Top similar games like Kingdom Wars:
Kingdom Wars FREE
Kingdom Wars is a free to play 3D MMORTS with real-time siege combat, without the pay to win element so common in the genre. Kingdom Wars offers beautiful 3D online world, where players construct strongholds, direct citizens, complete quests and eventually manage a global empire.
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The Wild Eight$24.99
The Wild Eight is an intense survival action-adventure set in the frozen wilderness of Alaska. Team up with friends in online co-op or go solo, explore the mysterious land, craft weapons and fight to live another day.

WWII OnlineFREE
WW2 Online is a completely player-driven simulated wargame with a first-person tactical and strategic layer. You’ll fight a global war on a single worldwide server capable of holding thousands of players. Unmatched combined arms gameplay on a massive scale, now with built-in voice comms.

Smalland: Survive the Wilds$34.99
Experience a big adventure on a tiny scale! Enjoy multiplayer survival in a vast, hazardous world. Preparation is key when you're this small & at the bottom of the food chain. Craft weapons & armour, tame & ride creatures, build encampments & explore a strange new land.

Wild Terra OnlineFREE
Wild Terra Online is a sandbox RPG, in a completely player-controlled medieval world. You will have to survive in a forest full of predators, build a shelter and improve your crafts skills, tame animals and fight for treasures. You can become anyone and do whatever you want!

Heliborne Collection$29.99
Rotary-wing aviation and helicopter combat with a dynamic battlefield and the support of ground forces. Appreciated for MMO elements and an addictive gameplay loop. Use tactics and make strategic decisions or fly around and shoot in historically accurate maps.

AberothFREE
Aberoth is a fantasy massively multiplayer online role playing game with charming retro graphics and tons of freedom.

Blockscape$9.99
The ultimate block building game.

We Are The Dwarves$19.99
We Are The Dwarves is a real-time tactical adventure where you take control of three Dwarven astronauts and lead them through the hordes of enemies in the depths of their Universe.

The Bloodline$19.99
The Bloodline is a sandbox adventure RPG that lets you play your way. Reforge bonds between kingdoms, explore the wilds, craft and plan adventures and wield mighty weapons or magic as you prepare for what is to come…

Day of Infamy$14.99
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.

Stranded Deep$19.99
Take the role of a plane crash survivor stranded somewhere in the Pacific Ocean. Come face to face with some of the most life threatening scenarios that will result in a different experience each time you play. Scavenge. Discover. Survive.

End War RTS 2$5.99
A 3D modern real-time war game, realistic 3D style, the classic RTs of the second-generation continuation of End War RTS, stimulates the fast-paced sense of attack

Omega Crafter$24.99
Adventure in a vast open-world survival craft game with your programmable sidekick Grammi! Program the Grammi to collect materials, build your town, craft weapons and armor to challenge strong enemies! Play alone or with friends online!

MaelstromFREE
Command the seas in Maelstrom! Engage in fast-paced naval battles with powerful warships and colossal sea monsters. Customize your fleet and dominate the Abyssal Ocean. Are you ruthless enough to survive?

Windward$9.99
Windward is an action-filled multiplayer sandbox game that puts you in control of a ship sailing the high seas of a large procedurally-generated world.

Valnir Rok Survival RPG$9.99
Valnir Rok is a multiplayer survival roleplaying game in a Viking setting with quests by bestselling author Giles Kristian. Explore a huge open world, craft items, cook meals, build houses and found clan cities. Raid other clans or place bounties. Pray to the gods and survive.

Dig or Die$11.99
Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.

The Escapists 2$19.99
Craft, Steal, Brawl and Escape! It’s time to bust out of the toughest prisons in the world as you return to the life of an inmate in The Escapists 2, now with multiplayer! Have you got what it takes to escape?

ArcheBlade™FREE
ArcheBlade is a free to play 3D multiplayer fighting game that captures the essence of combo-based fighting games combined with unique game modes. Play as one of many characters and master your skills to become the best fighter.

Velvet SundownFREE
Velvet Sundown is a social multiplayer role-playing game, taking place on a luxury yacht cruising the waters of a fictitious Caribbean state of Balbonia. Embark on a journey full of conspiracies, trickery and secrets where you can never tell a friend from foe.

Universal Combat CE$9.99
The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

Mount & Blade$9.99
Calradia is a land at war, offering great riches and even greater dangers to adventurers and mercenaries that flock to shed their blood on its soil. With courage and a strong sword, an unknown stranger can make a name as a warrior. Free-form sand-box gameplay.

Rem Survival$15.99
Tackle starvation, dehydration, thermal conditions, radiation poisoning, and toxic gas inhalation while trying to keep your sanity intact. Shack up, cook some chicken, and make friends or enemies as you discover, explore, learn, build, and develop your skills needed for a true survival experience.

Astro LordsFREE
Player bases are located on asteroids, which travel within the Oort Cloud. Once they’ve acquired the appropriate skills, players can control their asteroid’s movements. Mass-combat enthusiasts will love the Arena: here, players can battle it out against alien races or other Astro Lord players.

