Games Like Zero Hour

Ready or Not is an intense, tactical, first-person shooter that depicts a modern-day world in which SWAT police units are called to defuse hostile and confronting situations.

Why similar: Tactical 28.9%, FPS 17%, Realistic 14.8%, Shooter 11.8%, Co-op 9.5%

Why You'll Like It: It delivers the closest match to Zero Hour's grounded CQB, slow room-clearing, and co-op/SWAT-style tactical decision-making.

From one of the developers behind the original Rainbow Six® and Ghost Recon® games, comes a thinking-man's first-person shooter featuring in-depth character and weapon customization. Take your time. Think ahead. Get the job done.

Why similar: Tactical 25.4%, Military 16.6%, Realistic 13.4%, FPS 12.9%, Shooter 8.4%

Why You'll Like It: Its realism-first gun handling, lean-based movement, and communication-heavy small-unit play closely mirror Zero Hour's methodical pacing.

Insurgency: Sandstorm is a hardcore tactical FPS built on lethal close-quarters combat and ruthless intensity. Every bullet count, every step matters, and teamwork is your only path to survival in the brutality of modern warfare.

Why similar: FPS 18.6%, Tactical 16.7%, Military 15.6%, Realistic 12.4%, Shooter 12.1%

Why You'll Like It: It shares the lethal gunfights, realistic audio, and teamwork-driven objective modes that make Zero Hour tense and punishing.

Six Days in Fallujah is an intensely realistic first-person tactical shooter based on true stories from one of this century’s toughest urban battles.

Why similar: Tactical 16%, Military 13.3%, FPS 11.1%, Realistic 9.1%, Team-Based 8.3%

Why You'll Like It: This co-op tactical FPS focuses on deliberate building-to-building clearing and high-stakes modern combat in a similarly grounded style.

Black One Blood Brothers is a tactical military shooter game where strategy and coordination are key. Command a squad of top operators, with unique skills, through high-risk missions around the globe. Customize your crew, plan your missions, and adjust on the fly for a vast replayability.

Why similar: Tactical 21.1%, Military 17.9%, FPS 14.1%, Shooter 10.3%, Realistic 9.5%

Why You'll Like It: Its emphasis on planning, commanding, and executing realistic special-operations assaults makes it a strong fit if you like Zero Hour's mil-sim side.

Squad is a tactical FPS that provides authentic combat experiences through teamwork, communication, and realistic combat. It bridges the gap between arcade shooter and military realism with 100-player battles, combined-arms warfare, and base building.

Why similar: Military 16.1%, Tactical 14%, FPS 11.6%, Realistic 9.8%, Team-Based 8.6%

Why You'll Like It: While larger in scale, it offers the same dependence on communication, realism, and disciplined movement under deadly gunplay.

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.

Why similar: Tactical 28.2%, FPS 17.7%, Co-op 11.1%, Shooter 8.5%, Online Co-Op 7.6%

Why You'll Like It: Despite its age, it's still one of the best squad-based CQB shooters on Steam, with urban breaching and tactical team play that feels like an older-school Zero Hour.

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.

Why similar: FPS 34.4%, Tactical 14.5%, Realistic 9.4%, Military 8.4%, Shooter 7.6%

Why You'll Like It: The original nails fast but unforgiving tactical firefights and low-TTK infantry combat without losing the grounded feel.

Enter a high-stakes PvE-first open-world tactical shooter set on a quarantined Southeast Asian island torn apart by faction warfare. Deploy as an elite operator, fight solo or with your squad to carry out missions, earn reputation, and explore the truth behind the Event igniting the conflict.

Why similar: Tactical 19.9%, Military 14.9%, FPS 14.5%, Realistic 11.4%, Shooter 10.6%

Why You'll Like It: Its realistic gunplay, slow tactical movement, and high-risk modern-combat encounters appeal if you want a broader but still serious alternative.

The ultimate spy-vs-guards simulator. Carefully sneak your way to the objective as Intruders or use the wide variety of tactical gadgets to trap your opponents as Guards. Intruder allows for stealth, teamwork, and environmental interactions never before seen in a multiplayer game.

Why similar: Military 16.3%, Tactical 15.4%, FPS 15.1%, Team-Based 11.4%, Shooter 10.8%

Why You'll Like It: It mixes close-quarters tactical team play, gadgets, stealth, and objective-based assaults in a way that scratches a similar Rainbow Six-style itch.

