Top similar games like Cepheus Protocol:
Cepheus Protocol $19.99
Cepheus Protocol is an Open World RTS Military Survival Game. Play as the CERC hunting Patient 0, maintain Quarantine camps, fight dangerous mutations & Rogue Civilian Combatants . There’s nobody else coming, it’s up to you now.
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PolyZ$5.69
Imagine DayZ mixed with Escape From Tarkov, but in Low Poly. A persistent world survival game featuring PvP, PvE, crafting, base-building, and zombies infected with a contagious virus.
Project Zomboid$19.99
Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die? All it takes is a bite..
Invasion Machine$18.99
Modern-warfare RTS/sandbox game inspired by the real conflicts in the Middle East. Fight a counter-insurgency war, protect the civilian population, casevac your wounded and decide how the world sees your struggle. And remember - no one gets left behind.
Kingdom Wars 4$19.99
It's 1347, the time of the Hundred Years' War. In this historical grand strategy and RTS hybrid you play as one of 200 minor lords across medieval Europe, Africa or Middle East. Rise up to take over your Kingdom and be crowned, then fight to preserve your empire as Black Death descends on Europe.
No One Survived$16.99
This is a multiplayer cooperative open world construction survival sandbox game, where you and your friends must find supplies and build shelters in this world. You have to keep an eye on your character's needs state at all times, a bad state is likely to lead to death.
The Last Haven$19.99
The world after a nuclear war. Manage the settlement, learn technology, make decisions, produce weapons, ammunition, organize defense, raid for supplies on other areas, do not let residents die, survive the nuclear winter.
Zelter$19.99
All the horrors of zombie apocalypse in adorable pixelated form! Craft, explore and rescue people in a city overrun by the zombie horde. Good luck, survivors!
Steel Covenant 钢铁盟约FREE
"Steel Covenant" is a 3D real-time strategy game. The game is set against the backdrop of World War II. Players can transform into Allied or German commanders, commanding multiple units to participate in battles
Plague Inc: Evolved$14.99
Plague Inc: Evolved is a unique mix of high strategy and terrifyingly realistic simulation. Your pathogen has just infected 'Patient Zero' - now you must bring about the end of human history by evolving a deadly, global Plague whilst adapting against everything humanity can do to defend itself.
最后的巫后：众王纷争的年代 Witch Queen$7.99
Individual independent development Witch Queen is a lightweight storyline oriented rts game that is based the dark ages of the fantasy world of Isefaia. In here, Build countries, explore the continent, witness the endings of the Wizards, and learn the truth behind the story.
Castle Story$9.99
Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.
Eclipse Horde$8.99
"Craft or die" It's up to you to decide. The solar eclipse will come 30 days later. Can you survive the raid of the day? The sandbox and survival crafting game where you can do everything you want.
Villager comes alive$4.99
building up you own village and defend it
The Kingdom of God$9.99
The Kingdom of God: Creation is an independent game integrating territory management, resource management, strategic chess and exploration. As a new God, players develop their own country in the dangerous universe and eventually become the king of the new generation of gods.
Maia$24.99
Maia is a colony building game set in the not-so-distant future. Your colonists make planetfall on a hostile world and you must ensure their survival and their safety, constructing their off-world habitat from almost nothing and sheltering them from a dangerous, often deadly environment.
Act of Aggression - Reboot Edition$29.99
Act of Aggression – Reboot Edition brings the techno-thriller RTS game Act of Aggression to a higher level. The Reboot Edition offers a full gameplay overhaul in skirmish mode against the AI and in your multiplayer battles.
Zombo Buster Advance$4.99
Zombo Buster Advance is a tower defense game taking place inside buildings with interchangeable elevators. Deploy, swap and shoot like a boss!
EndZ Village$11.99
EndZ Village is a 2D post-apocalyptic zombie survival game developed by DEVCLIED. This 2D survival game immerses you in a post-apocalyptic world infested with zombies, where humanity is fighting endlessly against the constant onslaught of infected zombie hordes.
Girl Survivors$4.99
Girl Survivor is a survival, construction, and role-playing game with a zombie themed background.
Door Kickers 2: Task Force North$24.99
Command military Special Ops Teams in gripping tactical combat against a Middle East-based terrorist network. Sequel to RockPaperShotgun's "Best Tactics Game of 2014".
End War RTS$2.99
Inspired by modern science fiction! A modern real-time war game, the screen is in the style of realism, the fast-paced attack effect is easy to fatigue, easy to use and simple to operate, mainly in the traditional style
No King No Kingdom VR$9.99
No King No Kingdom VR – First-Person Strategy Game. Ride Dragons! Command peasants! Build towns! Raise Armies! Tame Epic Creatures! Take your own sword and fight side by side with your troops against powerful giant bosses!
Firebase Defence$3.99
Firebase Defence is a new spin on the traditional tower defence gameplay. You have to defend yourself from the waves upon waves of incoming enemies. You are free to build, place and manage your available resources and units in any way you want. But failing to balance those will result in defeat!
