- #1 Zombie Outbreak 1943
97% match2 user reviews50% of 2 reviews2025
Dev: FlagmanJeremy
Windows
Undead growls are heard in the distance, and you start to realize that undead zombies are approaching your location. You equip your weapon and fortify the windows as quickly as you can, but time is running out quickly. Can you survive the zombie outbreak?
Why similar: World War II 38.3% ★, Zombies 22.9%, Shooter 11.6%, FPS 11.6%, First-Person 8.5%
- #2 UberSoldier II
96% matchMostly Positive77% of 643 reviews2014
Dev: Burut CTPub: Strategy First
Windows
Median: 54 minMean: 5.7 hrs≥1hr: 48%
Deal another deadly blow to fascism!
Why similar: World War II 44.6% ★, FPS 26.9%, Shooter 11.7%, Action 6.6%, First-Person 5.8%
- #3 Zombie Outbreak 1942
96% match8 user reviews75% of 8 reviews2025
Dev: FlagmanJeremy
Windows
Glowing eyes are seen in the distance, and you start to hear the sounds of the undead approaching your location. You quickly scramble to find your pistol and barricade the windows as quickly as you can, but it's too late. Zombies are approaching. Can you survive the zombie outbreak?
Why similar: World War II 39% ★, Zombies 24.4%, FPS 10.8%, First-Person 9.1%, Shooter 8.7%
- #4 Overdose WW2
95% matchMixed50% of 33 reviews2022
Dev: bigredB.
Windows
Overdose WW2 is an FPS game set in the Second World War. It is a game that aims to offer an experience like 90s FPS games. Overdose comes with content that aims to offer you a long gameplay and nostalgia. The game is an FPS game set in the second world war.
Why similar: World War II 41.8% ★, FPS 21.3%, Shooter 11.8%, First-Person 9.9%, Action-Adventure 5.2%
- #5 Corridor Sigma
94% matchMixed64% of 11 reviews2022
Dev: Matt AufderheidePub: SA Industry
Windows
90's-style first-person shooter set in a large alien base filled with angry monsters.
Why similar: FPS 21.3%, Shoot 'Em Up 21.1%, Shooter 15.4%, 1990's 14.8%, Old School 10.4%
- #6 Call of Duty®: WWII
93% matchMostly Positive70% of 45,683 reviews2017
Dev: Sledgehammer GamesPub: Activision
Windows
Median: 7.0 hrsMean: 21.4 hrs≥1hr: 88%
Call of Duty®: WWII - a breathtaking experience that redefines World War II.
Why similar: World War II 44.4% ★, FPS 17.5%, Zombies 17.3%, Shooter 10.1%, First-Person 6.8%
- #7 Reaktorhallen R1 - Zombie Shooter
92% matchNo user reviews2023
Dev: Isak FelldinPub: sole proprietor
Windows
You are tasked with defending yourself against multiple waves of zombies using only a gun. The setting for this challenge is the real-life location of R1, Sweden's first nuclear reactor. You may choose to play in either hard mode or normal mode.
Why similar: Shoot 'Em Up 25.6%, FPS 23.1%, Shooter 17.3%, Zombies 14.6%, First-Person 8.3%
- #8 One Last Toast
91% matchPositive97% of 29 reviews2025
Dev: Dr. CollederasPub: Fontana Studios
Windows
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.
Why similar: FPS 21.8%, Zombies 16.4%, Shooter 14.3%, 1990's 13.3%, First-Person 9.8%
- #9 Death Slayer V
91% match4 user reviews50% of 4 reviews2021
Dev: MDK software
Windows
A virus has escaped a secret lab ran by the Eibmoz Corporation. Everyone is infected... including yourself. You have minutes before you die from the fast acting virus and turn into a "Zombie". There may be a way to stay alive... but it wont be easy!