Engage in massive combined arms battles, create and curate combat missions in real time, and shape your experience with endless community mods. Deploy into the Cold War and experience the most authentic and immersive military sandbox ever created.

Why similar: Military 20%, Tactical 14.1%, FPS 13.7%, Shooter 12.7%, Realistic 12%

Why You'll Like It: It pushes further into simulation, but the realistic ballistics, military teamwork, and cautious engagements line up well with Zero Hour's grounded tone.

Thunder Tier One is a realistic top-down shooter where you join an elite special operations team tasked with stopping a dangerous terrorist organization wreaking havoc across the fictional Eastern European country of Salobia.

Why similar: Tactical 17.8%, Military 13.4%, Online Co-Op 11.2%, Shooter 9.9%, Realistic 9.4%

Why You'll Like It: Although top-down, it captures the same careful planning, breach execution, and co-op special-operations feel.

Operation: Harsh Doorstop is the ultimate, free to play, tactical shooter sandbox. Play singleplayer, multiplayer, or co-op modes and explore thousands of community-created maps, weapons, and vehicles via the Steam Workshop. Created by ex-developers of Squad, Red Orchestra, and Insurgency.

Why similar: Military 19.9%, Tactical 18.4%, FPS 16.1%, Realistic 13%, Shooter 11%

Why You'll Like It: This free tactical shooter emphasizes realistic infantry combat, teamwork, and mod-friendly military scenarios similar to Zero Hour's mil-sim side.

SCP: 5K is a co-op or singleplayer tactical horror FPS project that puts players in the midst of a conspiracy where the SCP Foundation has turned on humanity. Enjoy Early Access as we continue to work towards a completed full release of the project!

Why similar: Tactical 17.8%, Military 13.6%, Co-op 12.6%, FPS 12.5%, Shooter 10.6%

Why You'll Like It: It blends tactical room clearing and squad coordination with horror elements, making it feel like a darker sci-fi cousin to Zero Hour.

Play in VR or with traditional FPS controls as you breach and clear your way through 23 handcrafted levels. Fast and Low is the only tactical shooter where a VR player and a keyboard player can team up side-by-side, locally or online, in intense co-op missions.

Why similar: Tactical 30%, FPS 17.2%, Online Co-Op 17%, Shooter 11.3%, Co-op 8.1%

Why You'll Like It: This co-op tactical shooter is lighter in presentation, but its room-clearing, hostage-rescue, and teamwork focus are very Zero Hour-adjacent.

IRR is a tactical PvE Co-Op extract shooter set in a de-stabilized and immersive modern-day Vietnam. As a PMC for a mysterious organization, deal with 3 factions that stand to gain from the chaos. Engage in ruthless combat, plan your deployment, and explore the world as your journey unfolds.

Why similar: Tactical 16.7%, FPS 13%, Military 12.7%, Realistic 10.8%, Shooter 9.6%

Why You'll Like It: Its PvE-first tactical gunfights and realistic modern-military atmosphere make it a good pick if you want slower, squad-based operations.

Experience true combat gameplay in a massive military sandbox. Deploy with a wide variety of single- and multiplayer content, a massive arsenal of modern weapons and vehicles, and limitless opportunities for content creation. Authentic, diverse, open - Arma 3 sends you to war.

Why similar: Military 17.4%, Tactical 13.5%, Shooter 10.9%, FPS 9.5%, Realistic 9.2%

Why You'll Like It: It is less CQB-focused, but few games match its depth of realistic military sandbox tactics and co-op mission play.

Command military Special Ops Teams in gripping tactical combat against a Middle East-based terrorist network. Sequel to RockPaperShotgun's "Best Tactics Game of 2014".

Why similar: Tactical 38%, Military 26.5%, Co-op 14.7%, Multiplayer 10.2%, Strategy 4.7%

Why You'll Like It: Even from a top-down view, its emphasis on planning entries, angles, breaching, and tight indoor fights strongly echoes Zero Hour's core appeal.

World War 3 is a free-to-play tactical online multiplayer FPS where the world is your battleground. Outgun the enemy in thrilling, team-based skirmishes with a huge arsenal of weapons, vehicles, gadgets, and drones at your disposal.

