https://store.bistudio.com/products/arma15-bundleGames included:
Arma: Cold War Assault
Arma: Gold Edition
Arma 2
Arma 2: Operation Arrowhead
Arma 2: British Armed Forces
Arma 2: Private Military Company
Arma 2: Army of the Czech Republic
Arma 3
Arma 3 Karts
Arma 3 Helicopters
Arma 3 Marksmen
Bonus content:
Artworks
Box arts
Icons
Wallpapers
Soundtracks
Maps
Digital Tactical Guide
Available until 23 June
If you don't have ARMA, that's a pretty great deal.