Terminal squad: Swarmites$3.99
Terminal squad: swarmites is a game with indirect control where you must erect a chain of buildings, which generate resources for construction or the combat units for destruction of an enemy.
Kenshi$29.99
A free-roaming squad based RPG. Focusing on open-ended sandbox gameplay features rather than a linear story. Be a trader, a thief, a rebel, a warlord, an adventurer, a farmer, a slave, or just food for the cannibals. Train your men up from puny victims to master warriors.
Oxygen$14.99
Oxygen is a survival city builder. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and more importantly keep the Oxygen Center running!
Fate of the World$9.99
Fate of the World is a dramatic global strategy game that puts all our futures in your hands. The game features a dramatic set of scenarios based on the latest science covering the next two centuries. You must manage a balancing act of protecting the Earth’s resources and climate versus the needs of an ever-growing world population, who...
Call to Arms$14.99
Call to Arms offers an innovative mix of real-time strategy and 3rd, as well as 1st person controls. Set in the time of modern warfare, the game offers realistically modeled vehicles and heavy weaponry. Command your troops to victory or fight by yourself in the 3rd or 1st person action mode.
Junk Survivor$16.99
Junk Survivor is a zombie post-apocalypse game where you loot, craft, build and farm in a struggle to survive. With a vast map to explore, a robust skillset to unlock this customizable sandbox awaits the adventurer. How long before you die!
Judgment: Apocalypse Survival Simulation$19.99
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
BiteVille$6.99
The world has fallen victim to a deadly virus, zombies now roam the lands. While running for your life you stumble upon a small city. Claim this city as your own, protect it with your life and maybe other survivors will find you.
7 Days to Die$44.99
7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits!
Mist Survival$10.99
MIST SURVIVAL is a Single-player, survival stealth sandbox game Players will experience the Apocalypse stimulation in the form of virus pandemic, the players have to deal with it to survive through the difficulties such as finding shelter and food, threats from the environment and climate: wild animals, bandits, infected, and dense mist t
Jaws Of Extinction™$19.99
The island of Eden-Nadir, has fallen to a vicious mind consuming fungal parasite. Fight through the ashes of humanity to track down the truth behind the infection as one of four playable survivors before the outbreak spreads throughout the world.
30 days to survive$5.99
"30 days to survive" - the game is going day, in a world where there is a zombie Apocalypse! The protagonist has to survive 30 days on a randomly generated map full of dead.
The Infected$15.99
The Infected is a survival crafting game set in an open world sandbox. Build your base defend and protect yourself from wildlife and infected Vambies. (Hybrid Vampire-Zombie)
Gunsmith$19.99
Build up your own arms manufacturing company. Find your factory, buy resources, produce a wide range of military equipment to sell to the highest bidder. Good or bad? That's up to you, who you do business with is your choice. Don't ask, don't tell, get paid. After all, war is about making money.
Space Haven$22.99
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Going Medieval$24.99
Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.
Foundation$34.99
Foundation is a grid-less, laidback medieval city-building game with a focus on organic development, monument construction and resource management.
Dead Matter$19.99
After a rampant viral outbreak causes global society to collapse, you must survive the harsh wilderness of the Canadian Rockies amidst vast hordes of Infected and rival survivors.
The Survivor$0.99
Welcome to the world of "The Survivor", hit by unknown virus which has wiped out most of the world's population. You are one of the few that have survived (stalkers) and now you must to fight for your life against what is left of the indigenous population now infected with the disease.
Asha Empire: Exodus$14.99
Embark on an action-packed journey in Asha Empire: Exodus. As Commander Rexis or Kyra, explore 6 sectors of the Sirina moon, collect vital databanks, and face rebels and mutants. Navigate intense battles and strategic challenges to ensure the Empire's survival.
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
Ultimate Epic Battle Simulator$14.99
Here is a sandbox like no other. Create massive battles with absolutely no limits. Want to see 10,000 chickens fight an army of Romans?? Sure, why not. Want to see a company of WW2 U.S soldiers fight 11,000 Medieval soldiers?? There are simply no limits to the carnage you can achieve in UEBS.
Among Trees$14.99
Escape to an enchanting, living sandbox surrounded by wildlife and nature. Scavenge materials and craft tools to turn your small cabin into a warm, well-supplied home. Survive by fishing, cooking and growing your own food. Be careful though, the forest is as dangerous as it is wonderful.
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.
Invasion 2037$9.99
Become a survival scientist in a savage post-apocalyptic world where aliens have the control of the world and find a cure, manage your shelter and fight to survive
Exo TD$19.99
Exo TD is a true 3D space Tower Defense. Invaders have scouted your planet as their next target, you must protect it by building destructive turrets, orbital defenses, shields, drones and more to defend against the incoming invasion force.
Shadow Tactics: Aiko's Choice$19.99
Aiko's Choice is the anticipated standalone expansion to the acclaimed stealth strategy game Shadow Tactics. Set in Edo Japan, you take control of the skillful kunoichi adept Aiko and her deadly assassin friends to hunt down the ghosts of her past.
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.