Why similar: Tactical 16.3%, FPS 13.4%, Military 13.2%, Realistic 9.5%, Shooter 9.3%

Why You'll Like It: It offers grounded contemporary military gunplay and team-based combat that sits between hardcore mil-sims and more arcade shooters.

Bodycam is the first tactical multiplayer FPS with a true body-camera view in Unreal Engine 5. Close-quarters combats feel raw and loud. Every angle, callout, and bullet matters. Play Deathmatch, Team Deathmatch, and Body Bomb on photoreal maps where teamplay, tactics, and clutch skill are key.

Why similar: Tactical 17.3%, FPS 12.5%, Military 11%, Realistic 9.9%, Team-Based 8.7%

Why You'll Like It: Its ultra-lethal, realistic presentation captures some of Zero Hour's intensity, though it is less structured and tactical overall.

America’s Army: Proving Grounds is the official game of the U.S. Army and part of the highly acclaimed America’s Army game series. This free military game focuses on small unit tactical maneuvers and puts you to the test in a wide variety of new America’s Army maps and AA fan favorites.

Why similar: FPS 20.5%, Military 18%, Tactical 17.3%, Shooter 12.8%, Multiplayer 10.5%

Why You'll Like It: This free military FPS leans into disciplined movement, objective play, and punishing gunfights over run-and-gun action.

Caliber is a team-based online shooter focused on special forces units from all over the world. More than 70 operators with unique abilities and weapons as well as various game modes and maps are waiting for you.

Why similar: Military 14.4%, Co-op 10.8%, Multiplayer 10.4%, Team-Based 10%, Shooter 10%

Why You'll Like It: Its operator-based squads and objective-focused co-op and PvP make it a decent option if you want coordinated modern-combat teamwork with a slightly more accessible feel.

Join the ever expanding experience of Hell Let Loose - a hardcore World War Two first person shooter with epic battles of 100 players with infantry, tanks, artillery, a dynamically shifting front line and a unique resource based RTS-inspired meta-game.

Why similar: FPS 16%, Tactical 15.3%, Military 15%, Shooter 13.9%, Realistic 13.2%

Why You'll Like It: It is much larger in scale, yet its realistic lethality, suppression, and team dependence will click with players who like serious tactical shooters.

Team up and join the frontline in Squad 44, the most authentic tactical WW2 shooter. Experience ruthless realism with an immense arsenal of faithfully recreated weapons and vehicles across massive WW2 battlefields.

Why similar: Military 18.4%, FPS 16.8%, Realistic 11.5%, Tactical 10.9%, Multiplayer 9.6%

Why You'll Like It: If you mainly value realism, communication, and structured team roles, this WWII shooter delivers that same disciplined pace.

Red Orchestra Series' take on Vietnam: 64-player MP matches; 20+ maps; US Army & Marines, PAVN/NVA, NLF/VC; Australians and ARVN forces; 50+ weapons; 4 flyable helicopters; mines, traps and tunnels; Brutal. Authentic. Gritty. Character customization. And napalm in the morning.

Why similar: Military 16.8%, FPS 16.4%, Tactical 15.5%, Team-Based 11.3%, Realistic 10.1%

Why You'll Like It: It trades police-style CQB for warzones, but the low-TTK realism and communication-heavy squad play are a close fit.

BattleBit Remastered is a low-poly, massive multiplayer FPS, supporting 254 players per server. Battle on a near-fully destructible map with various vehicles!

Why similar: FPS 17.9%, Military 16.8%, Tactical 15.8%, Shooter 13.5%, Multiplayer 10.6%

Why You'll Like It: It is far less realistic in visuals, but the class-based teamwork, voice communication, and lethal infantry fighting still make it a relevant tactical alternative.

In OPERATOR, you will play as an elite Tier 1 operator undergoing dangerous clandestine operations all over the globe. With a strategic, measured, and unforgiving style of gameplay. You are the tactical advantage, Good luck.

Why similar: Tactical 21.5%, FPS 14.2%, Shooter 13.1%, Realistic 13.1%, Multiplayer 8.6%

A PVP tactical FPS about PLANNING & EXECUTION. Sound strategy and good teamwork are essential for victory because new PROCEDURALLY-GENERATED MAPS are delivered every week. You'll face a new tactical challenge every round.