Why similar: FPS 24.2%, Shoot 'Em Up 24.1%, Zombies 21.2%, Shooter 13.6%, First-Person 8.9%
- #10 The Cursed Hotel
90% matchPositive78% of 22 reviews2025
Dev: Team TeraBites
Windows
A short game inspired by 90s horror games where you must escape a zombies infested hotel by using the elevator
Why similar: FPS 23.6%, 1990's 22.4%, Shooter 17.6%, Zombies 12.8%, First-Person 11.6%
- #11 Return to Basic Killing
89% matchNo user reviews
Dev: Bancal Games
Windows
🔥 Lock, Load, Kill! 🔥 Blast your way through 30 blood-soaked levels in this adrenaline-fueled, old-school FPS inspired by the classics. Fast movement, brutal gunplay, and non-stop action—just the way the 90s intended. Oh, and if you care, there’s a story behind all this mayhem too!
Why similar: World War II 30.2% ★, FPS 15.5%, 1990's 12.2%, Old School 12.1%, Zombies 11.3%
- #12 SPICESHIFTER
89% matchMixed40% of 10 reviews2021
Dev: OPG KatanaPub: Piece Of Voxel
Windows
Spiceshifter is a single-player game in 2.5D abstract graphics. The essence of the gameplay is to destroy hordes of enemies with the help of a wide variety of weapons, such as brass knuckles, magic or shotguns.
Why similar: 1990's 17.7%, Old School 15.9%, Shoot 'Em Up 14.7%, Shooter 12.4%, FPS 8.2%
- #13 SaiBorRai
87% matchMixed69% of 13 reviews2024
Dev: Hyrax Games
Windows
The Meme First-Person Shoot em' up in a Cyberpunk/SteamPunk world. Find Memes, Fight Enemies such as mutants and goons. Pick up your gun, shoot anything that moves and you'll be fine
Why similar: Beat 'em up 22.5%, Shoot 'Em Up 20.7%, FPS 17.7%, Shooter 12.5%, Old School 12.3%
- #14 Enemy Front
88% matchMixed67% of 5,636 reviews2014
Dev: CI Games
Windows
Median: 2.2 hrsMean: 6.7 hrs≥1hr: 65%
ENEMY FRONT is the first truly modern WW2 FPS, featuring stunning visuals, open-ended levels and a richly interactive combat experience that breaks out of the standard model of highly linear scripted FPS experiences, giving the player full freedom to own their playing style.
Why similar: World War II 49.9% ★, FPS 25.4%, Shooter 11.2%, Action 5.7%, First-Person 5.6%
- #15 Call of Duty®: Vanguard
86% matchMixed67% of 4,036 reviews2023
Dev: Sledgehammer GamesPub: Activision
Windows
Median: 9.2 hrsMean: 61.4 hrs≥1hr: 90%
Call of Duty®: Vanguard includes a deeply engaging single player Campaign, a massive Multiplayer offering featuring over 20 maps including 16 built for core Multiplayer and an exciting new Zombies experience developed by Treyarch.
Why similar: World War II 32.9% ★, Zombies 19.1%, FPS 19%, Shooter 14%, First-Person 8.7%
- #16 Zomb'Invasion
85% match1 user reviews0% of 1 reviews2025
Dev: Nebular Shell Studio
Windows
Shoot,Kill,Buy,Adapt,Keep going and Win. Zomb'Invasion is an FPS multiplayer wave zombie shooter game where you need to defeat a countless number of zombies in chaotic conditions!
Why similar: Zombies 21%, FPS 19.5%, Shoot 'Em Up 18.9%, Beat 'em up 18.3%, Shooter 9.1%
- #17 Bullet Wave
84% matchMixed63% of 16 reviews2021
Dev: Boom Games
Windows
Bullet Wave is a driving first-person shooter straight out of the 90s. Go to the space station to fight against hordes of zombies, combat drones and infernal evil spirits.
Why similar: 1990's 19.2%, FPS 16.8%, Old School 16.7%, Zombies 13.1%, Shooter 11.8%
- #18 Pitch Silent
84% matchMostly Positive72% of 18 reviews2023
Dev: Scott Craighead
Windows
The Earth has withered away. Guided by an angel in the dark. You must brave the underground of Eden to find all forms of creation to then journey to the center of the earth where a mystery awaits.
Why similar: FPS 19.5%, Shoot 'Em Up 15.8%, Dungeon Crawler 13.4%, Shooter 12.8%, 1990's 10.6%
- #19 Wrong Floor
83% matchNo user reviews
Dev: Minikin Games
Windows
Wrong Floor is a fast-paced, single-player horror shooter where you’re trapped in a malfunctioning elevator, fighting off waves of nightmarish creatures. As the elevator plummets, you'll have to manage your ammo, react quickly, and survive against increasingly intense floors.
