Top similar games like Neptune:

Stranded on an alien planet, guide a small astronaut through a mysterious world, solve environmental puzzles, and find a way into an abandoned research base in this atmospheric sci-fi puzzle adventure.

Shoebill is a platformer that plunges you into a world called The Void and tells the story of Shiro.

An android is led through a vast structure by a glitch in his visual system. Lorn's Lure: Prologue is an atmospheric narrative first-person platformer with novel climb-anything mechanics and modernized retro 3D graphics.

OuterTide is a First-Person Exploration Platformer about a lone astronaut crash-landing into an asteroid belt hovering around a planet. Grapple throughout this mysterious environment, encounter alien creatures, and collect scrap to repair your ship. 

Tentaphage is an adventure 3D platformer with horror elements.  You play as the Tentaphage, an anomalous eldritch creature. Swing, grapple, slingshot and possess humans to save your mother and devour humans!

At Light Speed is a 3D platformer where space becomes your playground. Journey through the cosmos conquering gravity-defying challenges and obstacles that test your skill at every turn.

From Jeppe Carlsen, the lead gameplay designer of LIMBO and INSIDE — COCOON takes you on an adventure across worlds within worlds. Master world-leaping mechanics and solve intricate puzzles to unravel a cosmic mystery.

A first-person dream in rectangular prisms. Wander 27 corrupted memories of light and geometry: bend light through prisms, recall platforms that aren't there, ride a light cycle, and face the Warden, a giant soldier the war forgot.

Help Astri find his data cards and beat levels to reach his ship, in this hard-to-finish platformer. Complete all the hand-crafted levels, finish as much as you can and become a god of the universe.

Discover the abilities of the E.M.M.A. in this new and innovative first-person puzzle platformer running on the Source Engine.

Control the gravity of the world. 33 stages across 5 chapters—each chapter brings new rules and a completely transformed world. And in the final room, the god who created this world is waiting.

Claustrum is an atmospheric first-person exploration game set within an endless brutalist megastructure. Navigate dark industrial corridors, interact with forgotten machinery, and uncover the mystery of a dormant complex that was never meant to wake up.

A hardcore 2D action platformer where you play as a stranded space pirate. Hack, slash, and speedrun through a brutal alien world, with tight precision controls, end-game stats, and an exclusive unlockable track by Tidal Rave.

En Route: Space is a 2 player co-op puzzle game where you need each other to figure your way out through the mysteries of space. Work together, open your mind and trust one another to persevere this adventure.

Stranded on an alien planet, you need to find your way home. Read the ecosystem around you and borrow its dynamics to advance. A 3D puzzle platformer with stylized visuals.

Harness the power of gravity to maneuver through challenging precision platforming and puzzle levels in this fun and kinetic 2D platformer!

K3LVN is a sci-fi action platformer where you play as an experiment trying to escape a space station lab where they’re being imprisoned. Through changing their state of matter, they can stick, jump, and roll their way to freedom.

During an expedition to the Moon, two astronauts find themselves in a familiar town back on Earth. They soon discover the town is the beginning of a strange and mysterious journey...

Alien Breakout is a precision platformer where you control an alien that has been captured and must escape from the laboratory.

An action adventure game where you will explore, fight, solve puzzles, improve your abilities and find equipment to make your way to the "source".

Get ready to immerse yourself in the innovative gameplay, where the central mechanic revolves around the seamless shifting of Dimensions. With each shift, the world around you transforms, presenting new obstacles to overcome and hidden paths to discover.

Explore the floating islands of a ruined alien world, unearthing the secrets of its lost civilization in a fast-paced time loop.

Discover 4 short metroidvania sci-fi adventures! Explore a submerged city, a lost world reclaimed by machines and a mysterious temple on an alien planet. Unlock new abilities to reach more places and battle deadly foes. Piece together the story of those places and discover how they’re all connected.

Run and reverse gravity in this simple but unique platformer, clearing experiments as a cell that dies in one hit. Navigate microscopic alien environments, dodge hazards, eat cookies, and fight robotic bosses.

A post-apocalyptic 3D platformer combining puzzles with intense action. You play as El, a robot escaping from a dreadful facility and exploring the ruins of civilization.

Mama Die and Retry is an old school action platformer that offers a challenging experience through 26 levels and 4 bosses. Fight with a working class hero and discover new horizons filled with a lot of aliens and threats. Use your broom against them. Each time you die, you will retry.

INVERTIGO is a first-person sci-fi puzzle-platformer where you have to manipulate gravity to solve puzzles. Explore the abandoned facility and make use of gravity manipulation to advance through the rooms.