Games Like Serious Sam: Siberian Mayhem

Serious Sam 4 reignites the classic FPS series in a high-powered prequel loaded with an explosive arsenal, intergalactic carnage, and perfectly timed one-liners.

Why similar: FPS 27.2%, Shooter 20.4%, Co-op 17.1%, Action 9.7%, Multiplayer 9.2%

Why You'll Like It: It shares the same engine and core gameplay loop of fighting massive enemy hordes in expansive environments.

Serious Sam 3: BFE is a prequel to the original indie fast action FPS and Game of the Year sensation - Serious Sam: The First Encounter!

Why similar: FPS 26.3%, Online Co-Op 13.4%, Co-op 13.2%, Old School 11.5%, Shooter 9.7%

Why You'll Like It: This entry offers a more grounded, gritty aesthetic while maintaining the series' signature frantic combat.

Serious Sam HD: The First Encounter is a visually upgraded and fully Steam supported remake version of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS which was Gamespot's Game of the Year 2001 and which scored overall of 87% on Metacritic!

Why similar: FPS 27.7%, Shooter 13%, Old School 12.2%, Online Co-Op 11.3%, Co-op 10.1%

Why You'll Like It: This is the foundational experience for the series, focusing on pure, unadulterated shooter mechanics.

Serious Sam HD: The Second Encounter is a visually upgraded and fully Steam supported remake of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month!

Why similar: FPS 29.2%, Shooter 16.3%, Co-op 13.2%, Online Co-Op 12.3%, Action 9.3%

Why You'll Like It: It provides the definitive classic Serious Sam experience with updated visuals and relentless arena battles.

Painkiller Black Edition includes the expansion pack Battle Out of Hell, featuring 10 additional single-player levels and many new villains.

Why similar: FPS 19.5%, Boomer Shooter 18.8% ★, Shooter 13.8%, Demons 11.7%, First-Person 8.8%

Why You'll Like It: It is the closest spiritual cousin to Serious Sam, focusing on arena-based combat against overwhelming demonic forces.

Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.

Why similar: Boomer Shooter 48.6% ★, FPS 11.8%, Old School 11.3%, Shooter 9.4%, Horror 6.7%

Why You'll Like It: It is widely considered the gold standard for modern retro-shooters, featuring tight controls and a dark, atmospheric world.

A retro FPS for the ages! Once branded a HERETIC. Now YOU have been chosen as our champion! Reclaim our sacred weapons. Take back our ancient lands. If you can stand... AMID EVIL.

Why similar: Boomer Shooter 36.1% ★, Old School 12.5%, FPS 9.3%, Shooter 8.9%, Sci-fi 7.1%

Why You'll Like It: It captures the arena-shooter spirit of the 90s while introducing unique, magic-based weapon mechanics.

Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.

Why similar: Boomer Shooter 63.4% ★, FPS 15.4%, Shooter 8.4%, First-Person 3.4%, Action 3.2%

Why You'll Like It: It blends modern rendering techniques with the satisfying, gore-filled combat of 90s-era shooters.

Enter Paradise as Johnny Turbo—half-metal, half-human, all-murder machine. Clean up the streets with a chainsaw leg, 15+ weapons and your hovercar as you battle the rogue AI Syn, rival bounty hunters and cyberpunks aplenty. Apogee’s most outrageous FPS since Duke Nukem 3D. Good hunting, Sir!

Why similar: Boomer Shooter 55.2% ★, FPS 15.2%, Shooter 10.8%, Action 4.1%, First-Person 4.1%

Why You'll Like It: This title delivers an incredibly fast, stylish, and chaotic experience that matches the intensity of the Siberian Mayhem expansion.

ULTRAKILL is a fast-paced ultra-violent retro FPS that combines the skill-based style scoring of character action games with the unadulterated carnage inspired by the best shooters of the '90s. Rip apart your foes with varied destructive weaponry and shower in their blood to regain your health.

Why similar: Boomer Shooter 59.6% ★, FPS 15.6%, Shooter 8.2%, Old School 7.1%, First-Person 5.8%

Why You'll Like It: This game pushes the speed and precision of the boomer-shooter genre to its absolute limit with high-octane movement.

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.

