Tekken 6 can be bought below:
Xbox:
xbox.com/en-US/games/...
PSN:
store.playstation.com/en-us/produc...

Note that Tekken 6 on PlayStation 4/PlayStation 5 is based on the PlayStation Portable version.

The 6th mainline installment in the series, Tekken 6 introduces breakable floors/walls in stages alongside the Rage and Bound systems. Rage increasing a player's damage output upon reaching low health, with the Bound system increasing the combo potential of characters.

The updated re-release of the game, containing rollback online play, can be bought here:
store.steampowered.com/app/366240/G...

While PSN is a cross-buy/cross-save between the PS4 and PS Vita port, it is still currently delisted as of this post.

The ACA Neo Geo version of Garou: Mark of the Wolves can be bought on the following:
Xbox: xbox.com/en-US/games/...
PSN: store.playstation.com/en-us/produc...
eShop: nintendo.com/us/store/pro...

The Xbox 360 port can be bought here:
xbox.com/en-us/games/...

The 9th installment in the Fatal Fury series, MotW features an almost entirely new playable roster from before, with Rock Howard starring as the main protagonist. It removes the 2-plane system from previous games and introduces mechanics such as T.O.P. and Just Defend.

The Ultimate version of Dead or Alive can be bought here:
xbox.com/en-US/games/...

The 1st entry in the series, Dead or Alive features 8 playable characters in its original debut. The game utilizes the hold system and Danger Zones as new system mechanics at the time.

Along with the release of the demo, it was also announced that Elphelt Valentine was going to be a limited-time free download for the game as a launch bonus for the console release. Details for it can be read here:
web.archive.org/web/20141213...