Factorio is a game about automation. Build a factory to automate the production of products so you can build more automation. It is currently in early access, but has a strong modding community that makes the game not feel like it's early access.
Overwatch is a first-person shooter battle arena (MOBA) where teams of six (6) fight against each other to control and defend objectives. Map types include payload-style objectives where one must control and push a payload to a certain point on the map as well as control point (KOTH) style objectives where one team must control a certain area for a certain length of time.