: A customization feature where players equip "Boost" or "Assist" gems to enhance character attributes like attack or speed.

: Ryu , Ken, Guile , Abel , Cammy , Sagat , Dhalsim , Poison , Hugo , Ibuki, Rolento , Zangief , Rufus , Vega , Balrog , M. Bison , Juri , Akuma , and Chun-Li .

: Includes 12 additional characters (6 from each side), such as Blanka , Sakura , Cody, Guy, Dudley , and Elena for Street Fighter, and Lars , Alisa , Bryan , Jack-X , Christie, and Lei for Tekken. PC System Requirements

: To play the PC version today, users often download fan-made "Online Patches" or "Community Mod Patches" to bypass GFWL or unlock DLC content.

: A massive roster including icons like Ryu, Ken, and Chun-Li (Street Fighter) against Kazuya, Nina, and King (Tekken).

: Kazuya , Nina , King , Marduk, Bob , Julia , Hwoarang, Steve, Yoshimitsu , Raven , Kuma, Heihachi , Lili , Asuka, Law, Paul, Xiaoyu, Jin , and Ancient Ogre .

The base game and subsequent DLC packs expanded the roster to dozens of fighters:

: As of late 2021, Capcom temporarily disabled the purchase option on Steam while investigating GFWL installation issues; it remains unavailable for new direct purchase.