Games similar to Arma 2: Army of the Czech Republic:

Call of Duty: Modern Warfare is a first-person shooter that serves as a reboot of the Modern Warfare sub-series. The game features a single-player campaign, cooperative Special Ops missions, and a multiplayer suite with cross-platform play. The campaign emphasizes tactical realism, with morally complex scenarios, civilian threat assessments, and night-vision operations. Multiplayer introduces a revised gunplay system with extensive weapon customization, a Realism mode that removes the HUD, a Ground War mode supporting over 100 players, and a 2v2 Gunfight mode. Post-launch, the game received the free-to-play battle royale mode Warzone. The traditional season pass was replaced with free content updates delivered through seasonal battle passes.

Black Ops is back! Featuring gritty, grounded, fluid Multiplayer combat, the biggest Zombies offering ever with three full undead adventures at launch, and Blackout, where the universe of Black Ops comes to life in one massive battle royale experience featuring the largest map in Call of Duty history, signature Black Ops combat, characters, locations and weapons from the entire Black Ops series.

Absolute Force Online is a first-person shooting game, which is the first in China to make use of the Unreal 3 Engine. Players can take on the roles of hardened mercenaries, either the fiendish Rotten Angels or the honorable Hands of Justice. They are able to use advanced weapons and military vehicles (aircraft and tanks) to fight battles in famous locations, mysterious islands, and modern cities from all around the world. There will also be campaign modes featured, where you can fight alongside your teammates against infected zombies and other dangerous enemies.

Insurgency: Sandstorm is a team-based, tactical FPS based on lethal close quarters combat and objective-oriented multiplayer gameplay. Experience the intensity of modern combat where skill is rewarded, and teamwork wins the fight.

Black Squad is Free to Play first-person-shooter military game, with Battleye support, dedicated servers, great shooting mechanics and amazing netcode. You can experience 10 different modes from classic to massive multi-play modes. And unlock new weapons and characters with currency given to the player after each match.

The EDF series moves away from its traditional series and into new territory with this new project. Developed by YUKE'S, with a theme song by Takashi Niigaki and creatures designed by Ryu Oyama for an EDF game that has never been seen before. Welcome to EARTH DEFENSE FORCE: IRON RAIN. Set on planet Earth devastated by war, this new adventure joins the EDF as they continue to battle to save the world.

Experience the world of Wolfenstein from a whole new perspective in Cyberpilot VR, a virtual reality gaming experience from MachineGames. Paris. 1980. You’re the best hacker in town. Your mission: Aid the French resistance by taking control of powerful Nazi war machines. Ram, gun down, and burn your way through the City of Love, leaving dead Nazis in your wake. Saddle up, Cyberpilot, you’re one of us now.

Breach & Clear brings deep tactical strategy simulation to PC, Mac and Linux! Build your Special Operations team, plan and execute advanced missions, and own every angle. Choose your real-world squad -- US Army Rangers, Germany's KSK, Canada’s JTF2, UK SAS, and more -- and take on a variety of foes with different skill-sets and abilities. Learn to approach, engage, and dominate your opponents through superior tactics and training.

Phantomers is a cancelled free multiplayer online shooter. Closed beta began in 2015, ultimately leading to its full cancellation.

Sky Gamblers: Storm Raiders 2 has players taking control of legendary World War II era planes to engage in thrilling dogfights over key WWII battles in places like Pearl Harbor and the Cliffs of Dover.