Why similar: Tactical 22.8%, FPS 15.9%, Team-Based 14.2%, Shooter 12.2%, Online Co-Op 11.6%

Why You'll Like It: The procedural maps and attacker-defender planning phase give it a distinct tactical flavor that appeals to players who enjoy organized CQB.

Experience close-quarters battles in iconic WWII settings. Defend the line, storm the beach, torch the enemy, or use a radio to call in fire support. Day of Infamy is a teamwork-oriented shooter that will keep you on your toes and coming back for more with its diverse game modes and authentic arsenal.

Why similar: FPS 19.7%, Military 14.9%, Tactical 14.5%, Realistic 11.6%, Shooter 11.1%

Why You'll Like It: It is historical rather than modern, but its tight maps, punishing gunplay, and teamwork-led pushes deliver a similar tension.

Tactical Assault VR is an intense tactical shooter where you use real-world CQB (Close Quarters Battles) tactics to stack up, breach doors and eliminate threats. Play solo or join an online co-op special forces unit in missions around the world.

Why similar: Tactical 31.1%, Shooter 17.2%, Online Co-Op 14.5%, Multiplayer 11.5%, Stealth 8.6%

Onward is the most immersive tactical VR shooter. Join your squad for a wide variety of competitive PvP, co-op PvE, and solo game modes, including intense multiplayer battles or 4-player co-op missions. Realistic weaponry and combat mechanics will push your survival and combat skills to their limit

Why similar: Military 16.4%, Tactical 15.3%, FPS 14.5%, Shooter 12.6%, Realistic 11.3%

Take charge of a SWAT unit as an elite operator. Command a specialized AI squad or team up in co-op to seize suspects, rescue civilians, and restore order. Study the briefing, kit out your team, and execute your plan with disciplined precision.

Why similar: Tactical 17%, FPS 13.4%, Military 12.8%, Shooter 11%, Realistic 8.8%

EXFIL delivers raw tactical FPS intensity with no distractions. No loot grinding, no gimmicks, just pure realism. EXFIL tests your strategy, comms, and teamwork in high-stakes tactical engagements. Will your squad rise to the challenge?

Why similar: Tactical 15.4%, Military 12.7%, FPS 10.5%, Team-Based 8.9%, Shooter 8.5%

'83 is a 40v40 squad based, objective focused online tactical first person shooter set in a Cold-War-Gone-Hot scenario. It's designed with 'accessible realism' for the most enjoyable, but still hardcore experience that gets you to the action fast, without losing the lethality of war.

Why similar: Tactical 16.4%, Military 14.4%, FPS 13.6%, Realistic 10.5%, Shooter 10.3%

Door Kickers is an innovative realtime strategy game that puts you in charge of a SWAT team and lets you command them during a tactical intervention.

Why similar: Tactical 63.4%, Co-op 8.7%, Strategy 8%, Shooter 7.1%, Simulation 4.3%

Task Force is the ultimate tactical shooter sandbox that focuses on close quarters infantry combat. It's made by a small indie team of 3 developers that strive to create exceptional action simulation games.

Why similar: Tactical 17.5%, Team-Based 11.8%, Third-Person Shooter 11.1%, FPS 10.8%, Military 10.3%

Hired Ops is a session-based online shooter dedicated to fierce conflicts between rival mercenary groups battling on a global scale.

Why similar: FPS 36.8%, Multiplayer 18.2%, Shooter 17.2%, Military 10.3%, Co-op 4.8%

POLYGON is a tactical multiplayer team 1st person shooter. Using various weapons, you will battle with up to 32 players on large-scale maps. Properly managing your arsenal and skills, you will lead your team to victory!

Why similar: Tactical 20.9%, Military 17.9%, FPS 16.7%, Shooter 15.5%, Multiplayer 9.5%

Escape from Tarkov is the original extraction FPS where every raid is a gamble with death. Prep your raid, bleed, endure and fight through ruthless PMC players and Scavs, gain tactical advantage and cling to your loot — only extraction decides if you live or lose it all.

Why similar: Tactical 17.2%, Military 14%, FPS 12.3%, Shooter 10.2%, Realistic 9.8%

FPV Kamikaze Drone is a tactical game focused on FPV drones in modern warfare. Control drones in first-person in single-player and co-op, and in multiplayer play as a third-person soldier who finds and uses FPV drones during combat.

