Top similar games like Office Nightmare:

Death Scourges is a dark third-person shooter where you command a special strike team sent to clean up a collapsed research site. Eliminate threats, destroy evidence, secure samples, and escape a horrific underground nightmare.

So.... got what it takes to be a X Slayer?!?... 7 weapons, blood and gore, twisted music by Seepage & Psyko Syndikate, and maps where you can blow up everything. its awesome. started making it in 1998 in high school with my friend and now im 37, so i have life experience now.

Classic survival horror reimagined with a retro look and modern feel, set in a top secret underground research facility in Antarctica.

Grab your sawed-off, cast some sigils, and face the never ending nightmare head on in Venison County. Blast your old neighbors into undead venison giblets, master weapon specific active reloads, and limitlessly combine slain cultists' sigils for their sinful buffs (if you can withstand God's wrath).

COVEN is a hyper-violent retro FPS where your path of vengeance will take you across time and space. Destroy your enemies and eat their flesh.

One Last Toast is a single player retro-inspired action horror game set in a Venetian villa. Explore the intricate interiors, solve puzzles and battle relentless zombie hordes to reach the heart of the curse trapping you in this haunted estate.

Experiment 28 is a PSX-style survival horror game set in a research facility crawling with the undead. Inspired by classics like Resident Evil and Silent Hill, it features tense exploration, puzzle solving, relentless hordes of the undead and co-op for up to 4 players.

Survive the apocalypse with friends in Escape Z. Fight and plan tactics to face hordes of zombies. Choose your character, map and prepare. Survival is your only option.

Zombies Must Die is a gloomy retro FPS featuring dozen handcrafted levels, a lot of zombies, and deadly weapons (crossbow included!). Do you aim good enough to headshot them all?

Limitless Hunger is a high-adrenaline retro FPS single-player experience.

Blast through zombies in this classic wave based shooter. With three maps to make your last stand, how long can you survive?

There is no escape. The only end is death. Stay alive as long as you can, run away from monster, complete floors full of enemies and challenges.

Astro Ike is an exhilarating single-player, third-person zombie wave shooter that will immerse you in an intense battle for survival. Step into the shoes of Astro Ike, a fearless protagonist, as you face relentless waves of zombies. The challenge awaits—how long can you endure?

Challenge yourself or team up with friends to battle the Virix virus outbreak in fast-paced, real-time horde extermination. Grow stronger together and survive the swarm.

Death is only the beginning. Crawl from your grave and gear up to fight your way through the ranks of a mysterious and twisted cult. You, your guns, and your dynamite will have to shoot, slide, blast, duck, dodge, and maybe throw a gib or two to survive in this old-school-inspired shooter.

Trapped in a decaying prison overrun by the undead, you must fight, scavenge, and survive. Undead Sentence is a retro-style survival horror FPS with brutal combat, atmospheric levels, and zero forgiveness.

Take control of a powerful steel mech and smash crowds of zombies to pieces with driving heavy metal! Zombie Murder 3 is a new part of the Top Down Shooter game with a bunch of levels, bosses and upgrades.

Project Retrograde: The becoming is a narrative-driven action adventure set in an underground world devastated by the ancient parasite L.U.C.A. As a bounty hunter symbiotic with a mysterious parasite. Explore ruined civilizations and uncover the truth behind cataclysm.

You wake up as an army soldier in the middle of a mutant apocalypse, trying to figure out what the hell happened and blasting some heads on the way. Deadshot is a retro styled first person shooter inspired from classics like Half Life, Doom, Quake and many alike.

Explore the gloomy rooms of a sci-fi base as a doomed marine, the sole survivor of the portal experiment. Save humanity as you did in the 90s with your trusty shotgun, make your way through ominous corridors inhabited by the shadows of sinners and evil spirits.

Collect crazy power-ups, upgrade your weapons into tools of destruction, and escape from the robotic zombie horde - alone, or with friends.

A place where wishes come true! You just need to protect the obsidian portal from zombies. Mine resources with your pickaxe, build traps, and put them to use — let them grind the zombies into a juicy green porridge! Funny meme endings!

Multigun an fps where you have one gun that shoots multiple ammo types and you must use the ammo in the order that it is collected. Plaguetrix fmv game where you walk forwards through a real video

A survival horror PvE and PvP set in 1920's New York City! Team up with up to two others, or go in alone, and search creature-filled semi open-world map for arcane clues that lead you to a lucrative Bounty. Featuring permadeath consequences, only the best hunters will make it out alive..

A first person shooter that sets you far away, near death.

Within the rural town of Oakview, students are vanishing. One is Amy Morrison, a troubled friend of yours. People say she made a pact with something in the vents of the school. Unravel the mysteries surrounding the town's past, survive the supernatural trauma, and search for traces of your friend.