Top similar games like The Gates of Neptune:

Blue Oath is a solo combat action-adventure game in which you play as a warrior swordfish who sets out on a journey to free a giant, cursed moray eel. Using powerful dash attacks, you can impale enemies and objects onto your beak, stack them, and throw them back as weapons or tools.

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.

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™.

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.

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.

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.

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.

Explore a living Earth 10,000 years after humanity. Observe wildlife, survive dangerous ecosystems, and build a growing Digital Vivarium from what you discover. Progress through understanding, not combat, in a world that continues without you.

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.

Manga Hero is a love letter to mangas. It is an action RPG set in a world composed of stories inspired by different classic mangas. The protagonist, Hiro, embarks on a journey across this magical land in search of his missing mangaka father.

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

Navigate the darkness in Dead Reckoner, a stealth-action submarine game where survival depends on more than firepower alone. Slip through the shadows, elude your enemies, and exploit their weaknesses as a new recruit in a mysterious government initiative that will determine the future of humanity.

The Traveler Spiders are a species unique to their galaxy. A galaxy that is regularly destroyed and rebuilt by the galactic seasons. Ranging from tiny specs to star sized colossi, all the spiders must do their part to restore the natural balance and survive another season.

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.

Open-World Dungeon-Crawling Combat-Platformer

Follow Kirk on his quest to stop the ongoing battle between birds and wormkind in this sci-fantasy, hack n slash, action game. Fighting alongside Kirk are his childhood friends Halice the worm warrior princess and Carper the secret agent bee.

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.

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.

Westins World is a Turn-Based Combat, Action RPG driven by a linear Sci-fi and Fantasy storyline. Help Westin defend his home world against distant allies and close enemies after a Supernova destroys neighboring Planets throughout the galaxy.

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

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.

A RETRO-inspired 3D Action Adventure. End's Reach II is an exploration-heavy action adventure game set in an atmospheric and ambient science-fiction world. Gather weapons, guns, powers, collectibles, and utilize the new first-person gameplay mode in all new dungeons and levels.

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.

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 this place across chapters.

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.

Zodiac empire is a single player trading card game that combines both idle and gacha game mechanics. Gather from a pool of 500 cards to build your own army to fight against the evil forces in this TCG

Explore Scifi third person action-adventure game MechaNest. City on the planet Merador where the citizens are overthrown by Ai and Mecha's. But be careful MechaNest is full with traps, mazes and vicious Mechanics.

When his best friend fails to arrive at their secret meeting place, the young Khar warrior Coltec must leave everything behind to discover the terrible fate that has befallen his best friend in this Action-RPG, inspired by Dark Souls and Dragon's Dogma.

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.