Why similar: Shooter 29.3%, First-Person 13.4%, Simulation 12.9%, Multiplayer 11.7%, Action 10.8%

GTFO is a hardcore cooperative horror shooter that throws you from gripping suspense to explosive action in a heartbeat. Stealth, strategy, and teamwork are necessary to survive in your deadly, underground prison. Work together or die together.

Why similar: FPS 15.8%, Tactical 14.3%, Online Co-Op 13.7%, Shooter 12%, Co-op 11.8%

Arena Breakout: Infinite is a high-stakes tactical extraction shooter where every decision matters. Fight, loot, and extract—or lose it all. With stunningly realistic visuals, lifelike sound, and unforgiving PvPvE combat, every raid is a gamble between glory and ruin.

Why similar: FPS 23%, Tactical 20.9%, Realistic 16.6%, Shooter 16.2%, Multiplayer 14.7%

Contain is a Tactical Co-Op FPS game. Form your squad of four players to fight against the anomalies. Try to "Contain" them where the line between ordinary and extraordinary is blurred.

Why similar: Tactical 15.2%, FPS 14.8%, Military 12.1%, Shooter 11.2%, Team-Based 9.1%

Rainbow Six® Siege is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked, and Dual Front game modes with a selection of operators.

Why similar: Tactical 18.1%, FPS 14.1%, Shooter 10.7%, Online Co-Op 9.8%, Multiplayer 8.2%

Call to Arms offers an innovative mix of real-time strategy and 3rd, as well as 1st person controls. Set in the time of modern warfare, the game offers realistically modeled vehicles and heavy weaponry. Command your troops to victory or fight by yourself in the 3rd or 1st person action mode.

Why similar: Military 22.7%, Tactical 17.3%, Multiplayer 10.7%, Shooter 10.6%, FPS 9.7%

Zero Caliber is the ultimate VR FPS: single player/Co-op campaign, PvP and mod support with 40+ realistic firearms & melee weapons, 100+ unlockable skins, 50+ attachments, realistic physics, progression & more! Immerse yourself in the action, customize your gear and unleash your inner hero!

Why similar: Military 20.4%, FPS 15.9%, Co-op 12.3%, Shooter 12.3%, Online Co-Op 8.2%

Merciless trench warfare immerses you and your squad in intense battles of attack and defense. Verdun is the first multiplayer FPS set in an authentic World War One setting offering a rarely seen battlefield experience.

Why similar: Shooter 15%, Tactical 13.6%, Co-op 13.3%, Military 11.7%, FPS 11.1%

Ferocious Alpine warfare will test your tactical skills in this authentic WW1 FPS. Battle among the scenic peaks, rugged valleys and idyllic towns of northern Italy. The Great War on the Italian Front is brought to life and elevated to unexpected heights!

Why similar: Military 17.4%, Team-Based 14.4%, Tactical 13.2%, Realistic 12.7%, FPS 10.3%

Direct Contact delivers an authentic and immersive first-person, Co-Op tactical experience, built for those who demand realism, strategy, and precision. Operate as Special Forces, utilizing a vast arsenal of real-world weapons and equipment. Engage in dynamic combat.

Why similar: Tactical 18.4%, Military 17%, Shooter 15.3%, Third-Person Shooter 13.6%, Realistic 13.5%

Set in the muddy trenches of WW1, Beyond The Wire is a 50v50 multiplayer FPS that immerses players in the desperate & brutal circumstances of the Great War. Featuring an arsenal of historic weapons, ten massive maps, ten playable factions, era-specific tanks, & a brutal melee combat system.

Why similar: Military 18.2%, FPS 16.4%, Tactical 14.2%, Shooter 12.3%, Realistic 8.8%

Operation Valor is a tactical top-down multiplayer shooter that provides large scale combined-arms combat through base building and teamwork.

Why similar: Tactical 24.2%, Military 17.9%, Shooter 13.4%, Multiplayer 11.4%, Team-Based 10.4%

UPDATE 28 AVAILABLE - Interstellar Marines is an immersive tactical sci-fi First Person Simulator in the making, offering a unique blend of tactical gameplay, dynamic environments and non-scripted AI. Play Singleplayer or Co-op/PvP on servers around the world.

Why similar: Tactical 25.9%, FPS 19.5%, Co-op 13.1%, Multiplayer 10.3%, Shooter 10.1%