Why similar: Shoot 'Em Up 30.3%, FPS 22.1%, Shooter 14.3%, Zombies 13.9%, First-Person 9.4%
- #20 Zombie Army VR
82% matchMixed45% of 178 reviews2025
Dev: Rebellion
Windows
Zombie Hitler may have been defeated, but the zombie hordes are still at large and Europe remains in the throes of war. Return to the field as part of the Deadhunters, an elite squad fighting to end the zombie apocalypse!
Why similar: World War II 32.4% ★, FPS 17.2%, Shooter 12.7%, Zombies 11.6%, First-Person 8.7%
- #21 Call of Duty: World at War
82% matchVery Positive92% of 52,408 reviews2008
Dev: TreyarchPub: Activision
Windows
Median: 11.0 hrsMean: 49.2 hrs≥1hr: 88%
Call of Duty is back, redefining war like you've never experienced before. Building on the Call of Duty 4®: Modern Warfare engine, Call of Duty: World at War immerses players into the most gritty and chaotic WWII combat ever experienced.
Why similar: World War II 36.7% ★, Zombies 25.4%, FPS 17%, Shooter 10%, First-Person 6.2%
- #22 Out Of Hell
81% matchNo user reviews
Dev: Long Nguyen
Windows
You are Donovan Ling, a police officer and one of the last living souls in a city decimated by a demonic onslaught. Fight against relentless hordes of the undead, nightmarish horrors and hellish entities as you attempt to unravel the mysteries behind the invasion and escape with your life!
Why similar: Zombies 19.1%, Shoot 'Em Up 17.8%, FPS 15.3%, Shooter 11.2%, Old School 11.2%
- #23 Mad Massacre
81% matchNo user reviews
Dev: Pixel Club
Windows
Fight your way through hordes of mutants and arm yourself with powerful weapons. Monster mayhem!
Why similar: FPS 26.9%, Zombies 24.8%, Shooter 20.2%, First-Person 13.1%, Action 9.8%
- #24 Wolfenstein: The Old Blood
80% matchVery Positive90% of 22,766 reviews2015
Dev: MachineGamesPub: Bethesda Softworks
Windows
Median: 7.1 hrsMean: 13.5 hrs≥1hr: 88%
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: World War II 36.9% ★, FPS 23.2%, Zombies 14.5%, Shooter 11.6%, First-Person 7%
- #25 Mortui: Outbreak Secrets
79% match9 user reviews70% of 9 reviews2024
Dev: Yunus Berk Kaynak
Windows
For some unknown reason, the zombie virus has taken over the world and zombies are everywhere. The question is; This pandemic is unnatural?
Why similar: 1990's 24.3%, Zombies 23.5%, FPS 20.6%, First-Person 9.6%, Action-Adventure 8.1%
- #26 Mutant
78% match9 user reviews67% of 9 reviews2022
Dev: Napoleon GamesPub: Strategy First
Windows
-15 Huge Levels. -Nine Mutant Special Abilities. -Hold Up To Four Guns At Once. -Beat Your Enemy With Crates, Barrels, Or Cars.
Why similar: Beat 'em up 28.4%, Shoot 'Em Up 26.1%, Shooter 18.6%, Action-Adventure 10%, Action 9.9%
- #27 Fortress of the Undead
79% matchNo user reviews2023
Dev: Odd Magnus GrinderPub: OddiToddi
Windows
"Fortress of the Undead" is an intense zombie survival game. Scavenge for weapons and ammo, fight off hundreds or thousands of zombies with up to 4 players, and try to survive as long as possible.
Why similar: Zombies 21.6%, FPS 19.1%, Beat 'em up 15.9%, Shoot 'Em Up 14.2%, Shooter 12.9%
- #28 Gangsta Bean 3: Night of the Rising Bread
77% matchNo user reviews2026
Dev: Kevin OkuloloPub: LeafWorthy Entertainment
Mac
Gangsta Bean, Krazy Karrot, T-Mato, and Brock Lee gang up to fight hordes of reanimated rotten food zombies in this retro arcade-style twin-stick beat 'em up sequel to the classic Flash games.
