IndieCULTIC
49% matchOften compared to it, Old School, FPS
ObscureDevil Engine
37% matchOften compared to it, Shoot 'Em Up, Bullet Hell
ObscureKilling Sun / 抗日大刀队：日军总部
41% matchFPS, Old School
ObscureSerious Survivors
43% matchOld School, Shooter
ObscureTerfenstein 3D
42% matchOld School, FPS
AADOOM II
44% matchFPS, 1990's
ObscureBrotherhood United
33% matchBullet Hell, Retro, Similar premise
IndieThe Citadel
44% matchFPS, Old School
ObscureHyperborea
34% matchFPS, 1990's
ObscureGod Damn The Garden
40% matchOld School, FPS
ObscureBAROQUE SHOOTING: REVERSED
40% matchShoot 'Em Up, Bullet Hell
ObscureDestructivator 2
36% matchOld School, Shooter
ObscurePls Kill it.
38% matchFPS, Shooter
ObscureMortanis Prisoners
32% matchOld School, FPS
ObscureOld Retro Shooter
28% matchFPS, Bullet Hell, Similar premise
ObscureTake No Prisoners
36% match1990's, Old School
IndiePIGFACE
36% matchFPS, Shooter
ObscureEnd Them, Soldier!
42% matchOld School, FPS, Similar premise
AAWolfenstein 3D
37% matchOld School, FPS
ObscureRussian Prisoner VS Nazi Zombies
29% matchAction, Similar premise
ObscureAssassin of Monsters 2 Spacenator
32% matchFPS, Bullet Hell
AAAF.E.A.R. 2: Project Origin
35% matchOften compared to it, FPS, Shooter
AAASCUM
27% matchFPS, Action
ObscureCathedral 3-D
40% matchOld School, FPS
ObscureChains of Fury
37% matchFPS, Old School
ObscureOnly Lead Can Stop Them
39% matchFPS, Old School
ObscureBrave Rounds
36% matchShoot 'Em Up, Bullet Hell
ObscurePutinator
36% matchFPS, Shooter
ObscureBTD:BTD
28% matchFPS, Combat
AAADeus Ex: Human Revolution - Director's Cut
27% matchTranshumanism, FPS
AAAMID EVIL
37% matchOld School, FPS
ObscureManus Dei
36% matchFPS, Retro
ObscureClimb and Fight: Mafia
32% match1990's, Bullet Hell
ObscureRule No. 1
36% matchFPS, Old School
ObscureFinal Exerion
36% matchShoot 'Em Up, Shooter
ObscureGenotype
32% matchScience, FPS
ObscureMEAT 2
40% matchOld School, FPS
AAAHalf-Life
33% matchFPS, 1990's
AADarkenstein 3D
37% matchFPS, Shooter, Similar premise
ObscureBurning Vengeance
28% matchShooter, 1990's
ObscureNo More Furries
34% matchFPS, Shooter
ObscureCARNAL
38% matchOld School, FPS
ObscureDOOMED
33% matchFPS, Shooter
ObscureI, AI
34% matchOld School, Shoot 'Em Up
ObscureZombie Freaks
35% matchFPS, Shooter
AASUPERHOT: MIND CONTROL DELETE
30% matchTranshumanism, FPS
AASharpShooter3D
38% matchFPS, Old School
ObscureAncestral Players
31% matchFPS, Shooter