While you’re waiting for Koei Tecmo’s Attack on Titan game to come out you might want to check out this fan game.
At the moment it’s only a tutorial and training mode that introduces basic aerial movement and how to combine that with slaying a titan. But it’s a good foundation for a bigger game to be built upon.
The idea that the creator, Guedin, has for this is to create a multiplayer experience so that you and friends can work cooperatively while killing titans. That’s still a way off, though.
It’s worth noting that this isn’t the first Attack on Titan fan game and will likely not be the last. One that’s been in development for a few years now is Feng Lee’s tribute game to the anime series – Siliconera covered it before.