Top similar games like Nightmare Simulator:

Zombie Playground is a single player or coop online, action arena game with RPG elements. The game combines childhood nostalgia with horrific monsters, visceral combat, and a unique atmosphere straight out of a child’s nightmares.

Infernax is the adventures of a great knight who returns to his homeland only to find it plagued with unholy magic. Uncover the mysteries of the curse and face the consequences of your actions.

Age of Barbarian Ex is an action hack 'n 'slash game inspired to 80s, fantasy and sword-and-sorcery genre. Muscular barbarians, scantily clad girls, hordes of bloodthirsty monsters, a lot of gore, a pretty epic story and an addictive soundtrack! What's best in life?

A long forgotten kingdom found inside the mountain of Moor were sealed off a long time ago, but no one really knows why. Delve deep into the mountain and discover what really happend beyond the moutain walls.

Enter the Chaos-infested Caligari Sector and purge the unclean with the most powerful agents of the Imperium of Man! W40k: Inquisitor – Martyr is a grim Action-RPG featuring multiple classes of the Inquisition who will carry out the Emperor’s will.

A primitive god in ancient Greek mythology who controls time, is resurrected in the virtual world, Inspired by "The Matrix" and "Deadpool" (remember,the slower you move the slow time goes）

Defeat your enemies , take their body parts to replace yours and become another strong boss yourself.

Devilated is a timeslowing, monster blasting, old-school shooter with RPG pretensions, buckets of blood and a dose of ultraviolence.

A retro action martial arts game inspired by classics, like Kung Fu Master and Shinobi with modern elements!

Join the amazing adventure of Hayashi in an incredible ninja universe with legendary clans, ancient dragons, incredible ninja wars. Help our hero bring peace once again to these troubled mystical realms.

You are a deep space salvage hunter who discovers the remains of the Starship Carpathian, thought to have been destroyed 50 years ago. You’ve hit the jackpot. The data core housed in the ship’s AI will be worth a lifetime of credits on the Black Market, so you dock with the ship to retrieve it.

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.

Within the Cosmos is a single-player first-person sci-fi RPG. You awaken from cryogenic sleep, and shortly after, you and your crew get attacked by an unknown enemy. As you explore multiple planets to try to find answers, your choices and actions will determine how the story unfolds.

Survive the wilderness, build a home, raise a family, and expand your territory. Gain power as President, deliver justice as Sheriff, fight for your tribe as Chief, or show some southern hospitality as Governor. Begin your new life in 19th century America.

Explore the land of Sulnas as the "Shadow of Death", a cat girl who's dauntless and fierce. The land is poisoned by secret power and desperately needs salvation. Can you save it from its sure demise or will you doom its fate like everyone else would?

You'll play as a survivor in a world overrun by zombies. Explore and interact with other survivors, making tough choices about whether to help or exploit them. Defend against zombies, collect resources, craft, and fortify your shelter. Use strategy to escape this world and return to safety.

Hunt, or be hunted - W.A.R. is a Survival Sandbox with many features. Play survival your way: Hunting Zombies, Crafting recipes, Procedural cities, Fortifying Buildings, Player Traps, Base building with multiplayer survival!

Guide Elden on a mission across a blighted land to save their mother from ancient horrors. Engage in brutal, technical, combat and master eldritch magics as you walk the Forgotten Path.

Strike Team Hydra is a turn-based, tactical RPG that focuses on combat. Players will have to leverage morale, cover, special skills and suppressive fire to defeat a fearsome and ruthless alien enemy.

Explore the secrets of a mysterious fallen temple and put your Templar faith to the test in Dark Devotion, where no sacrifice is too great in praise of your God.

Co-op action role-playing comedy in a sci-fi multiverse. 3-5 hour campaign, 1-4 players online! Badass abilities will have you wreck havoc with physics and mass destruction. The best vikings use their limited energy to efficiently wipe out hordes of enemies. PvE MOBA-style hack-and-cast!

The Big Day has arrived. Blast your way through the apocalypse in this bloody pixel-art ARPG, riding through the ruins of the last days on Earth following a devastating zombie outbreak. Uncover the truth behind the crisis, find your missing daughter, and blow holes in every zombie who crosses your path!

In this unique 2D world, you will partake in the story of a "Spirit Warrior" who is seeking to become THE Greatest Warrior ever. In order for him to fulfill his destiny he will 'transcend' time, worlds and even dimensions, to test himself against the strongest warriors to ever live...

*14 to 16 hours of fun! if you get every achievement!* *DESTRUCTION INVADES! * -The Dark elves and the elves need to join forces or they will be doomed! God Sends the Templar order to help!-

Take the ultimate quest and discover the secret of the Waxworks! Embark on the fight of your life as vicious creatures, and mutants are ready to rip you apart. This gory horror game has no mercy and dares you to enter its ghastly world. Will you rise to the challenge or die trying?

Purge the ancient deeps of the world, combating the corrupted and the demonic alike. Forge the powerful tools of your trade and craft deadly alchemical recipes to aid in your destruction of the demons that lurk in the darker parts of the world. Let the hunt begin.

Dolmen is a terrifying new action RPG that combines futuristic Sci-Fi and Cosmic Horror elements. Will your timeline be erased or will you defeat your enemies to survive and fulfil your mission?

bitDungeonIII is a 2d action adventure game with rogue-lite elements. Randomly generated overworld and dungeons. Make allies with other players or kill them for their precious inventory items. Discover random items that greatly enhance and affect your character.

Awesome shooter adventure about the Mutant Bear with a Gun!!!

ShyChess is a puzzle game where the ShyGirls must cross through chessboards avoiding dangerous zones, marked by thechess pieces attack patterns. Go through room to room while discovering more about the ShyGirls history, escape with as many of them as you can.

This is a side-scroll action game where players can control a character, use tricks, weapons, skills, destroy traps, kill zombies. The protagonist has rich sound effects, voice.

A dark fantasy action adventure where you unbury a tale of intimacy and violence in order to cleanse a demonic infestation from a once-beautiful land.

A secret city existed where unknown bioengineering experiments were conducted. The city was filled with scientists, engineers, and mercenaries serving the interests of a shattered syndicate now competing for control of City. The area has become a warzone, harboring unspeakable horrors.

Welcome to Torn Earth. Take a journey through post epidemic earth avoiding dangers while being actively hunted for being immune to the devastating virus.

“Rending Sky” is a 2D side-scrolling action game with lifelike pictures and exciting stories. It not only retains traditional arcade characteristics, but also creates a wonderful Boss combat system,optional characters, grand scenes, and dramatic stories, which will bring you novel experience in a familiar way.

It seemed to be a normal day at Gray Bay. While law student Lisa was doing her part-time job in a pizzeria, an experimental project had made great progress in a research facility on the other side of the city, but later it was not proceeding as the researchers were expecting...