/usr/bin/blackjack
/usr/bin/glchess
/usr/bin/glines
/usr/bin/gnect
/usr/bin/gnibbles
/usr/bin/gnobots2
/usr/bin/gnome-falling-blocks
/usr/bin/gnotravex
/usr/bin/gnotski
/usr/bin/gtali
/usr/bin/mahjongg
You may install this package on CentOS with
yum
install gnome-games-extra