Multiplication Puzzle
GNOME Breakout
Mastermind
GNOME Video Arcade
GNU Backgammon
Gnubik
GnuGo
Gomoku
Gravitation
Greed
Gridlock
GShisen
Tangrams
GtkAtlantic
Gtkboard Board Games
Gweled
Hatari
Hatari UI
Hedgewars
Hex-a-hop
Hexalate
higan
HyperRogue
IceBreaker
INSTEAD