Why similar: Boomer Shooter 47.5% ★, Old School 11.4%, FPS 10.1%, Shooter 8.8%, First-Person 5.2%

Why You'll Like It: It combines tactical movement and physics-based combat with the classic boomer-shooter aesthetic.

Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.

Why similar: Boomer Shooter 53.3% ★, FPS 12.7%, Old School 9.9%, Shooter 6%, Action 5.7%

Why You'll Like It: It offers a dark, challenging, and atmospheric experience that rewards aggressive playstyles.

3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, team up with Voidpoint to bring back the legendary Build Engine, famous for classic shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Fast-paced FPS combat across huge, secret-packed levels. Ion Fury is the real deal!

Why similar: Boomer Shooter 50.7% ★, FPS 12.2%, Old School 11.6%, Shooter 8.6%, Sci-fi 6.5%

Why You'll Like It: Built on the classic Build engine, it offers a polished, high-speed experience that feels like a love letter to 90s shooters.

Project Warlock is a first-person shooter that fans of Doom, Hexen, and Wolfenstein cannot miss. It serves you an exploding cocktail of bullets, spells, and monsters. Battle through 60 levels of non-stop action, packed with bloodthirsty enemies and challenging bosses.

Why similar: Boomer Shooter 48.4% ★, FPS 12.1%, Old School 9.4%, Demons 7.6%, Shooter 6.4%

Why You'll Like It: This game features a massive arsenal of weapons and retro-styled progression that appeals to fans of classic shooters.

Embark on a journey into the darkest nightmares to restore your sanity. Blast your way through hordes of possessed enemies, unlock an arsenal of deadly weapons and unearthly abilities, and get ready to face even more Lovecraftian madness in this action-packed FPS sequel.

Why similar: Boomer Shooter 40.5% ★, FPS 11%, Shooter 8.4%, First-Person 7.1%, Dark 6.8%

Why You'll Like It: Its Lovecraftian aesthetic and fast-paced combat provide a unique, dark twist on the boomer-shooter formula.

Serious Sam is a high-adrenaline arcade-action shooter heavily focused on frantic action. In a world where cyberpunk meets fantasy-fiction and advanced technology is mixed with black magic and psycho-powers, Sam travels through four beautiful worlds, confronting countless foes on his way to Mental's base.

Why similar: FPS 22.5%, Boomer Shooter 16.8% ★, Shooter 14%, Old School 11%, Co-op 10.5%

Why You'll Like It: It is an essential collection for fans who want to experience the roots of the Serious Sam formula.

Serious Sam II is a shot of adrenaline to the hearts of first-person shooter fans across the world. This is serious!

Why similar: FPS 21.7%, Co-op 12.7%, Shooter 12.5%, Boomer Shooter 12.2% ★, First-Person 9.2%

Why You'll Like It: This entry leans into a more colorful and arcade-like aesthetic while keeping the massive enemy counts.

Prepare for terror in this ground-breaking classic old-school FPS. Following the destruction of Time you are left to battle in this horrific hellhole of multilevel interconnected missions populated by gruesome grotesque creatures.

Why similar: Boomer Shooter 24.2% ★, Old School 14.1%, FPS 12.8%, Shooter 10.6%, Dark 7.7%

Why You'll Like It: This revival of a classic 90s shooter offers a nostalgic, fast-paced experience with modern quality-of-life improvements.

Blast through a cursed nightmare solo or with up to 3 friends. A retro-inspired FPS where looter shooter weapons meets boomer shooter chaos and rogue-lite elements.

Why similar: Boomer Shooter 49.8% ★, FPS 10.9%, Old School 9.5%, Shooter 7.9%, Dark 5.7%

Why You'll Like It: It mixes classic retro-shooter mechanics with modern looter-shooter elements for a highly addictive loop.

Serious Sam’s Bogus Detour is an all-new action-adventure in the legendary Serious Sam saga from Hammerwatch developer Crackshell.

Why similar: Co-op 41.1%, Action 40.7%, Multiplayer 18.2%

Why You'll Like It: While it shifts the perspective, it maintains the chaotic, horde-based energy of the main series.

Selaco is a brand new original shooter inspired by classics, featuring thrilling action set pieces, destructibility, smart enemies and a fleshed out story taking place within an immersive game world.

