可以和朋友在线一起玩的免费开玩（Building）游戏共 74 款，包括Simutrans、Istrolid和Trove。
全部游戏: 24
Simutrans is a freeware and open-source transportation simulator. Your goal is to establish a successful transport company. Transport passengers, mail and goods by rail, road, ship, and even air. Interconnect districts, cities, public buildings, industries and tourist attractions.
In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.
Grab your friends, hone your blades, and set off for an epic procedurally generated adventure in Trove! Battle the Shadow in realms filled with dungeons and items created by your fellow players. Whether hunting treasure or building realms of your own, it’s never been this good to be square!
一起完成短篇合作挑战，或与朋友在团队战中并肩建造。在 King Arthur’s Gold 里，城墙和计划一样容易崩塌。
A massively multiplayer grand strategy game, Stronghold Kingdoms is about forging alliances, political mind games, city-building and castle sieges with thousands of other players!
Choose your vehicle, install weapons and protections, and launch yourself in the biggest multiplayer challenge ever seen!
D.A.B. Your foes in co-op & PvP battles. (D)efend bases with weapons and skill. (A)ttack with clever AI armies. (B)uild amazingly creative defenses.
ADVENTURE. ANYWHERE! Explore endless magical worlds and battle fearsome creatures alongside millions of friends. Ride your own horse, bear or moa and discover the many game world wonders. Unleash your imagination by crafting beautiful buildings.
(Sandbox Game) You play as a pirate on a remote island, surviving alone or with other players as you battle hostile skeletons. Construct a shelter and gather resources to fortify your survival.
Stash is an MMO with turn based grid combat, custom housing, a tabletop art style, and more loot than you can fit in a portable hole. Stash has the charm of a pen-and-paper gaming group with the gameplay of a deep, interesting, unique RPG. Join our friendly community!
Deuterium Wars is a rapid 2D shooter. Create your own aircraft and plunge into heated battle with other players. What awaits you: an extensive role-playing system, craft, trading, and much more on a single server for all platforms.
Stop! You haven't captured the train yet? Didn't build a base and haven't mastered the planet? I won't jump from a springboard to take the flag! I'll be waiting for you!
"Kingdom of Atham: Crown of the Champions - Embark on a medieval fantasy survival odyssey. Reclaim the stolen Crown, battle dark forces, and explore diverse lands. Uncover secrets, wield magic, and craft your destiny. Will you become the true champion of Atham?"
最具人文气息的策略三国志游戏，正统得天下三国游戏，三国志2013(2014)的正版续作。
Invent a new computer! Logic World is a first-person sandbox simulation game that's all about digital logic. Play alone or with friends, design unique machines, build up layers of complexity, and experience the joy of circuits!
The ultimate teamwork multiplayer FPS. Heal your teammates by shooting them. Boost them. Build your defense together.
Host immersive tabletop campaigns in a world imagined entirely by you! Build from the ground up with The RPG Engine, an intuitive virtual tabletop that lets you create unparalleled roleplaying environments for your party to get lost in.
Ace Squared is a multiplayer arena first-person shooter. You can build huge structures and dig tunnels behind enemy lines. Imagination is the only limit. Featuring 32-player servers, different classes and gamemodes.
Transform your virtual tabletop RPG experience in Game Master Engine’s lush 3D multiplayer RPG simulator. Whether you're a seasoned game master or just starting out, GME makes it easy to explore, create, and run custom games, all while bringing your players together for unforgettable adventures.
Stranded on a hostile and deadly planet, you must gather resources, build shelter, and fight to survive each night. But the secrets of this world await in a gripping sci-fi survival PvP game.
Миллидор – глобальная клиентская онлайн стратегия в лучших традициях классического fantasy. Миллидор дает возможность стать правителем своего королевства. Суровым, деспотичным воякой или, наоборот, дипломатичным торговцем – выбор за вами!
I'm keyboard, you're mouse! The actor has to jump over buildings, avoid obstacles, and film without a hitch But the cameraman shouldn't miss the actor Caution) do it with your friend, will fight your friend. do it alone, your left and right hand fight
Fly through Subspace, build your own ship, and engage in epic battles. Mine asteroids and research new technologies. Uncover the origins of the alien homeworld by solving weekly events in this Co-op PvE MMO.
🐸Free-To-Play🐸 Stop following someone else's route. Create your own way to the top by building your own path 🐸 Frog Climb is a stylized co-op climbing adventure where you must escape from terrariums 🐸 Level up, gain powerful upgrades, and prove that no wall is too high for a frog with a plan 🐸