If you have some time to kill over the weekend, for the next 24 hours you can pick up Bureau: XCOM Declassified for free.
While not the best-rated game in the world it has a 6 out of 10 rating at Steam, hey it's a free game. The year is 1962 and the Cold War has the nation gripped by fear. A top-secret government unit called The Bureau begins investigating a series of mysterious attacks by an enemy more powerful than communism.
Grab it here, at humble bundle.