LuckCatchersFREE
Massively multiplayer online game in the world of magic and steam. Become a pirate or a trader, a carrier or a manufacturer in this unfriendly world inhabited by dragons.

HammerHelm$14.99
HammerHelm is a unique blend of third-person adventuring and strategic town building. Create your dwarf character and build a flourishing town above ground. Complete quests, craft weapons and armor, defeat dangerous enemies and be the leader your townspeople need!

❂ Hexaluga ❂ Witch Hunter's Travelling Castle ♉$199.99
Travel the world in your own moving castle fighting against monsters and helping people.

Race for Tuning$4.99
The city at night, the roar of the engine, nitrous, neon, a tuning... What else do you need for a street race? Burn rubber and become the king of the streets!

Stay OutFREE
Stay Out - is a MMORPG with shooter elements, based on spirit of “stalking” - an urban exploration, searching and exploring mysterious, abandoned and forgotten by humanity pieces of our planet.

Craftopia$24.99
Craftopia is the brand new multiplayer survival action game made in Japan. We combined many features we find enjoyable, such as hunting, farming, hack-and-slash, building, automation to develop this game.

Arcane Vale$11.99
Arcane Vale is an action packed open-world RPG. Embark on an adventure to discover a long-lost treasure in a vast and dangerous world.

Grim-World:Survival$0.99
Grim World is a survival and adventure game in which you can build your home, create your character and shape it to your liking . You can become a warrior, a hunter or even a magician. You may well be halfway between a hunter and a magic like you want

2D?!$8.99
Excavate, combat, discover, construct! Every challenge can be conquered in this thrilling adventure game. Immerse yourself in endless creativity as you explore through uncharted territories , engage in epic battles and shape thw world with your own hands.

Chocolate Factory: PrologueFREE
Build your dream Chocolate Factory among candy cane forests and gumdrop hills to produce the tastiest sweets. A delicious first-person factory automation game with a little exploration and combat. Confectionary conveyor belt heaven awaits! The free prologue for the full game!

Train Frontier Classic$9.99
Train Frontier Classic is a stylized landscape building and multiplayer train riding sandbox, inspired by the fun of model railroad building. Fill a scene with miles of scale track, hundreds of props, and a personal train car setup -- then go online to share and ride your creation with friends!

Voidtrain$29.99
Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.

Scrap Mechanic$19.99
Enter the creative paradise of Scrap Mechanic! Build fantastic machines, go on adventures with your friends and defend against waves of evil Farmbots in this imaginative multiplayer survival sandbox. With Scrap Mechanic’s powerful creation tools you can engineer your own adventures!

Gold Hunter$24.99
Have you always dreamed of searching for gold? Then start your own adventure now - alone or together with friends. Explore a huge map and dig for gold using a variety of methods, vehicles and wash plants.

Squad 44$29.99
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.

Gun Shop Simulator$3.99
Open and manage your own gun shop. Start small and expand/upgrade your business! Oh and also, crime rates have been going up lately, so be careful out there!

Raft$19.99
Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks!

EDEN: Create World$9.99
EDEN is a physical sandbox. No limits, create worlds and play the way you want! To create worlds, we give you a large set of tools, game mechanics, smart and not so smart NPCs, cars, weapons and many other interesting things.

AirMechFREE
AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!

Ragdoll Party Online$4.99
Create your own level with your friends online in the sandbox mode, play the mini-games, ragdoll, drive a car, fly with a Jetpack, fart to go higher, throw grenades. Access more than 45 items to build your own level.

BANNERMEN$14.99
A singleplayer fast-paced classic RTS game in which you take on the role of a fallen lord on his journey back to become one of the mightiest in the medieval realm of Valtoria.

TabletopiaFREE
Tabletopia is a sandbox virtual table with high-quality board games and ready setups. Already 2,400+ games and counting! Play how you want with whom you want: guests don’t need accounts to play. Or make your own games, no programming skills required.

Lively Chair SimulatorFREE
Lively Chair Simulator is an indie multiplayer game with strange controls. Let’s see if you are suitable to be a chair.

Fantasy ShootoffFREE
Fantasy Shootoff is a free PvPvE fantasy game where you fight against enemy creatures and bosses, use crazy weapons, experience a thrilling story, and hang out with your friends on one big map.

SimAirport$24.99
Build & Manage Your Airport. An International Hub or a Regional Masterpiece -- it's up to you. Buy more land to scale out, or escalators to scale up with MULTIPLE FLOORS. You're in full control in this modern business management tycoon!

RawbotsFREE
A universe where you can play with amazing robots that are designed, built and even programmed by you.

Special TacticsFREE
ST brings the most intense, tactical-action experience to Steam. Select your custom loadout, plan out strategies and accomplish your objectives. Addictive Survival mode and unrivaled multiplayer including Squads (1 vs 1, 2 vs 2, 2 vs 1)