Games like NECROSYNTEX

S.P.A.T. is a thrilling action game that can be played solo or with up to two players in co-op or multiplayer modes. As part of a bad-ass ghost-busting squad, players will wield customizable weapons and gadgets to take down nightmarish creatures like Bigfoot, werewolves, wendigos, and witches. The game features chilling local legends, random scares, and naughty humor, providing an immersive and exciting gaming experience.

"World War Z: Aftermath" is a co-op third-person shooter game based on the film, where players battle swarms of hundreds of zombies in fast-paced gameplay across various locations worldwide. The game features a new first-person mode and gore systems for satisfying action. Humanity is on the brink of extinction, and players must band together to defeat the horde and outlive the dead.

"Survivors of the Dawn" is a run-based roguelite bullet heaven where you face off against quintillions of alien hordes with strategic sci-fi weapon-item synergies. Die and level up to unlock power-ups and max out weapon classes, while leading invader hordes into extinction in different areas. The newly available Bleumer update introduces a new character, critical weapon-item decisions, and challenging hazards in a new biome.

"Earthfall is a Science Fiction Shooter game with single-player and multiplayer co-op modes for up to 4 players. Battle an extraterrestrial invasion in the Pacific Northwest using futuristic weaponry and deployable barricades. Experience tense, procedurally generated gameplay and a well-crafted story across 15 levels."

In "Trident's Wake," players explore a vast, derelict spaceship and fight off alien threats in a narrative-driven, tactical combat experience. As a member of a small team of elite operatives, they must uncover the truth behind the ship's demise and survive its hostile inhabitants. With a range of customizable weapons and abilities, players must strategically approach each encounter to ensure their team's survival.

In Knights Within, humanity battles to survive against dominant wraiths using advanced technology and powerful gear. Players undertake procedurally generated missions, facing escalating challenges with randomized modifiers that keep each run unique. Customize your class and team up with friends to fend off relentless enemy hordes and protect mankind.

"Guns n Zombies" is a thrilling post-apocalyptic game where you fight against hordes of robotized zombies infected by a nano-virus. With a variety of weapons, special abilities, and turrets, you'll embark on a dangerous journey through a randomly generated gameplay. The survival mode allows you to challenge yourself and compete with other Steam players, all while experiencing a true post-apocalyptic atmosphere.

In Solstice Chronicles: MIA, players navigate a dead colony on Mars as a corporate marine with an insurgent drone as an ally. The game features challenging twin-stick combat against mutants and other enemies, and requires strategic decisions to manage threat levels, scavenge for supplies, and upgrade weapons. The goal is to survive and uncover the colony's dark secrets.

In Ultimate Zombie Defense 2, players must survive relentless waves of smarter and deadlier infected by building fortified bases using military-grade defenses like fences, turrets, and mines. Customize your arsenal by purchasing and modifying a wide variety of weapons with tactical attachments. It’s a high-stakes fight to save humanity from total annihilation.

"Hardcore Mecha" is a 2D side-scrolling action game with mech combat. Players can customize their mechas with various weapons and abilities, and engage in intense battles in single-player campaign or multiplayer modes. The game features a thrilling story of war, camaraderie, and betrayal in a world on the brink of collapse. However, the game has been criticized for its steep learning curve and lack of tutorials.