Top similar games like Counter-Strike: Condition Zero:

Play the world's number 1 online action game. Engage in an incredibly realistic brand of terrorist warfare in this wildly popular team-based game. Ally with teammates to complete strategic missions. Take out enemy sites. Rescue hostages. Your role affects your team's success. Your team's success affects your role.

Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source™ technology.

Battlefield: Bad Company 2™ brings the award-winning Battlefield gameplay to the forefront of PC gaming with best-in-class vehicular combat and unexpected "Battlefield moments." New vehicles like the ATV and a transport helicopter allow for all-new multiplayer tactics on the Battlefield. With the Frostbite-enabled Destruction 2.

The most-anticipated game of the year and the sequel to the best-selling first-person action game of all time, Modern Warfare 2 continues the gripping and heart-racing action as players face off against a new threat dedicated to bringing the world to the brink of collapse.

The new action-thriller from the award-winning team at Infinity Ward, the creators of the Call of Duty® series, delivers the most intense and cinematic action experience ever. Call of Duty 4: Modern Warfare arms gamers with an arsenal of advanced and powerful modern day firepower and transports them to the most treacherous hotspots...

Pushing the boundaries of what fans have come to expect from the record-setting entertainment franchise, Call of Duty®: Black Ops II propels players into a near future Cold War

Take to the streets for intense close quarters combat, where a team's survival depends upon securing crucial strongholds and destroying enemy supply in this multiplayer and cooperative Source Engine based experience.

Counter-Strike: Global Offensive (CS: GO) expands upon the team-based action gameplay that it pioneered when it was launched 19 years ago. CS: GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

One of the most popular online action games of all time, Team Fortress Classic features over nine character classes -- from Medic to Spy to Demolition Man -- enlisted in a unique style of online team warfare. Each character class possesses unique weapons, items, and abilities, as teams compete online in a variety of game play modes.

You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.

Tom Clancy's Rainbow Six Siege is the latest installment of the acclaimed first-person shooter franchise developed by the renowned Ubisoft Montreal studio.

Tom Clancy's Rainbow Six® Vegas 2 - the sequel to the award-winning next-generation first-person shooter - returns to Sin City. Tom Clancy's Rainbow Six Vegas 2 is your last chance to rescue America's sexiest city from an escalating terrorist siege that will force you into heart-pounding action from beginning to end.

Fast multiplayer action set in the Half-Life 2 universe! HL2's physics adds a new dimension to deathmatch play. Play straight deathmatch or try Combine vs. Resistance teamplay. Toss a toilet at your friend today!

Valve's WWII Multiplayer Classic - Now available for Mac.

Now includes the free “Titan Pack” expansion! The “Titan Pack” gives players a substantial amount of enhanced features and new content, including many original environments, new gametypes, the namesake Titan mutator, powerful deployables and weapons, new characters, and the Stealthbender vehicle.

Call of Duty® 2 redefines the cinematic intensity and chaos of battle as seen through the eyes of ordinary soldiers fighting together in epic WWII conflicts. The sequel to 2003's Call of Duty, winner of over 80 Game of the Year awards, Call of Duty 2 offers more immense, more intense, more realistic battles than ever before, thanks to...

ENEMY FRONT is the first truly modern WW2 FPS, featuring stunning visuals, open-ended levels and a richly interactive combat experience that breaks out of the standard model of highly linear scripted FPS experiences, giving the player full freedom to own their playing style.

This is a new war. There is a new warrior. He is Tier 1.

Battalion recaptures the core of classic competitive shooters & refines the ‘classic’ FPS feel for the next generation. Focusing on 5v5 infantry combat, where precise flick shots with your Kar98, covering fire with your Thompson and fluid movement are key to clutching every round for your team.

Enlist in an intense brand of Axis vs. Allied teamplay set in the WWII European Theatre of Operations. Players assume the role of light/assault/heavy infantry, sniper or machine-gunner class, each with a unique arsenal of historical weaponry at their disposal. Missions are based on key historical operations.

A tropical paradise seethes with hidden evil in Far Cry®, a cunningly detailed action shooter that pushes the boundaries of combat to shocking new levels. Freelance mariner Jack Carver is cursing the day he ever came to this island.

Welcome to the Arena, where high-ranking warriors are transformed into spineless mush. Abandoning every ounce of common sense and any trace of doubt, you lunge onto a stage of harrowing landscapes and veiled abysses.

Sniper: Ghost Warrior 2 takes the bulls-eye precision of its predecessor to new and exciting heights!