Top similar games like Underground:

Fight for survival in the horror FPS "Days End" amid the Xonobia Virus outbreak. Confront terrifying zombies, find weapons, and uncover chilling secrets. Thrills await!

Herd 'em up, Mow 'em Down! Mindless Carnage, fast-paced action. Apocalypse: Floodgates is a Third-Person Zombie Horde Shooter featuring post-apocalyptic weapons and deadly traps. Play online with up to four friends or play alone and see how many zombie waves you can take down.

Zombie In Town is an action packed tower defense game in which you play as a boy who tries to defend his town from zombies invasion.

Welcome to "Return: Unknown," a survival-adventure game set in a post-apocalyptic world of Manhattan. A metropolis abandoned by civilization, offering both challenges and countless opportunities.

It's a game that realistically expresses the dark feeling of the end of the century, set in a place that has turned into a place full of zombies and bizarre creatures. You don't have to go through a lot of learning to experience the cool play. Sweep away a swarm of zombies running from all sides.

Take on the role of a man forced to take down the Hive-mind that has taken over the world - One monster at a time.

Project Three is a fan-made non-canonical sequel to the well-known Half-Life series, even though it has the T-Word in the title, more precisely it is a number less than 4 and greater than 2, it has nothing to do with Marc Laidlaw's epistle 3, nor is it a sequel to Half-Life 2: Episode Two.

The world awakened in hysteria - a severe infection has spread, zombifying people. Panic is everywhere and all you have to do - is to survive and find people who survived too. You have to fight your way through crowds of zombies and find the refugees who managed to escape.

Destroy enemy waves one after another using an extensive range of weapons as you attempt to save the town from invasion! Improve your arsenal, level up, find the cure and witness some hot adult action! 🔞

Disaster Plan Z is a hardcore single-player shooting survival game set in a post-apocalyptic world. Players need to utilize various weapons along with their unique skills, construct different buildings, and continuously upgrade to resist the invasion of countless zombies and mutant creatures.

Take part in heart-stopping first-person action with waves of ravenous zombies. Use your weapons wisely, keep your ammo count at bay, and stay focused—all decisions are literally matters of life and death.

A game in the genre: First Person Shooter, RPG, Puzzle. You'll have to walk around the building to get essential items. Also you have to save battery charge because it runs out very fast. And the worst thing you'll face with is contaminated which is far more dangerous than zombies!

Explore a secret NCIS facility and discover its dark secret. Take on the role of the XV-11 unit and face hundreds of enemies in a dark sci-fi shooter inspired by old school hits!

Monster Master makes RTS fight versus FPS. Be the horde or survive together in this asymmetric reverse horror multiplayer

Two cats were abandoned by their owners, and now they must run for survival. Escape from enemies and evade them with your cat speed! Find your way to a better place in this very hard survival game!

Action adventure thriller "Against Death: dead-end road " takes place in the harsh world of the beginning of the apocalypse due to an unknown virus. The John Carter is a former military man, and now a simple biker who is in search of himself.And this day was supposed to be the same...

You must find two items in a land of Aliens. Use stealth tactics and a weapon to complete your mission.

The Isle of No Return takes you to a forgotten prison island, where a dark experiment has unleashed unimaginable horrors. Explore, survive and uncover hidden secrets as you face bloodthirsty creatures in an environment where every step may be your last.

Survivor of a post-apocalyptic world, the dead have returned to life to make you regret still being among the living. Moreover, their hearing has evolved, and every sound they perceive makes them stronger. A small piece of advice: I think you should stay discreet!

Explore the eternal void.

"The Last Farmer" is not just a tale of survival; it's a journey of restoration. Amidst the sprawling deserts of a forgotten Texas, your farm becomes a symbol of hope and persistence.

A police detective returns to his abandoned hometown, where he must confront his past and an unsolved case draped in shadows. Follow Peter Bennet through a first-person, puzzle-solving game with mild horror elements, and explore the mystery and heavy atmosphere of Westwood Shadows.

Destroy the hordes of zombies that never seems to end in this endless arcade game! A creative modern twist on fantasy characters. Easy to learn with simple mechanics. Do your best to survive! Collect coins and buy new weapons and first-aid kits on The Merchant.

Alan Rogers, who survived the zombie apocalypse since childhood, thanks to the invention of serum against the virus, follows a new order, allowing to seize any real estate if it is cleared of undead and goes to one of the three-storey mansions by the ocean to take possession of it.

HUNGER is a PvPvE first-person horror extraction shooter and slasher with RPG elements. Survive Napoleonic Europe in the aftermath of the Bacterium. Choose a unique survivor to venture out, quest, scavenge, fight, and prevail.

A stranger, who awakens in a room with no recollection of how they got there, soon discovers they're pawns in a deadly game perpetrated by a notorious unknown person.

NO MORE HUMANS is a top-down single player wave based shooter, where you play as one of the unique survivors slaying and surviving waves of nightmarish enemies. Choose and modify your weapons and defeat fearsome bosses across different environments. Will you survive or die with the world?