In the Humble Jumbo Bundle 2[www.humblebundle.com] you can pick up THE KING OF FIGHTERS XIII Steam Edition for the beat the average price. The bundle is available for the next 13 days.

Other games in the bundle are,

The Incredible Adventures of Van Helsing - Complete Pack
Deadlight
Galactic Civilizations II: Ultimate Edition

Terraria
Crusader Kings II +some DLC

Age of Empires Legacy Bundle

With the bundle you also get soundtracks for whichever games you get. More games will be added in the second week of the bundle.