Why similar: Beat 'em up 19.1%, Shoot 'Em Up 18.1%, Old School 15.5%, Zombies 15.4%, 1990's 15.3%
- #29 Brothers in Arms: Road to Hill 30™
78% matchVery Positive88% of 2,101 reviews2008
Dev: Gearbox SoftwarePub: Ubisoft
Windows
Median: 2.0 hrsMean: 5.0 hrs≥1hr: 62%
Based on a true story. Set during the famous airdrop before the invasion at Normandy, where Sgt. Matt Baker and his squad of 101st Airborne Paratroopers were scattered over the French countryside.
Why similar: World War II 39.7% ★, FPS 34.1%, Shooter 12.5%, First-Person 7.2%, Action 5.7%
- #30 BattleRush
76% matchMixed69% of 2,878 reviews2018
Dev: TB Games
Windows
Median: 36 minMean: 5.4 hrs≥1hr: 37%
Free-to-play multiplayer action game in the entourage of the Second World War with total destructibility of the environment. Enjoy full freedom, build a defense, create your army, crush the enemy.
Why similar: World War II 47.6% ★, FPS 21.7%, Shooter 11.1%, Zombies 6.9%, First-Person 6.1%
- #31 Road to Top G
75% matchMostly Positive76% of 42 reviews2023
Dev: Ali Alnajjar
Windows
Survive waves of zombies, collect perks, unlock boss door, and face the Top G in an intense showdown.
Why similar: FPS 28%, Zombies 25.8%, Shooter 21.1%, First-Person 13.7%, Action 10.3%
- #32 Square Head Zombies 2 - FPS Game
77% matchMixed43% of 60 reviews2019
Dev: Sabrina Aridi
Windows
Median: 54 minMean: 6.2 hrs≥1hr: 45%
New zombies need to be defeated in Square Head Zombies 2. Go to new places, find and destroy them all.
Why similar: FPS 22.5%, Zombies 19.7%, Old School 14.6%, Shooter 14.6%, First-Person 10.2%
- #33 Keep 'Em Out!
74% matchMixed67% of 15 reviews2025
Dev: Warbourne Games
Windows
A single-player wave-based zombie survival FPS where you shoot, barricade, and upgrade to survive increasingly intense undead assaults using weapons, perks, and strategic defense.
Why similar: Shoot 'Em Up 25%, Zombies 24.5%, FPS 21.3%, Shooter 13.9%, First-Person 9.5%
- #34 Dawn of Light
76% matchMixed62% of 37 reviews2021
Dev: Objectif 3DPub: Objectif 3D
Windows
After thousands of years of dormancy, embody darkness and crush any resistance that arises in front of you with the help of your primordial powers in this first person shooter.
Why similar: Beat 'em up 24.7%, Shoot 'Em Up 22.2%, FPS 19.5%, Shooter 13.8%, First-Person 9.3%
- #35 Miss Bullet
74% match2 user reviews100% of 2 reviews2025
Dev: Peaksel
Windows · Mac
There’s a thin line between good and evil, so aim and kill your enemies! You like addictive gun shooters? Then fulfill the urge to kill terrorists in this new 3D shooter game. Miss Bullet FPS game is the one for you!
Why similar: FPS 21.9%, Shoot 'Em Up 17.7%, Old School 12.2%, Shooter 11.5%, First-Person 10.3%
- #36 Red Memory
73% matchNo user reviews2026
Dev: ShaunFong
Windows
Honoring history and preserving the spirit of heroes, "Red Memories" invites you to immerse yourself in this historical journey. Get ready to delve into this chapter of "Red Memories" and feel the historic moments of struggle for peace.
Why similar: FPS 34.6%, World War II 30.7% ★, Shooter 22.8%, Action 7.6%, 3D 3.3%
- #37 Liquidator
73% matchMixed58% of 52 reviews2024
Dev: Partizan SoftwarePub: Strategy First
Windows
"LIQUIDATOR" will shed light on the true state of events.
Why similar: 1990's 20.2%, FPS 19.5%, Old School 16.3%, Shooter 13.9%, Zombies 11.6%
- #38 Square Rounds
72% match3 user reviews67% of 3 reviews2022
Dev: Next Level Video Games LLC
Windows
Square Round's is a Shooter Survival Round based game. Can you survive all 350 rounds? If you can, you shall be compared to a Legend. Game difficulty increases. Saves your High score and High Round to try to beat your own records. There is a Armor and Health system.
