The gaming test suite is made up of all games that use ioquake3, which is a GPL version of the id Software Quake 3 (id Tech 3) software engine.
See how your system performs with this suite using the Phoronix Test Suite. It's as easy as running the phoronix-test-suite benchmark michael/ioquake3-games command..
michael/ioquake3-games-1.0.1 Sat, 27 Aug 2011 17:24:42 GMT
Test import using new JSON.