Best Free MMO/Multiplayer Simulation Games

List of free-to-play MMO or multiplayer Simulation games ordered by user rating (across all systems)

Moonbase Alpha is a free-to-play space simulation game by NASA taking place on the moon. NASA has once again landed on the lunar surface with the goal of colonization, research, and further exploration. Shortly after the return to the Moon, NASA […]

Windows
85

DCS World is a free-to-play vehicle combat simulation game created by an inspired development team. DCS World uses a powerful engine that delivers realistic gameplay. The battlefield includes a spectacular mission area – the location of the Georgian conflict in 2008. […]

Windows
85

OpenTTD is an open source business simulation game based upon the popular Microprose game “Transport Tycoon Deluxe”, written by Chris Sawyer. It attempts to mimic the original game as closely as possible while extending it with new features. Just as in […]

WindowsMacLinuxAndroid
84

Rise is a virtual, persistent universe developed by Unistellar Industries LLC. It is still the largest “seamless” online arena and has very realistic physics. The game is entirely first-person and was developed as a “vehicles-only” game. Imagine a sandbox over 100 […]

Windows
82

VRC PRO is a free-to-play realistic RC racing simulator game, with over 14 years of non-stop physics and vehicle dynamics development. The game is accessible as an F2P game on the official website while being sold on Steam in its full […]

Windows
80

The Pirate: Caribbean Hunt is a free-to-play multi-player naval combat simulation game set in the Age of International Piracy, for Windows, Mac, Linux, iOS and Android systems by Polish studio Home Net Games. “Hoist the Jolly Roger and grab the steering […]

WindowsMacLinuxIphone & IpadAndroid
80

Fishing Planet is a free-to-play realistic online first-person multiplayer fishing simulator developed by avid fishing enthusiasts for anglers to bring you the full thrill of actual angling. Choose your lures, make your trophy catches, discover new possibilities and sharpen your real […]

WindowsMacLinuxPlaystation4
78

Quintet is a free sci-fi cooperative, cross platform, multiplayer, “crew” game, set in space where players work harmoniously to control the same spaceship. There are 5 distinct and complementary roles to choose from: Captain, Helm, Tactical, Engineering and Science. How successful […]

WindowsMacLinuxIphone & IpadAndroid
78

MachineCraft is a free-to-play multiplayer and single-player machine construction and interaction game. The main purpose of this game is showing and watching machines made out of blocks. Some of the game-modes allow you to battle or race against other players. (testing […]

Windows
78

Allegiance is a free-to-play multiplayer space combat sim mixing real-time strategy and player piloted space combat gameplay, in which players cooperate with teammates to conquer the other team’s bases, while flying agile scouts, powerful fighter craft, turreting fragile bombers and massive […]

Windows
75

Pinball Arcade by FarSight Studios features exact recreations of the all-time greatest pinball tables from Williams®, Bally®, Stern Pinball®, and Gottlieb® together in one game. Every flipper, bumper, sound effect, and display pixel has been painstakingly emulated in astonishing detail. Pinball […]

WindowsMacIphone & IpadAndroidPlaystation3Playstation4xBox One
75

RaceRoom is a free-to-play MMO Racing simulation game rooted in the professional world of racing. RaceRoom is the first free-to-play racing simulation on PC and home to official race series like DTM, WTCC, and ADAC GT Masters. The game is only […]

Windows
70

The Four Kings Casino & Slots is a free-to-play social MMO that allows you to immerse yourself in a simulated casino experience. You will start off by creating a personalized 3D avatar that represents you in the online world. As you […]

WindowsMacPlaystation4
69

CasinoRPG is a free-to-play casino MMORPG by Goldfire Studios that lets you play the many games a casino holds. The particularity of this game however is that you may even build your own casinos, host your favorite games and tournaments and […]

WindowsMacLinux
68

Aces High III is a free-to-play flight simulator that takes the art and science of vintage WW1 and WW2 air combat and sets it in a high intensity online multiplayer environment. Hundreds of players simultaneously battle it out against each other […]

Windows
65

Tabletopia is the only free-to-play sandbox virtual table with 100% licensed board games made by professionals. Already 300 games and counting. Play how you want with whom you want: your guests don’t need accounts to play. Enjoy the amazing graphics, realistic […]

WindowsMacIphone & IpadAndroid
60

GunFleet was a free-to-play massively multiplayer online naval action shooter game, inspired by the different countries’ mosquito fleets of the First and Second World Wars, between the fleets of fast attack sea crafts and mini submarines. You could take part in […]

Windows
60

Rise of Flight is the most realistic WWI PC flight simulation ever created. Take to the skies of war torn Europe and experience daring air combat at the dawn of aviation. Re-enact famous air battles fought by legendary aces such as […]

Windows
52

TheHunter is a free-to-play online multiplayer hunting simulation game. Experience the thrill of the hunt in huge realistic environments using everything from crossbows to state of the art bolt action rifles. Realistic animal behavior and persistent online features provides a living […]

Windows
40