphical dungeon adventure game in the vein of rogue
- toppler
- 
clone of the old "Nebulous" game
- torcs
- 
3D racing cars simulator game using OpenGL
- trackballs
- 
/trackballs/
- trackgen
- 
Terrain generator for tracks
- trek
- 
trek
- triangle
- 
random mountains using iterative subdivision of triangles.
- trigger
- 
3D rally racing car game
- trophy
- 
trophy
- trr_format
- 
a text formatter for TRR19
- trr_update
- 
update the high score file for TRR19
- truchet
- 
draws curved or angular Truchet patterns
- tt++
- 
classic text-based MUD client
- tuxeyes
- 
A fancy xeyes
- tuxkart
- 
3D GoKart racing game
- tuxmath
- 
a math game for kids with Tux
- tuxpuck
- 
"Shufflepuck Cafe" Clone
- twang
- 
pluck pieces of the screen
- twiddle
- 
tile manipulation puzzle game
- typespeed
- 
Test your typing speed, and get your fingers' CPS
- uligo
- 
tsumego (go problems) practice tool
- untangle
- 
puzzle game based on Planarity
- uqm
- 
Ur-Quan Masters
- vectoroids
- 
A vector-based asteroid-shooting game written in libSDL.
- vegastrike
- 
Trade, Fight and Explore the Universe
- vermiculate
- 
to move in a worm-like manner.