Why similar: Boomer Shooter 37.5% ★, Old School 11.9%, FPS 11.5%, Shooter 10.7%, First-Person 7.5%

Why You'll Like It: It features high-quality AI and tactical combat that feels fresh while maintaining the speed of a classic shooter.

You are humanity’s last hope to stop the Strogg, a hostile alien race waging war against Earth. Play this military sci-fi FPS, now upgraded for modern platforms with improved visuals, new campaign content, online multiplayer/co-op, and more.

Why similar: Boomer Shooter 37% ★, FPS 18.9%, Shooter 9.6%, Sci-fi 7.1%, Old School 6.6%

Why You'll Like It: It remains one of the most influential arena shooters, providing a blueprint for the movement and combat found in modern titles.

Viscerafest is a Sci-Fi Fantasy Singleplayer Arena FPS with minor Collectathon elements. Fight through hordes of aliens and eldritch monstrosities wielding a slew of powerful weapons, juggling your resources, and exploring over 23 intricately designed hand-crafted levels.

Why similar: Boomer Shooter 44.6% ★, Shooter 11.6%, Old School 9.9%, FPS 9.7%, First-Person 8.4%

Why You'll Like It: This game focuses on pure, chaotic arena combat with a heavy emphasis on gore and speed.

Zan and her orc sisters must fight to save their homeland from a demonic invasion! Immerse yourself in a sprawling underground world where the rich lore, exploration and puzzles of classic adventure games blend with the visceral combat of a 90s' shooter.

Why similar: Boomer Shooter 34.8% ★, FPS 10.9%, Old School 10.8%, Demons 10.5%, Shooter 10.1%

Why You'll Like It: It offers a unique blend of exploration, atmospheric storytelling, and intense retro-style combat.

Supplice is a stylish throwback shooter inspired by the mid-90s FPS glory days and the legendary Doom modding community. Mixing the retro stylings of 90s era shooters with colorful graphics and frantic gameplay, it creates an experience that's ever so familiar but also exciting and fresh.

Why similar: Boomer Shooter 55.1% ★, FPS 12.7%, Shooter 9.7%, Sci-fi 8.2%, First-Person 6.8%

Why You'll Like It: This title captures the fast-paced, Doom-inspired action that fans of the genre crave.

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.

Why similar: Boomer Shooter 39.3% ★, Old School 12%, FPS 9.7%, Shooter 8.4%, Horror 7.8%

Why You'll Like It: This gothic, horror-themed shooter provides a visceral and challenging experience for fans of retro-styled action.

Fight off Krampus on Christmas Eve, in a terrifying, double-barrel-wielding, jump-scaring, thrill ride!

Why similar: Boomer Shooter 23.8% ★, Demons 15.5%, Shooter 11.7%, Horror 11%, FPS 10.6%

Why You'll Like It: It blends horror themes with fast-paced action, creating a tense and exciting shooter experience.

Serious Sam Classic: The Second Encounter is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month February 2002!

Why similar: FPS 24.1%, Boomer Shooter 12.8% ★, Shooter 12.3%, Old School 11.7%, Action 9.7%

Action, mystery, and a chance for redemption await you in the gritty first-person action-adventure GRAVEN. Explore a dark fantasy world as a wrongly convicted man of faith. Battle the horrors of humanity, the wilds, and beyond using armaments, magic, and the environment.

Why similar: Old School 14.1%, Online Co-Op 12.6%, FPS 12.3%, Shooter 12%, First-Person 8.7%

Why You'll Like It: It offers a dark, atmospheric shooter experience with a focus on exploration and puzzle-solving.

Serious Sam is a high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Year 2001!

Why similar: FPS 31.2%, Shooter 15.4%, Action 10.9%, Co-op 10.3%, Old School 8.8%

The classic Painkiller series is back! Battle through Purgatory in fast-paced co-op action, wielding infernal weapons against relentless demonic hordes. Condemned for your sins, the Voice of the Creator offers you a chance at redemption. Will you seize it or be lost to darkness?

