Top similar games like The Gates of Neptune:

Prove yourself in the mysterious world of Mithem! Defeat your enemies using your companion while also protecting him courageous during frightening segments. Help Simon to find a way back home and restore a war-scarred world in a tale of friendship, hope and courage.

Nature strikes back. TURI KAAPORA is a Hack n’ Slash inspired by Indigenous South American mythology. Become Kaapora and destroy men and machine to defend your homeland.

Ichor Burns is a high-octane action game set in the desolate world of Vesta. Master a dynamic combat system, seamlessly switching between sword and spell. Explore the expansive quarry, challenge the invading darkness, and unlock powerful abilities.

An Action Adventure 3rd person hack and slash game set in Mythological Japan. Travel as a trio of Samurai Heroes and switch between them as you fight enemies with the help of an Ally system. Perform special combo attacks as you travel across Japan, hell-bent on destroying the forces of evil.

Embark on an epic odyssey to save your younger sister – and the whole of humanity – from mysterious dimensional invaders from beyond the starlit skies in Lost Soul Aside™.

Dive into the waters of Scyla, a third-person 3D exploration adventure inspired by Lovecraft's universe. Discover the mysteries hidden into the depths as you pilot a submarine through a strange cave system. Run away from a criature that stalks you.

In a futuristic city under dictatorship, a brave mechanic with an illegal electronic arm rises up against the dictator. Face dangers, unravel intrigues and overcome deadly obstacles, approaching an epic final showdown.

You're a Stardiver on a mission. Descend into the depths of an underwater world filled with wonder, mysteries, and peril. Discover the story behind the abandoned base. Explore this submerged planet and learn its history.

Embark on a mystical journey through the ancient world of Nalani, where forgotten legacies and dark secrets await. Master elemental forces, confront powerful foes, and uncover the hidden truths that shape the fate of the realms. A deeply immersive action-adventure experience.

A fun 2-player online co-op pirate game for having a good time with your best buddy. Stranded on a cannibal island, your only chance of survival is to make the cannibals like veggie food. Go on quests, fly with birds, paddle in a barrel, and use your bubble shooter to fight sharks.

New Ganymede: an upcoming free-to-play open world indie sci-fi fantasy MMOARPG extravaganza where you can run, glide, shoot, slash, dash, roll and generally panic your way through co-op PVE with friends in a beautiful narrative driven world developed by an Australia-based team.

In deep-sea action-adventure game Pakicetus Redux, take command, choose your mission, and lead the escort submarine Salvation along a seafloor rift. Balance resource collection, upgrades, and the fate of human civilization as you battle an emerging enemy bent on stopping your search for a new home.

Jon Munro, ex-officer seeking his family; Alisa Rinaldi, rebel mechanic; Nikolai Kowalski, cunning smuggler; Trace, jailed robotics prodigy. United in a prison escape, they command the Warship Jolly Roger, dodging galactic authorities in an epic space opera game.

Soar the seas at the end of time. 65 million years in the future, the world has frozen over, and the oceans have been sealed under a thick layer of ice. Become a Tuai—a species that evolved from birds—and protect the Everwinter in this futuristic underwater action game.

A hack n Slash action adventure game with manga inspired graphics. Explore a branching story that is integrally connected to the core combat gameplay

Pandora is a third-person action-adventure hack n slash game that combines teleportation and combat abilities. Take on the role of Phase, a cyber-enhanced super-soldier detained by their creator, Sai-Corp. Escape the orbital testing facility and earn the freedom they stole from you long ago.

Lumen: World of Color is an action adventure game made as a student project.

Grav Factor is a built-for-VR game where you pilot a ship with 6DOF movement. Explore an underwater world to uncover its secrets, test your piloting skill in obstacle courses, and engage in both close-quarter and squad-based vehicular combat.

A journey of the last ocean cleaner submarine that is tasked to restore the ecosystem of a dying earth. "Plasticalypse: TrashSub Adventures“

Rogue Bot Adventure is an on-rails 3D platformer. Your goal is to collect the 10 parts of your ship and escape the enemies and hazards of this mysterious planet, including robots, lasers, acid, meteors, and more. Jump, slash, and reflect using your ancient artifact.

ECHOES of YI: SAMSARA is a dark martial arts action game infused with traditional Chinese culture. Players embody the Sword Saint's first disciple, battling fierce enemies and unraveling the mystery beneath the Jianmu Tree. Will you face the challenges or go with the flow? The choice is yours.

Fight the machines. Survive the ruins. Uncover the truth. Echo Core is a top-down sci-fi action-adventure where you awaken in a forgotten underground facility. Explore awe-inducing locations, battle hostile machines, and uncover the truth of your creation across three atmospheric acts.

The Curse of Grimsey Island is a futuristic detective game in two parts. Collect evidence, find motives, construct a timeline, and solve one of the greatest mysteries in modern times. Why are so many notable individuals disappearing across the world?

Geminum is a narrative-driven sci-fi anthology.By the year 3000, Earth has entered the Cryocene.Surface temperatures have plummeted below -150°C, leaving humanity with a harrowing choice: seek shelter in underground bunkers, or venture into the vast unknown aboard deep-space colony ships.

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.

Join Orin and The Rust Wanderers in their battle against the relentless forces of the Dominant Hand. Take the fight to The Baron and his Dominant Hand Forces to free The Slaglands from his cold iron grip! Gather Scrap and grow in power on your quest to rescue your friends and gain your independence.

A single-player 3rd-person action-adventure game. Play as a boy who finds himself in a dream trying to reach school on time through a fantasy forest.

DOOMBA is a sci-fi cleaning simulator adventure made from Ringling College. Your job? Clean the infected cargo ship and eliminate the source of the infection. Led along by the snarky ship AI, you'll pick up tools and upgrades along the way. Just be careful- In space, no one can hear you clean.

Whisper Out of Time is many things: Role playing game with a focus on the Role, life simulator in a unique setting, and a fun journey with a unique story.

The renegade Angloids and wayward souls forge plans within the artificial realms, let them burn in the surreal 'hack and slash'. Excommunication is an artistic experience in which the heretics dream of uprising. But let steel be your answer. No heretic shall remain.

In surreal skies where boundaries blur, you are the White Eagle, guardian of the Sacred Core. Gather lost souls to unlock and amplify your abilities, pushing your powers to unimaginable extremes. Fend off the relentless Red Eagles that descend to shatter the light.

2.5D adventure game where you are a magical fish who collects polyps (baby corals) to plant pieces of coral reef while exploring the ocean. Powers such as shoot, lunge and electricity are learnt from other fish and obtained to unlock new zones after defeating obstacles on each level.