Get it while the getting is good.
Injustice for free

If you would like to own a copy of Injustice: Gods Among Us Ultimate Edition for the low, low price of FREE, you are in luck. For a limited time, until June 25, you can add the game to your account on either the PC, PlayStation 4, or Xbox One and keep it forever.

We all love free games, right? Of course we do! This one just happens to be a fighting game set in the DC Comics universe. It was developed by NetherRealm Studios and features fighters such as Batman, The Joker, The Flash, Wonder Woman, and a lot more.

You can play either through the single player campaign or engage in multiplayer, including online fights. There are over 30 additional skins, six new playable characters, and 60 new S.T.A.R. Labs missions included in this Ultimate Edition on top of all of the content in the original game release.

Here are the links for easy "purchase" and download for each platform. Remember that once you add it to your account, it's yours to keep forever. Just do so before June 25.