About This Game Experience true combat gameplay in a massive military sandbox. Api Rbi Software Download Free. Deploying a wide variety of single- and multiplayer content, over 20 vehicles and 40 weapons, and limitless opportunities for content creation, this is the PC’s premier military game. Authentic, diverse, open - Arma 3 sends you to war. Key Features in Arma 3 • Altis & Stratis Defeat your enemy on a richly detailed, open-world battlefield – stretching over 290 km² of Mediterranean island terrain. From expansive cities to rolling hills, whether steamrolling your tank across the dusty plains, flying a transport helicopter over the dense forests, or waging asymmetric warfare from the rocky hills, the islands of Altis and Stratis are dynamic worlds, which lend themselves to the most varied engagements in gaming.