Top similar games like Classic Marathon Infinity:

From the team that brought you Aleph One, the classic sci-fi FPS Marathon 2: Durandal from Bungie on Mac revived for modern hardware by the fan community.

From the team that brought you Aleph One, the classic sci-fi FPS Marathon from Bungie on Mac revived for modern hardware by the fan community.

In the future, humans conquered the stars and colonized other planets. In the bowels of the icy planet, scientists have discovered a natural and safe source of energy. But at the same time, they awakened an ancient alien life form. There is a conflict on the planet. Volunteers come to the rescue.

From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. 

The Alien Weapon Test Grounds is an Arena FPS where you use powerful alien-made weapon to survive relentless waves of robots. Sharpen your shooting skills in dynamic arenas, ranging from ancient ruins to otherworldly environments, and experience stunning, immersive graphics.

Become one of the Hunters in Astro Hunters VR - PvPvE extraction shooter set in space. Explore a unique planet, fight with different enemies, craft, gather resources, and upgrade your weapons. But remember there are also other hunters on the planet. Will you ally, fight, or betray - it's up to you!

First-person mod of the Unreal Engine Lyra starter project

Fight for survival! Industrial waste has disturbed the dangerous Kaeru-tori's habitat, forcing them into the city. Unlock new areas, purchase weapons and upgrades to grow stronger, and fight off the horde with your friends!

Silica blends FPS and RTS in epic, photorealistic battles. Choose to fight on the ground or command from above as humans or aliens. Dive into thrilling multiplayer combat or master strategic command. Are you ready to survive and conquer?

Universe 51: Tannhäuser Wars is a free-to-play fast-paced multiplayer FPS, taking inspiration from games like DOOM and Quake. In Tannhäuser Wars, two unfamiliar groups are mysteriously teleported to the same location. Since communication between them is impossible or undesirable, they clash!

Experience the next generation of VR combat with Evasion, an intense sci-fi bullet-hell shooter. Play solo or team up with a friend as you run, dodge, and unleash devastating Surge Attacks as you fight your way through an action-packed story campaign.

Astral Horizon is a first-person space opera adventure featuring combat with six degrees of freedom. Give orders to your squadmates and find creative ways to approach combat in zero-gravity. Explore epic sci-fi locations as you fight a war to uncover a perspective-shattering discovery.

MECHWARRIOR 5: CLANS follows a Star of Clan Smoke Jaguar warriors during Operation REVIVAL, a full-scale invasion of the Inner Sphere. Armed with an arsenal of cutting-edge BattleMechs, meticulously designed maps and missions deliver immersive and intricate tactical gameplay and combat experiences.

Enter the sci-fi clash of this hide-and-seek game. Play as one of four mighty Hunters armed with high-tech gadgets to track down elusive Slugs. Or slip into the slimy skin of up to twelve Slugs, mastering sneaky and ingenious abilities, while hiding by morphing into various objects.

EXIMIUS is a FPS/RTS hybrid that focuses on squad-based combat. The game features an intense 5v5 multiplayer experience with each team comprising of 4 Squad Officers and one Commander.

Try this fast-paced sci-fi shooter as an elite OVERGUN mercenary. Go to the moon base of the EARTH ROBOTICS corporation to destroy an army of various robots under the command of an evil AI.

Space bounty hunter Falco must explore the solar system in search of his ex-girlfriend and destroy the Black Star cult. Collect bounties, upgrade your equipment, explore planets, crack wise & fight aliens in this GZDoom-powered Retro-FPS adventure.

Project NOVA is a hyper-fast, chaotic shooter inspired by ULTRAKILL, DOOM, and REAVER. Dive into relentless multiplayer battles with dynamic weapon mechanics, tech-fueled movement, and diverse game modes. Master the chaos, never stop moving, and unleash unparalleled fun on the battlefield!

EVE Vanguard is the online sci-fi sandbox FPS set in the EVE Universe, taking place 21,000 years in the future on far-flung worlds across the star cluster of New Eden, in which decisions have consequences and loss has meaning.

A fast-paced VR arcade shooter, where you fire guns, shoot energy bows, and toss explosive spears to defend your base from an alien infestation. The bugs shoot back, so don't forget to duck!

ZombCube is a first-person, cross-platform, zombie survival, wave based game. Play solo or with friends all over the world destroying the evil ZombCube's. Use teamwork, leadership, and skills to be the best and rank on the leaderboards.

This HEART-POUNDING WAVE-BASED ARENA SHOOTER catapults you into an alien-infested space station. SHOOT, SHRED, and SURVIVE as you crush enemy hordes, dodge chaos, and challenge yourself to set a new record. The battle escalates with every second—GET IN THERE and FIGHT!

First / third person multiplayer shooter with single and multiplayer AI bots and monster, premade and procedural environments.

You crash land on Novark during a rescue mission. With hostile aliens in a war, nowhere is safe and everything is out to kill you. Fight to survive. Discover secrets. Fight epic bosses. Progress through the story. Survive and escape Novark!

RENEGADE is a free to play shooter which absolutely doesn't bring anything new to the table, it's just designed for the casual folks who just wanna shoot stuff.

Introducing Ultimus: A Vision of First-Person Shooters, circa 1965.

Join Operation Space Force, a free-to-play team-based shooter that takes place in space. Explore weapon customization and different heroes, your base, fight against enemies, and experience different game modes.

Relentless Frontier is a fast paced sci-fi FPS running on the GZDoom Engine, with a strong focus on mobility, strategy, and exploration. Use your Omnistruct to replicate new weapons and abilities to help you traverse the terrain and demolish threats, while escaping from Ross 128-b in one piece.

Planet Collectors: Episode Earth is an intense fps shooter game with as much as possible realistic feeling to it. Your goal is collecting enough credits to escape from the map. It is a multiplayer game with 6 players maximum and you can work with other players or betray them, that is up to you.

GUNDAM EVOLUTION is a fast-paced and immersive team based FPS game where you pilot Mobile Suits from the smash hit Gundam anime.

ALARA Prime is a free-to-play, 4v4v4 competitive tactical first-person shooter. Choose your class, utilize an array of gadgets, dominate the game or play the other teams against each other.