Top similar games like Citadel: Forged with Fire:

Space Engineers$19.99

Space Engineers is a sandbox game about engineering, construction, exploration and survival in space and on planets. Players build space ships, space stations, planetary outposts of various sizes and uses, pilot ships and travel through space to explore planets and gather resources to survive.

Starbound$14.99

You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...

Therian SagaFREE

Therian Saga is a MMORPG that tries to stand out of the crowd by offering a compelling storytelling surrounded by a massive mathematical set of rules that define the world your hero will evolve in. It could be said that it borrows elements from old-time MUD games, strategy games and even tabletops RPG.

Fasaria World: Ancients of Moons + Server$9.99

Fasaria World: Ancients of Moons is a single/multiplayer fantasy online experience that can be played locally from your PC (single player offline). Instructions are included on how to host your own server and how other players can join your game.

Edge of Space$14.99

Suit up as an operative of the Ark Corporation, sent to the farthest reaches of the universe in search of habitable planets to terraform. However, after the long space journey you awaken from cryosleep to find that your ship has gone way off course and is disabled near a strange new world.

Breakwaters: Crystal Tides$19.99

Survive in a world ravaged by massive Titans and an ever changing ocean sim. Displace water to find resources for building and crafting unique items. Swim, sail, and fly to explore new islands and fight Titans.

TerraTech$24.99

TerraTech is an open-world, sandbox adventure game, where you design and build your own creations through a mix of crafting, combat and discovery. Design vehicles from a huge library of blocks. Scavenge, craft and buy new parts to survive and become the ultimate planetary prospector.

Journey Of Life$14.99

You have experienced the sudden loss of your wealth, which has compelled you to abandon your previous life and begin anew. By venturing into the game world, you can construct settlements and forge alliances with other players, ensuring that you will always have exciting challenges to undertake.

Salt$14.99

Salt is an open world exploration game where you sail from island to island looking for loot and new discoveries! Relax and explore at your own pace, picking a direction and setting sail across a vast ocean filled with quests, merchants, ruins, pirates, and other mysterious places.

Lost ExistenceFREE

Explore vast, forgotten lands, cryptic abandoned ruins, and mysterious caverns, in this open-world voxel action-RPG. Create your own uniquely crafted class. Build multiplayer dungeon, PvP, or siege experiences. Run, vault, and leap effortlessly across endless wilderness, or delve deep underground.

Planet ExplorersFREE

Planet Explorers is an open world sandbox adventure RPG game set on a distant planet. The game uses a new OpenCL calculated voxel system to allow players to change the terrain in any way, create new objects such as weapons, vehicles, objects, and do it anywhere.

DIY Simulator$19.99

DIY Simulator is teaching everyone how to build DIY (DO IT YOURSELF) objects like electric skateboards, drones, airplanes, electric bikes, power banks and many more. By having a day and night cycle, you need to sleep because if you get tired, you cannot work.

Airmen$14.99

Airmen is a first person ship building and battling game featuring airships, landships and watercraft. Crew your ship solo or alongside friends on dangerous expeditions into the archipelago to complete contracts, collect resources, and upgrade your ships.

Pathless Woods$19.99

Embark on a cozy open-world survival journey inspired by ancient China's heritage. Gather resources, cultivate crops, build your dream home, and defend it from marauders. Team up with friends to explore and uncover a world where adventure meets serenity.

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.

StashFREE

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!

魂之大陆 Soultia$5.99

Planetaries$19.99

Experience a vast Sci-fi open-world survival TD game set on a distant planet deep in the universe. Craft, build, mine, trade, explore, and survive in this alien world. Collect Data and defend against waves of enemies seeking to banish you. Enjoy the adventure in Singleplayer or Multiplayer.

Shallow Sea Roaming$7.99

Find the secret treasure and explore the secrets of this mysterious island,and there are a large number of enemies on the island.You need to use your courage and scientific knowledge to survive on this island,And find a way to leave this island!

Novus Inceptio$19.99

Warning: This is an Early Access game! Welcome to an enigmatic world, where a new gaming experience in exploring, building and surviving is waiting just for you. Experience a sandbox world with survival elements, and join us in creating a full version of the game.

Draconia$19.99

Create your dragon, customize it, level it. Explore the world of Draconia and unravel its story. Draconia is an MORPG where YOU play as the dragon!

Life is Feudal: Your Own$19.99

Hardcore and realistic; LiF is a Medieval multiplayer sandbox RPG, with free terraforming, a rich crafting system and preset and modular building construction. With engaging survival aspects, no target physics-based combat and a unique formation system - along with numerous other features - LiF is not for the faint of heart!

Rebellion Against Rebellion$14.99

Dive into the indie MMORPG, Rebellion Against Rebellion! Embark on a magical journey in a world of enchantment, shaped by mystical crystals. Acquire magical abilities, collect characters, and pets on epic adventures! Join now for an uplifting, enchanting experience!

