Animation store
Here you can find complete mocap game animation packs for building your video game.
Unreal Marketplace
Click here for animations ready to be used in Unreal Engine 4
Unity Asset Store
Click here for animations ready to be used in Unity
If you use other game engines, you can shop either on Unity or Unreal store. All packs include source FBX files that can be imported to any engine or 3d software.