- #1 Arma 3
97% matchVery Positive90% of 291,421 reviews2013
Dev: Bohemia Interactive
Windows · Mac
Median: 14.4 hrsMean: 255.4 hrs≥1hr: 90%
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 You'll Like It: As the core game for the tools, it provides the primary environment for testing and implementing your custom content.
- #2 Arma Reforger
96% matchMostly Positive79% of 47,450 reviews2023
Dev: Bohemia Interactive
Windows
Median: 19.3 hrsMean: 85.9 hrs≥1hr: 94%
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 You'll Like It: This title serves as the modern successor to the engine used in Arma 3, offering a more accessible and updated platform for tactical simulation development.
- #3 DOOM Eternal: idStudio
95% matchVery Positive94% of 127 reviews2024
Dev: id SoftwarePub: Bethesda Softworks
Windows
Why You'll Like It: This official modding suite allows creators to build and share custom content, mirroring the utility-focused nature of the Arma 3 toolset.
- #4 Arma 2
96% matchVery Positive84% of 2,114 reviews
Dev: Bohemia Interactive
Windows
Median: 42 minMean: 15.1 hrs≥1hr: 43%
Building on 10 years of constant engine development, ARMA II boasts the most realistic combat environment in the world. It models real world ballistics & round deflection, materials penetration, features a realtime day/night cycle and dynamic wind, weather and environmental effects.
Why You'll Like It: This legacy title shares the same engine lineage and provides historical context for the evolution of the Real Virtuality engine.
- #5 Garry's Mod
94% matchOverwhelmingly Positive97% of 1,226,319 reviews2006
Dev: Facepunch StudiosPub: Valve
Windows · Mac · Linux
Median: 25.5 hrsMean: 284.3 hrs≥1hr: 94%
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
Why You'll Like It: It is the gold standard for community-driven sandbox creation and modding, offering unparalleled freedom to manipulate game assets.
- #6 Squad
94% matchVery Positive81% of 234,054 reviews2020
Dev: Offworld
Windows
Median: 14.2 hrsMean: 110.9 hrs≥1hr: 93%
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 You'll Like It: This tactical military shooter features a robust modding community and shares the same focus on realistic, large-scale combat as the Arma series.
- #7 Halo 3 Mod Tools - MCC
92% matchVery Positive93% of 163 reviews2021
Dev: 343 Industries
Windows
Why You'll Like It: These tools offer a comprehensive suite for modifying a classic tactical shooter, making it a great alternative for those interested in FPS modding.
- #8 Operation: Harsh Doorstop
90% matchMostly Positive77% of 19,731 reviews2023
Dev: Drakeling Labs
Windows
Median: 48 minMean: 5.7 hrs≥1hr: 45%
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 You'll Like It: This free-to-play tactical shooter is built specifically to be mod-friendly, encouraging community-led development.
- #9 World War 3
89% matchMixed54% of 54,576 reviews2022
Dev: New Generation GamesPub: Wishlist Games
Windows
Median: 4.1 hrsMean: 20.7 hrs≥1hr: 77%
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 You'll Like It: A tactical military FPS that captures the realistic combat feel often sought by fans of the Arma series.
- #10 Ready or Not
86% matchMostly Positive77% of 320,774 reviews2023
Dev: VOID Interactive
Windows
Median: 12.8 hrsMean: 33.0 hrs≥1hr: 95%
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 You'll Like It: A tactical shooter that emphasizes realism and supports a thriving modding community, aligning well with the Arma aesthetic.
- #11 Mount & Blade II: Bannerlord
84% matchVery Positive88% of 286,599 reviews2022
Dev: TaleWorlds Entertainment
Windows
Median: 61.2 hrsMean: 152.2 hrs≥1hr: 96%
A strategy/action RPG. Create a character, engage in diplomacy, craft, trade and conquer new lands in a vast medieval sandbox. Raise armies to lead into battle and command and fight alongside your troops in massive real-time battles using a deep but intuitive skill-based combat system.
Why You'll Like It: This title features a deeply moddable sandbox environment that allows for complex tactical and strategic modifications.
- #12 DayZ
85% matchMostly Positive78% of 456,703 reviews2018
Dev: Bohemia Interactive
Windows
Median: 39.6 hrsMean: 272.0 hrs≥1hr: 96%
How long can you survive a post-apocalyptic world? A land overrun with an infected "zombie" population, where you compete with other survivors for limited resources. Will you team up with strangers and stay strong together? Or play as a lone wolf to avoid betrayal? This is DayZ – this is your story.
Why You'll Like It: Built on the same engine technology as the Arma series, it offers a deep look at how the engine handles large-scale survival simulation.
- #13 BeamNG.drive
83% matchOverwhelmingly Positive97% of 384,707 reviews2015
Dev: BeamNG
Windows
Median: 9.9 hrsMean: 91.9 hrs≥1hr: 87%
A dynamic soft-body physics vehicle simulator capable of doing just about anything.
Why You'll Like It: A physics-heavy sandbox that provides extensive modding support, perfect for those interested in technical engine manipulation.
- #14 Tabletop Simulator
81% matchOverwhelmingly Positive96% of 72,280 reviews2015
Dev: Berserk Games
Windows · Mac · Linux
Median: 9.4 hrsMean: 56.5 hrs≥1hr: 90%
Tabletop Simulator is the only simulator where you can let your aggression out by flipping the table! There are no rules to follow: just you, a physics sandbox, and your friends. Make your own online board games or play the thousands of community created mods. Unlimited gaming possibilities!
Why You'll Like It: This platform features a powerful scripting and modding environment that allows users to create and share complex interactive games.
- #15 VRChat
80% matchMostly Positive75% of 259,315 reviews2017
Dev: VRChat Inc.
