Top similar games like 666:

You wake up as an army solider 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.

Kill aliens in creative ways in this wacky retro FPS featuring non linear, highly interactive maps. Zombaliens blends retro FPS with immersive sim, letting you use anything in your environment against your enemies, while retaining the speed and simplicity of a retro FPS.

Perilous Warp is a fast-paced indie retro-shooter inspired by the classic 3D-actions. Communication with a distant space colony has been lost, and you bravely step into the teleporter with the desire for glorious adventures. But do not expect to win in a heartbeat!

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.

Arthurian Legends is a medieval first person action game set in the land of Albion during a time of myth and legend. Battle hordes of Saxons, demonic beasts, the undead and worse in thy quest to save Albion from The Masters of the Old Religion.

KVLT is a singleplayer FPS where WW2 meets Cthulhu Mythos. In KVLT you are Lazar, an occultist and cold blooded mercenary, fighting to unveil the eldritch secrets that hide beyond the war theater.

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.

A free to play multiplayer survival horror game with a unique damage system. One bullet can be game over if not treated properly, and you must be willing to lose an arm and a leg to finish your objective.

Lock and load, there are zombies everywhere! A global pandemic has hit the Earth, but the circumstances are highly suspicious. There are some evil forces in play, and those forces look very lizard-like.

Destroy enemies and bosses using a variety of weapons. Visit different times and places with unique enemies. Inspired by classic games from the of 90s genre.

You are the only person on Earth who is capable of defeating aliens, and the entire world is in hiding in despair. Play as half-alien half-human Tyler in this open-world stylized alien shooter game, and fight terrifying spiders and other alienated creatures. It is up to you to stop this apocalypse.

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.

New zombies need to be defeated in Square Head Zombies 2. Go to new places, find and destroy them all.

An old-school shooter inspired by Wolfenstein 3D. You are one of the prisoners of an ancient prison. There is no one to help you. You only have yourself to rely on. Your shotgun. Against hordes of enemies. Animal rage and the desire to kill. Destroy Them All!

Eastern Europe is the newest Circle of Hell, but outside its walls things aren't much better. Relentless action, pixelated gore, 256 colors. That is Delilah. And yeah, it is inspired by other shooters starting with a 'D'.

Square head zombies are everywhere. Grab your gun and shoot all the undead.

Only Lead Can Stop Them is a retro FPS set in the Spanish Civil War. Fight the Fascist Hordes!

Enter a realm of nightmares and claw and shoot your way through hordes of bloodthirsty vermin and things that are much, much worse in this retro FPS

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.

Face off against hell forces in shooter "Grimwalker". Engage in thrilling combat with a variety of weapons and use your demon form to become even more powerful. Explore a world filled with secrets while managing your resources to survive.

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?

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.

You must find two items in a land of Aliens. Use stealth tactics and a weapon to complete your mission.

Escape from the depths of a top-secret research facility as you slash through creatures like giant mutant aliens, robot demons, and countless other experiments gone wrong. Inspired by classic games like Half-Life, Quake, and Doom, The Enemy Below raises the bar of what a modern retro-FPS can be.

A retro shooter inspired by the older Wolfenstein and Doom games. A tribute of sorts, if you like, where I aspire emulate the games I love the most and that requires a certain amount of skill to complete, while adding a few personal and more current-day touches.

While the Sidhe elf Corvus battled the evil forces of D'Sparil, the remaining Serpent Riders were busy corrupting other dimensions. As a Warrior, Mage, or Cleric, you must defend your realm of Cronos from the second Serpent Rider known as Korax.

ROUGH KUTS: 3D is a First Person Shooter, inspired by old public domain horror movies.