Why similar: Shoot 'Em Up 22.4%, FPS 22.3%, Shooter 19.3%, 1990's 16.7%, First-Person 8.6%
- #39 Resurrection : Nuke Island
71% match7 user reviews75% of 8 reviews2024
Dev: ACS Game Studios
Windows
An alarm raised when CIA found that 8 scientists are missing from international virology conference. CIA started investigation and found that North Korean scientists are also missing and suspected North Koreans. Roman, special ops commando has to evacuate scientists from North Korea.
Why similar: Beat 'em up 20.9%, Shoot 'Em Up 17.8%, FPS 16%, Shooter 11.4%, Zombies 10.5%
- #40 Swarmed: Nuts & Bolts - Non-VR
73% matchNo user reviews2022
Dev: Colin DoughertyPub: Novation Tech LLC
Windows
In deep space, your robot transport vehicle crash-landed on a barren asteroid. The robots have escaped and are hungry for both revenge and crunchy humans. You are their only hope. Battle your way through multiple waves of rouge robots to avoid being SWARMED in this retro, heart pounding game.
Why similar: Beat 'em up 22.6%, Shoot 'Em Up 19.3%, FPS 17.2%, Shooter 12.4%, Old School 11.2%
- #41 Pathogen: Survival
71% match4 user reviews100% of 4 reviews2022
Dev: SillySausage
Windows
Pathogen: Survival is an arcadey wave based FPS zombie game that prioritises progression and customisation.
Why similar: Zombies 21.8%, Shoot 'Em Up 21.7%, FPS 19.2%, Shooter 13.1%, First-Person 9.9%
- #42 Island of the Dead
71% match1 user reviews0% of 1 reviews2023
Dev: Ali KhanPub: Usman Ahmad Khan
Windows
Island of the Dead is a video game where you, the player, are stuck on an island full of zombies, to win, you must kill them all.
Why similar: FPS 28.8%, Zombies 16.8%, Shooter 12.6%, Action-Adventure 11.3%, Action 10.2%
- #43 Oops! Zombie Swarm
70% match8 user reviews88% of 8 reviews2024
Dev: Hugo
Windows · Mac
An unknown virus has turned most people into zombies. In this disaster, you unexpectedly discover a mysterious dragon egg, which seems to grant you immunity to the virus. Now, your mission is to protect this precious dragon egg and ensure it is not destroyed by hordes of zombies.
Why similar: FPS 32.3%, Zombies 31.2%, Shooter 15.1%, First-Person 8.2%, Action 4.8%
- #44 Draugar
69% match3 user reviews100% of 3 reviews2025
Dev: Thule Interactive
Windows
Fight through unyielding hordes of ancient Nordic undeads. Set during WW2, you and up to 3 other survivors must hold the line against the Draugar.
Why similar: World War II 41.8% ★, Zombies 20.6%, FPS 16.3%, Shooter 8.7%, First-Person 5.5%
- #45 Zombie Rampage
72% matchMostly Negative20% of 10 reviews2018
Dev: MellowStudios
Windows
You are trapped in a graveyard overrun by zombies. Your only objective is to survive as long as possible.
Why similar: FPS 32.7%, Zombies 24%, Shooter 20.9%, First-Person 15.5%, Action 5.6%
- #46 Project Redsun
69% matchNo user reviews
Dev: CustomDev
Windows · Mac
Project Redsun is a zombie First person shooter. You have to defend yourself against hoards of zombies coming straight for you.
Why similar: FPS 28.8%, Shooter 21.6%, Zombies 21.3%, First-Person 12.8%, Action 10.5%
- #47 The Last Stand
70% matchPositive86% of 20 reviews2021
Dev: nP StudiosPub: nonPareil Institute
Windows
The Last Stand is a 3D first person survival shooter game made in Unreal Engine. The player's objective is to acquire artifacts while defeating robots who have invaded earth to prevent the end of the world. The game features 5 unique levels created by the crew at nonPareil.