Windows
Median: 2.9 hrsMean: 163.2 hrs≥1hr: 72%
Join our growing community as you explore, play, and help craft the future of social VR. Create worlds and custom avatars. Welcome to VRChat.
Why You'll Like It: It offers a robust SDK for user-generated content, allowing creators to build complex 3D environments and interactive experiences.
- #16 FPS Game: Dev Test
78% matchVery Positive85% of 1,421 reviews2022
Dev: jackal_dev_test
Windows
A Simple, Fun, Multiplayer FPS game, strictly built and packaged for development testing and networking development.
- #17 Plasma
75% matchVery Positive90% of 1,062 reviews2023
Dev: Dry CactusPub: Dry Licorice
Windows
Median: 30 minMean: 5.3 hrs≥1hr: 38%
Plasma is a pure engineering sandbox. Use advanced visual programming and robotics tools to create anything you can imagine.
Why similar: Game Development 100% ★
- #18 First Person Shooter Kit Showcase
77% matchVery Positive85% of 72 reviews2020
Dev: Kelint
Windows
A showcase of FPSK (First Person Shooter Kit), a Unreal Engine blueprint asset you can use to help create your very own First Person Shooter.
- #19 Aimtastic
72% matchVery Positive94% of 2,649 reviews2018
Dev: Pixel Pointer Studios
Windows
Median: 36 minMean: 7.3 hrs≥1hr: 38%
Training game for FPS games. Helps you become a better aimer. Includes a lot of different practice scenarios, which is great for warmup or taking your aim to the next level.
- #20 World of Shooting
70% matchMostly Positive77% of 739 reviews2024
Dev: Noble Empire Corp.
Windows
Median: 48 minMean: 12.8 hrs≥1hr: 44%
A first-person shooting sports sim from the developers of World of Guns. Collect hundreds of realistic firearms and accessories, beat practical shooting and tactical training campaigns, set global high scores, and build your own ranges!
- #21 ShotForge
74% matchMostly Positive76% of 82 reviews2016
Dev: Alix
Windows
Median: 1.3 hrsMean: 15.0 hrs≥1hr: 56%
A sandbox to build the coolest guns in.
- #22 Modiverse
73% matchMixed57% of 67 reviews2021
Dev: Deep Voodoo Games
Windows
An open multiplayer sandbox game; includes tools, props, levels, NPCs, character models, game-modes and much more! Make your own using our mod kit!
Why similar: Game Development 100% ★
- #23 World of Guns: VR
73% matchMostly Negative38% of 87 reviews2019
Dev: Noble Empire Corp.
Windows
World of Guns: VR lets you delve into the inner workings of guns from the largest gears to the smallest screws now in VR
- #24 Line of Sight
72% matchMixed60% of 9,046 reviews2017
Dev: BlackSpot Entertainment
Windows
Median: 1.0 hrsMean: 7.6 hrs≥1hr: 49%
Fast paced FPS with high customizational freedom. From game mode customization to an in depth weapon tuning and attachment system up to detailed character customizations, while it was developed so you can choose to either go for high performance or graphical fidelity without an high end PC.
- #25 A.W.O.L.
69% matchMostly Positive79% of 1,111 reviews2022
Dev: Shotspark Studios
Windows · Linux
A.W.O.L. is a first-person, mil-spec shooter developed using the Build engine (Duke Nukem 3D, Ion Fury).
- #26 Learn Game Development, Unity Code Monkey
70% matchVery Positive83% of 131 reviews2020
Dev: Endless Loop Studios
Windows
Learn Game Development from a Professional Indie Game Developer. Make your own games and bring your ideas to life!
Why similar: Game Development 100% ★
- #27 Battlefield™ REDSEC
65% matchMixed45% of 16,044 reviews2025
Dev: Battlefield StudiosPub: Electronic Arts
Windows
Now entering REDSEC, the ultimate free-to-play FPS destination built on Battlefield’s iconic DNA. Featuring Battle Royale, Gauntlet, & the power of Portal.
- #28 Red Eclipse
68% matchVery Positive87% of 852 reviews2019
Dev: Quinton Reeves
Windows · Linux
Building on over 15 years of gameplay design, Red Eclipse continues to focus on fast paced, agile, easily accessible first person shooter gameplay. For creators, the full power of the Tesseract engine is at your fingertips in the included realtime multiplayer editor.
- #29 Kriegsfront Battlescaper - Diorama Editor
66% matchVery Positive94% of 87 reviews2022
Dev: Toge Productions
Windows
Create mechs and battlefield dioramas using built-in photo mode, mecha builder, and level editor. Based on developer tools for our upcoming mecha turn-based tactics game, Kriegsfront Tactics.
- #30 World of Guns: Gun Disassembly
67% matchVery Positive84% of 19,635 reviews2014
Dev: Noble Empire Corp.
Windows · Mac · Linux
Median: 1.0 hrsMean: 9.0 hrs≥1hr: 50%
World of Guns: Gun Disassembly lets you delve into the inner workings of guns from the largest gears to the smallest screws
- #31 Halo: Reach Mod Tools – MCC
66% matchVery Positive90% of 86 reviews2022
Dev: 343 Industries
Windows
- #32 ARMA: Gold Edition
68% matchMostly Positive76% of 1,303 reviews2011
Dev: Bohemia Interactive
Windows
Median: 36 minMean: 9.3 hrs≥1hr: 38%
ARMA: Gold is pack of ARMA: Armed Assault and an expansion pack ARMA: Queen's Gambit. ARMA is a first person tactical military shooter with large elements of realism and simulation. This game features a blend of large-scale military conflict spread over large areas alongside the more closed quarters battle.