Top similar games like Isonzo:

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.

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.

Kommando is an online competitive tactical shooter set in fictional but realistic locations from all across the globe. It features a competitive 5v5 FPS experience inspired by tactical shooters of the past and present.

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.

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

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.

Army Troop Remastered brings the classic Army Troop to life with immersive 4K graphics and enhanced realism. This remastered version offers a complete overhaul, with every sound, music, effect, UI, and 3D model redesigned for a more dynamic experience, featuring 4K textures.

Glory to the Heroes set in the Russian-Ukrainian war is an immersive singleplayer and PvPvE FPS with combined arms gameplay, involving many kinds of different military units and vehicles on the battlefield, where the action is happening in the real-world locations of actual battles.

Fight in the theatre of war that changed the world forever. Battle alongside your compatriots on some of the most inhospitable environments of the Eastern Front in Red Orchestra: Ostfront 41-45. Red Orchestra places you in the most realistic WWII first-person multi-player combat to date on the PC, allowing the player to fight through...

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.

Armored War is a realistic tactical first-person shooter set in the realities of modern conflict. Take part in ground battles using a full arsenal of weapons and equipment

Army Troop is an old-school PvP World War 2 online first-person shooter. Reminding you of the good old days World War games.

Also contains all multi-player content from Red Orchestra 2: Heroes of Stalingrad

Fight on multiple fronts in Holdfast: Nations At War - A multiplayer first and third-person shooter set during the great Napoleonic Era and WW1. Charge into battle with over 150 players per server!

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

WWII Online: Chokepoint is an authentic F2P WW2 multiplayer tactical shooter, driven by teamwork and built-in voice comms. Jump in feet first with the US Airborne or join the Wehrmacht and fight to control iconic chokepoints as an infantryman in Europe between 1944-45. Are you ready for WAR?

Army Troop 2: Modern Guns offers intense old-school online PvP battles with customizable soldiers, weapons, and gear. Engage in dynamic combat across diverse maps, with advanced bot integration for non-stop action. Challenge friends or AI opponents for the ultimate FPS experience.

Join 200-player battles in Over The Top: WWI — an intense multiplayer shooter set in the gritty backdrop of World War I. Pick your class, choose from a vast arsenal, including rifles, artillery, and powerful tanks, and experience the chaos of fully destructible battlefields.

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.

Battle of Empires :1914-1918 is a story driven RTS, that re-lives some of the bloodiest battles of “The Great War”. The missions include some of the most fearsome weaponary employed of the period. Sabotage, stealth, trench warfare, gas attacks, artillery and mobile infantry - BoE has it all!

Fight upon the Ravenfield together with your Blue allies! Take down those pesky Reds using helicopters, tanks, guns, and active ragdoll physics!

Enlist in law enforcement or misfortune, take the intensity of combat to a new level and control of the situation in your hands, with the magnificent shooting simulator with 85% realism, Eighteen Gold... (Now with Eighteen Gold SE + Eighteen Gold 2)

Battle Cry of Freedom brings brutal real-time first and third-person combat set in the 19th Century America, presenting players with the opportunity to re-fight the American Civil War as either the Union or the Confederates.

Enjoy total freedom to fight the way you want. Explore 29 massive multiplayer maps and use loads of vehicles, weapons, and gadgets to help you turn up the heat. Every second of battle gets you closer to unlocking tons of extras and moving up in the Ranks. So get in the action.

Contains full Rising Storm content as well!

A tactical multiplayer first-person shooter in the Vietnam war era. It will be, what we coined, an “accessible tactical simulation” (ATS) - striking the best possible balance between realism and accessibility,

Eastern Europe, 2008. War has broken out on the borders of Russia and the fate of the world hangs in the balance. That's when the call goes out for the Ghosts—an elite handful of specially trained Green Berets, armed with the latest technology and trained to use the deadliest weapons.

Experience true combat gameplay in a massive military sandbox. 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.

Jump straight into combat in this official standalone FREE total conversion of Arma 3. Argo is a hardcore tactical first-person shooter, in which you fight across unrestricted terrain, and where a single bullet is all it takes. Master your craft to rank up and become (in)famous on the battlefield.

A Realistic First-Person, 6v6 Tactical Shooter. In an alternate universe where the Soviet Union never fell apart, it looks like the two modern superpowers are starting to get along. Behind the scenes however, the best operatives that NATO and the Warsaw Pact have to offer are going head to head.

Operation Siege is an online multiplayer tactical FPS based on air combat, ground combat, with a selection of realistic faction-specific weapons and vehicles allow players to build their own loadouts for their preferred tactics. Prepare yourself for that operation.