Top similar games like Osiris:

Protect cute anime girls. Shoot monsters. Simple.

Across the Distant Skies is a first-person physics-based survival game about travelling a vast distance across a planet in your trusty airship. A combination of survival mechanics, first-person combat, resource management, story/lore and exploration.

CuberPunk 2090 is an adventure game set in the village of Cuberovka. You play as Vova, a gamer and former president of Cube-States.

Explore a strange interconnected world, find weapons to shoot those that stand in your way, and discover hidden upgrades and abilities to discover even greater secrets in an action adventure first person metroidvania.

Fight viruses, survive insane waves of rays and bullets, and find out more about the inhabitants of the Network in this mix of exploration and 3D bullet-hell/FPS game.

The galaxy is under threat once again after almost thirty years of peace, only Robbit can bring justice! Warning: This is a fan-made game and it is created to seek job opportunities at PlayStation!

Welcome to Realms, a first-person shooter inspired by the rules and aesthetics of popular tabletop RPGs. Use The Die of Chaos along with your abilities and alternate gun fire to help Fortuna explore different realms and destroy any and all threats along the way.

Rusty's Day Off is a stylized FPS with puzzle elements in which you play as Rusty, a janitor, facing his own rogue robots. You'll have to fight, solve puzzles, and jump & run all over the place to get through this day.

Welcome Human-V1399 to the "Human Restoration Program," the final hope for the rebirth of mankind. In this physics-based movement shooter, use telekinetic powers to defeat hostile alien-built creatures through the depths of an irradiated planet in a conflict-ridden solar system.

Chickens. They've made a deal with the aliens. Humanity has but one hope, Jimmy Gunson, a train, and he just wants to get home.

Rift World is a hardcore FPS game full of action-fueled magical encounters set in a surreal parallel world.

A dystopian future. An authoritarian regime. A tale of violence, intrigue, and hope. Swing from towering skyscrapers and battle deadly enemies as you fight to free your city from the evil that consumes it. With a kinetic swinging system, intense gunplay, and an immersive story campaign.

Grab your pitchfork and dive into the rift! Hardest Harvest is a fast-paced FPS featuring an everfalling arena, endless swarms of corrupted creatures, and adorable vegetable companions.

Be the cactus, become the legend! Master foes, evade traps, and uncover artifacts as a spiky hero in this unique indie FPS, blending classic elements with quirky new ideas.

Take part in a number of marksmanship challenges while you explore Bang Bang Land an abandoned theme park designed by a Gun Nut that had to be closed down due to serious Health & Safety concerns! Can you help it to reopen?

Deliver packages in a world torn by goddesses. Working for Cargon they guarantee your package will arrive no matter what hazards!

World of Unlit is a fast paced, first person movement shooter where your goal is to utilize your grapple hook, melee weapons, guns and bows to destabilize a culture.

Camping and adventure await you and your Bow & Arrow! Solve puzzles and fight monsters in dungeons or relax and hike the open world. There's fun and excitement for everyone when you're Gone Camping!

The colors are dispersed and disunited. Robots are scattered everywhere. There is no safe place, but it wasn't always like this. The colors were gentle and united in the past. There were no robots. Something must have happened. Can you uncover the truth of this story?

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!

First person shooter game based on the first part of the Spellbound series of books. You play as Damitri with his ability to use ice magic. The player will use snowballs and icicles to defeat enemies. They will use Laura's song or scream to heal yourself or hurt foes. 14 stages 4 bosses and 3 modes.

Cyber-Cat is a fast-paced, action, first-person shooter, where you take control of a cat with cybernetic enhancements and outfitted with advanced weaponry.

Prime Directive is a first person 3D action-adventure shooter in which players control Marty, a small but brave robot. Marty acquires unique abilities to fight enemies and solve puzzles while exploring a mysterious alien world.

The Outer Worlds: Spacer’s Choice Edition is the ultimate way to play the award-winning RPG from Obsidian Entertainment and Private Division. Including the base game and all DLC, this remastered masterpiece is the absolute best version of The Outer Worlds.

Experience mythological mayhem in this action-packed single-player FPS. With rapid gameplay, engaging movement mechanics, and a variety of weapons, immerse yourself in an epic adventure like no other.

A third-person shooter and visual novel. Concoct potions to fulfill customer orders (try not to blow up your shop and turn the customer into a mushroom), look for ingredients in the open world and fight monsters for them. Everything will work out... The main thing is to strictly follow the recipe!

Take on the greatest futuristic, apocalypse adventure with Abyss.Are you ready to save the world, from the invading creatures? Prove it in Abyss, by Axid Studios.

ONCE First-Person Adventure is a first-person adventure game set in an alternative post-Soviet space. As a volunteer, you go to conduct an unscheduled inspection of power plant points.

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

A multiplayer PvE first person shooter where you have to kill hordes of animals and insects to save the world. Embark on a semi-Non-Euclidean journey to the unknown and make it difficult to follow your footsteps.