Crea$14.99

Progress with every slain monster, learn over 80 skills through talents, craft hundreds of items, and explore vast procedurally-generated worlds in this ever-expanding sandbox RPG!

Realms of Magic$19.99

Embark on a journey through the Old Kingdom in Realms of Magic - a sandbox RPG where you customize your character, choose your path, and immerse yourself in the fantasy world as a knight, wizard, miner, lumberjack, farmer, and more. After all, this is YOUR adventure.

Cultivation Tales$19.99

Cultivation Tales is an open world survival craft online game. You will experience collecting, crafting, hunting, fighting, building, researching, in a wild mythical world. Fight for your clan and yourself, from mortal to divinity!

FURTIVE$4.99

Prisoners of war, your team was captured but on the run on a large military controlled island. Explore, gather resources, build a shelter and survive the dangerous military presence on the look out for your team in this epic first person, multiplayer, open world, survival adventure.

Grace Online$14.99

Grace Online is a 3D fantasy MMORPG featuring an immersive experience that allows the players to forge their own paths through exploration and discovery.

Astrometica: PrologueFREE

Astrometica: Prologue is the free game about surviving in space. You need to use your skills and tools to stay alive. There are many challenges to face, and you need to fight to survive. You also need to build a new base in space.

Guns and RobotsFREE

Guns and Robots is free to play online third person shooter. The game brings robot action with massive customization. Players get cartoony bright 3D graphics in attractive environments and challenge each other in open arenas.

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.

Deuterium WarsFREE

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.

Total Miner$2.99

Total Miner is an open world voxel sandbox game. It is primarily designed for creative RPG game builders, but also has two action/adventure style game modes where you can just jump in and play.

Medieval Towns$19.99

A multiplayer game in medieval setting about survival, diplomacy, building of towns and conquests. Try to survive in wild nature, gather resources, create or join guild, build town and fight for glory or resources!

CrossWorlds: Escape$11.99

CrossWorlds: Escape is a hardcore game in which you will have to deploy all your skills to survive in a huge open world that is susceptible to changes in weather, seasons and various natural phenomena.

StarMade$14.99

The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!

Len's Island$29.99

Discover, survive, and thrive in Len’s Island, where intense dungeon crawling meets open-world action RPG. Master skill-based combat, craft powerful items, build and defend your homestead, and find solace in farming. Your journey, your destiny.

BadLads$12.99

BadLads is a neo-noir multiplayer roleplay game centered around each player having their own job. Cities are ruled by President. Civilians are assaulted by Gangs and protected by Police. Adventure, collect, craft, base build, gamble, socialize, overthrow, customize yourself and your belongings.

Walking Zombie 2FREE

Zombie singleplayer shooter in modern polygon graphics with rich RPG elements.

Cube Island$0.99

Cube Island is a survival game on a tropical island that is made up entirely of cubes. Choose a character, get resources, search for treasures, build shelters to protect yourself from predatory animals and cannibals. The cube island is waiting!

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.

Retreat To Enen$24.99

Base building simulator 1500 years in the future. Journey to the Island of Enen to forage, craft, build, hunt, meditate, and explore across three vast biomes. Discover secrets and create the retreat of your dreams. With over 160 unique items to gather, craft, and build, every home will be unique.

DreamScapes DimensionsFREE

A free to play, medieval fantasy, MMORPG. Pre-Alpha | Solo Indie | Versatile Character Creation | Tutorial Quests | Harvesting and Crafting | Skills and Spells | Player Building | Procedurally Generated Random Adventures | Daily Gifts

The Isle$19.99

Experience fierce open world survival gameplay as you attempt to stay alive on an unforgiving island inhabited by dinosaurs! Hunt. Grow. Survive.

Forager$19.99

The highly popular and quirky "idle game that you want to actively keep playing". Explore, craft, gather & manage resources, find secrets and build your base out of nothing! Buy land to explore and expand!

Re.poly$14.99

Build on what was once and defend it with your life. Survive the wild and defeat the evil, alone or with friends in a wonderful poly world.

8BitMMOFREE

8BitMMO is a retro-style 2D massively multiplayer game! It's a giant construction sandbox -- you can build a home or a castle in a persistent streaming world. Found and manage your own city. Fight evil LawyerCats and engage in Player vs Player battle.

Reign Of Kings$9.99

Struggle to survive in a harsh medieval world. Hunt wildlife, mine resources, build structures, and craft weapons and armor in order to protect yourself. You may form a guild, bring war to all opposition, and try to seize the throne and become king!

Block Story™$4.99

There isn’t much better than a wide open game world in which you have essentially no limits and can alter the very landscape in which you play – that is, unless you add dragons, of course…

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.

BattleRushFREE

Free-to-play multiplayer action game in the entourage of the Second World War with total destructibility of the environment. Enjoy full freedom, build a defense, create your army, crush the enemy.