Why similar: Boomer Shooter 19.9% ★, Old School 10.3%, Shooter 10.2%, Demons 9.4%, FPS 9.2%

Battle never ceases in the realm known as Hell. This time around it's a battle for the freedom of your very soul. Will you be able to escape from the prison hidden in the darkest deepest chasm of Hell? Do you have enough courage to travel through the most dangerous and twisted areas, infamous for their unsafety, even among demons...

Why similar: FPS 24.9%, Action 23.7%, Shooter 23.6%, 3D 15.2%, First-Person 12.6%

Why You'll Like It: It provides more of the arena-based, demon-slaying action that fans of the Painkiller series expect.

Things are about to get… bloody! Soak up 42 pulse-pounding levels dripping with Lovecraftian atmosphere as you battle your way through armies of sycophantic cultists, zombies, gargoyles, hell hounds, and other insatiable horrors, in your quest to defeat the loathsome Tchernobog.

Why similar: Boomer Shooter 51.9% ★, FPS 12.5%, Shooter 12.3%, Horror 6.9%, First-Person 5.9%

Serious Sam Fusion is a central hub for several existing Serious Sam games developed by Croteam. Cool new features, engine upgrades, patches and updates will be released to existing owners for FREE!

Why similar: FPS 21.3%, Boomer Shooter 15% ★, Action 12.3%, Shooter 12.3%, Co-op 12.1%

Serious Sam: Tormental is a 3D rogue-lite top-down shooter where you blast your way through the tormented mind of demigod of destruction Mental, as he imagines worlds and monsters that stand on your path towards his inner ego. Let the showdown begin!

Why similar: Action 100%

Serious Sam is back! And this time it's REAL!

Why similar: Boomer Shooter 41.6% ★, Shooter 17.3%, FPS 14%, Action 13.9%, Co-op 10.9%

Serious Sam VR: The Second Encounter is a sequel to Serious Sam VR: The First Encounter - frantic arcade action FPS, featuring singleplay and co-op campaign, various multiplayer modes, all presented in glorious VR and with different locomotion movements.

Why similar: Old School 28.1%, Co-op 16.3%, First-Person 16.3%, Action 14.6%, FPS 13.4%

Bloodshed is a Roguelite Survivors FPS; an exhilarating fusion of Roguelite elements merged with retro-styled visuals and first-person “Survivors-like” frenetic combat action!

Why similar: Boomer Shooter 33.7% ★, Old School 10.9%, Demons 9.6%, FPS 8.9%, Shooter 8.1%

Serious Sam VR: The First Encounter is a frantic arcade action FPS, featuring singleplay and co-op campaign, various multiplayer modes, all presented in glorious VR and with different locomotion movements.

Why similar: Action 100%

Experience the thrill of retro boomer shooters in this action-packed game where you'll battle hordes of demons and face the ultimate challenge: Satan himself. Relive the glory days of classic shooters with intense gameplay, a variety of weapons, and relentless enemies.

Why similar: Boomer Shooter 50.8% ★, Shooter 13%, Dark 10.6%, First-Person 9%, Action 5.4%

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

Why similar: Boomer Shooter 41.8% ★, Online Co-Op 12.6%, Old School 12.1%, FPS 11.4%, Shooter 6.8%

Crush the cult of Astaroth and vanquish her hellspawn, make them squeal and hide where they came from. Enjoy a Fresh Look & Old Fun in this arcade horror FPS game inspired by the legends of the 90s.

Why similar: Boomer Shooter 40.9% ★, FPS 9.1%, Demons 9.1%, Shooter 8.7%, Dark 6.7%

Join BRUTAL JOHN and BRUTAL DOG in a ultraviolent old-school FPS set in a world overrun by crypto-mining technologies, where it’s up to you to destroy them and reclaim control. Prepare for an adrenaline ride that pays homage to the best shooters of the '90s.

Why similar: Boomer Shooter 45.3% ★, Old School 13.6%, FPS 11.1%, Shooter 10.1%, First-Person 6.9%

Fight under the onslaught of mutated monsters, obsessed soldiers and even darker bosses. Just try to survive and find out what to do next in this life, simultaneously tearing your enemies to pieces.

Why similar: FPS 25.1%, Shooter 23.2%, First-Person 17%, Horror 12%, Action 8%

Forgive Me Father is a dark retro horror FPS set in a comic book style world inspired by the novels of H.P. Lovecraft. As the only one left with full senses, you begin a journey in search of answers and relief. How long can you last?

