Top similar games like Office Nightmare:

MADDMADD is a third-person run-and-gun boomer shooter with fast-paced movement, beautiful giblets and a comedic tone. Blow stuff up in your tank and then get up-close-and-personal with your boomstick!

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.

Nailcrown is a savage dark-fantasy boomer shooter packed with high-velocity gunplay, brutal melee action, and a dynamic gore system. Explore the dark environments and wield a deadly arsenal, while taking down a horde of accursed enemies. Fast, violent, and unapologetically old-school.

Death Scourges is a single-player action survival horror game. Infiltrate the Blackwood Research Facility after a catastrophic outbreak, fight through infected enemies, manage scarce resources, and uncover the truth behind the incident.

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

Sharpen your machete and grab your friends. Arizona Sunshine® brings its award-winning zombie apocalypse to explosive third-person action, featuring online and split-screen co-op, brutal combat, dark humor, and Buddy, your loyal zombie-chomping canine companion.

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.

Battle your way through the dense zombie crowds as you struggle to survive! Inspired by classic zombie movies and FPS games from the 90s, the overwhelming combat will keep you on your toes!

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?

BRUTAL First Person Shooter focused on action, gore, and exploration. Fueled by adrenaline-pumping trap-metal soundtrack.

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

BRUTAL shooter focused on action, gore, and old school death metal music. Unleash your overpowered arsenal to goreblast hordes of ferocious beasts on your way through ancient dark forest.

Imagine you went to the crapper, and emerged an hour later to a monster apocalypse! Retro first-person shooter action inspired by 90's classics! Old-school deathmatch & co-op!

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

Enter a retro-futuristic nightmare of failed human augmentation. Fight relentless hordes, earn Bio-Credits, unlock quarantined facility sectors, and eradicate the grotesque experiments NeuraCorp left behind.

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.

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).

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.

A third-person action game from beyond the grave. Wake up dead and explore multiple levels, hunt for hidden items, and smash undead corpses out of your way. Inspired by TeamSesh as a love letter to the team and the fans.

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.

BLIMBLAU: KILL THEM ALL! is a fast-paced retro FPS where hordes of modified humans stand in your way. Shoot, destroy, and kill them all without mercy.