Like all Humble Bundles before, simply by donating to the American Red Cross, you’ll be unable to unlock a slew of Arma goodness for next-to-nothing,
If you donate $1 or more, you’ll get Arma: Gold Edition, Arma 2: Arma Cold War Assault and Arma Tactics.
If you donate the average (currently $13.22) you’ll get all of the above, including Arma 2, Arma 2: Operation Arrowhead, Arma 2: British Armed Forces, Arma 2: Private Military Company, Arma 2: Army of the Czech Republic.
Lastly, if you donate $15 or more, you get all of the above, plus Arma 3 and Arma 3: Carts.
Head over to the Humble Bundle page and get your keys today!