Why similar: Boomer Shooter 52% ★, FPS 14.9%, Shooter 11.3%, First-Person 6.6%, Action 4.4%

Oldschool FPS. Hardcore classic gameplay action. Huge hordes of monsters. Blood. Horror. Fun. Each level is unique and not similar to the previous. You need to survive in this dangerous world and become the best evil shooter.

Why similar: Boomer Shooter 42.1% ★, FPS 10.7%, Old School 10.6%, Shooter 10.4%, Horror 7.6%

Adrenaline-pumping gore retro funhouse that’s full of guns, magic, demons, vertical arenas, 3D visuals, 2D sprites, and heavy metal music. Inspired by FPS classics like Quake and Doom 64, Project Warlock II is the explosive boomer shooter sequel you were too shy to ask for.

Why similar: Boomer Shooter 45.9% ★, Old School 12.4%, Shooter 9.9%, Demons 9.7%, FPS 8.3%

Choose your weapons and take aim at the most random Serious Sam adventure yet!

Why similar: Action 88.8%, Singleplayer 11.2%

Years into a brutal lockdown, a once-thriving city lies in ruins, abandoned by its government and overrun by vicious, mindless infected. Grab your hammer, collect your nerves and enter the mayhem.

Why similar: Boomer Shooter 44.6% ★, FPS 10.1%, Shooter 9.1%, Old School 7.2%, Horror 6.2%

Shrine II is a retro FPS game with a focus on atmosphere and exploration. Explore a nightmarish world and battle great bosses where the surprises never end...

Why similar: Boomer Shooter 32.8% ★, FPS 18.4%, Shooter 15.9%, First-Person 8.9%, Action 8%

PowerSlave Exhumed is a KEX Engine port of the classic console game perfectly blending both the PlayStation & Saturn versions

Why similar: Boomer Shooter 19.4% ★, FPS 16.4%, Shooter 15.4%, Old School 14.3%, First-Person 10.1%

Pile on the firepower with the revolutionary Gunstacker and fire all your weapons at once in a symphony of destruction!

Why similar: Shooter 52.7%, Action 47.3%

The evil Empire is currently creating a doomsday army behind a veil of secrecy. However, they are no match for the Rebel Alliance's covert operations division. Your mission is to infiltrate the Empire and put an end to their plans for terror and domination.

Why similar: Boomer Shooter 41.7% ★, FPS 10.6%, Shooter 10.3%, Old School 9%, First-Person 7.2%

Extraneum is an old-school, sci-fi single-player first person shooter with an emphasis on exploration and secret hunting. Fight your way through biohacked monstrosities and stop their progress before they take control of the entire world.

Why similar: Boomer Shooter 51.1% ★, FPS 12.1%, Shooter 10%, First-Person 8.2%, Sci-fi 7%

Step into the definitive re-release of two dark spell-casting shooters that shaped the genre. This enhanced restoration makes Heretic™ + Hexen™ available to new audiences and long-time fans with expanded accessibility across more platforms and languages than ever before.

Why similar: Boomer Shooter 48% ★, FPS 10.2%, Shooter 9.5%, Old School 6.7%, Action 6.1%

Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.

Why similar: Boomer Shooter 57.7% ★, FPS 11%, Old School 8.5%, Shooter 7.4%, First-Person 4.3%

All old-school FPS action. No Bullshit. Lots of blood & gore. Slaughter your way through nightmarish industrial mazes, transformed cityscapes and surreal alien structures to cut down the Growth in this ultraviolent, fast-paced, and merciless retro-styled first person shooter.

Why similar: Boomer Shooter 38.6% ★, Old School 11.5%, FPS 9%, Shooter 8.2%, Demons 6.9%

Wolfenstein®: The Old Blood™ is a standalone prequel to the critically acclaimed first-person action-adventure shooter, Wolfenstein®: The New Order. This adventure spans eight chapters and features the hallmarks of MachineGames – thrilling action, immersive story, and intense FPS combat.

Why similar: FPS 29.4%, Shooter 21%, First-Person 12.2%, Action 9.9%, Atmospheric 7.8%