Why similar: FPS 31.1%, Shoot 'Em Up 29.1%, Shooter 16.8%, First-Person 11%, Action 5.9%
- #48 T.D.Z. 4 Chapter 1 - Arrival
67% matchPositive93% of 27 reviews2025
Dev: Team GZ
Windows
Brave Yaroslav goes to the Exclusion Zone in search of his father, who went missing 15 years ago
Why similar: FPS 21.7%, Zombies 16.4%, Shooter 15.4%, Old School 13.2%, First-Person 9.9%
- #49 A Tale of Moss & Bone
69% matchNo user reviews
Dev: Blackthornprod
Windows
Explore haunted woods, craft weapons, brew potions and battle ambiguous beasts and nightmares.
Why similar: Shoot 'Em Up 23.5%, FPS 22.7%, Shooter 16.9%, Zombies 10.2%, Action 7.8%
- #50 Redneck Rampage Rides Again
70% matchPositive81% of 43 reviews2017
Dev: Xatrix EntertainmentPub: Interplay Entertainment Corp.
Windows · Mac · Linux
includes 14 new single player levels new enemies, weapons, and vehicles, including motorcycles and swamp boats
Why similar: 1990's 32.4%, FPS 28.9%, Action 12.6%, Shooter 12.2%, First-Person 10%
- #51 DOSMan: Space Aliens in Space!
67% matchVery Positive85% of 73 reviews2024
Dev: DOSMan Games
Windows
Planet DOS is under attack by Space Aliens, DOSMan needs to fend them off and defend his home planet!
Why similar: Shoot 'Em Up 20.9%, FPS 18.3%, 1990's 13.6%, Shooter 13%, Old School 9.4%
- #52 ProjectZombieSurvivors
68% match4 user reviews75% of 4 reviews2022
Dev: SHOTA KASAI
Windows
Level-based x Wave-based Zombie ShooterYou gain experience by defeating zombies and gain skill points as you level up!There are a total of 27 different skills! You can gain experience by defeating zombies and gain skill points as you level up!Explore the city and collect items!
Why similar: Zombies 37.5%, FPS 24.6%, Shooter 20.2%, First-Person 9.4%, Action 6.5%
- #53 Zero To Death
67% matchNo user reviews
Dev: Dragon3DInteractive
Windows
ZTD is a ROUND BASED ZOMBIE SHOOTER
Why similar: World War II 28.2% ★, Zombies 18.2%, FPS 16.1%, 1990's 13.7%, Shooter 10.7%
- #54 United Assault - Normandy '44
68% matchMixed44% of 73 reviews2021
Dev: Polygon ArtPub: Polygon Art Publishing
Windows
An open world rogue lite FPS set in 1944's depiction of Normandy. Unlock authentic weapons and command a captured Panzer III.
Why similar: World War II 42.3% ★, FPS 22%, Shooter 16.3%, First-Person 8.8%, Action 7.2%
- #55 残存之物 Remnants
67% matchNo user reviews
Dev: Storm101
Windows
This is a survival-focused game currently in an early stage of development. The project is primarily developed as a personal work, showcasing core gameplay systems and iterative progress. Content and features are subject to change and may be expanded over time.
Why similar: FPS 32.8%, Zombies 24%, Shooter 19.6%, First-Person 13.9%, Action 4.8%
- #56 Pest'Off
65% matchPositive81% of 27 reviews2026
Dev: Lackers StudioPub: Montreal Video Game School
Windows
Pest'Off is a student made First-Person Shooter. Mutants are infesting the city and you’re the one paid to clean it up. Play as a Pest’Off employee, take extermination contracts, wipe out aggressive mutants, earn cash, and upgrade your gear. Clock in, exterminate, get paid.
Why similar: FPS 28.2%, Zombies 25.8%, Shooter 20.7%, First-Person 13.7%, Action 10.5%
- #57 Graphical Siege
68% matchNo user reviews2024
Dev: ZEYONNPub: ZEYONN GAMES
Windows
Graphical Siege is an action fps where you will dive into a unique comic book world where each frame is a battlefield. As the player, you will navigate through the different pages, battling hordes of zombies, soldiers, airborne enemies, and other dangers to save a world under the siege of a mad man.
Why similar: FPS 28.8%, Zombies 24%, Shooter 16.2%, 1990's 12.8%, First-Person 8.7%