PC Halo: Online

Halo: Online was basically a free-to-play multiplayer game that was only available for testing in Russia. It was kinda like Halo 3 + Halo 4 + Halo: Reach. It ended up getting canceled because the developers said that Microsoft had "failed to [make] decisions on the further of the project." and that "the current version of Halo: Online would not be released.". Of course the game is still playable through a mod called ElDewrito and is constantly being updated. So if you like Halo why not get a newer version for free? \_()_/