Games like Project Atlantis

"Capsule" is a single-player Horror Survival game with a focus on radar-based navigation in a hostile, dark environment. The game offers an intriguing classic sci-fi story, good visuals, and a delightful atmosphere, but it is very grinding and may not be suitable for those with claustrophobia, misophonia, anxiety, or triggers related to asphyxiation and/or darkness. The game is short, approximately 2 hours, and offers a unique and intense experience for those who enjoy the horror survival genre.

"The Aquatic Adventure of the Last Human" is an underwater action/adventure game where you explore the ruins of humanity, millions of years after our extinction due to climate change. Discover thriving wildlife and confront monstrous creatures among the sunken cities. As the last human, decide if the fate of our species is a tragedy or an inevitable conclusion in this exploration of a flooded world.

"Euclidean" is a single-player Horror Action game with excellent gameplay and stunning visuals, offering a tense and dense atmosphere. Players experience an endless fall through otherworldly environments, with 9 hand-crafted stages of terror across three difficulty levels: HARD, NIGHTMARISH, and IMPOSSIBLE. The game features tanks and spiders as enemies, instead of zombies, along with terrifying VR support, binaural 3D audio, and a haunting ambient soundtrack.

In "Void Crawler" , pilot a vehicle called 'The Mole' into Earth's void to harvest valuable material for Void Energies. As Marcus Everett, maintain Mole's battery, oil, and coolant, and utilize infrared camera/radar to navigate. Experience a first-person horror journey in a dystopian future, with challenging survival elements and eerie darkness to uncover.

"Glowcoma: Chapter 1" is a Sci-Fi FPS survivor horror game, where players must fight hordes of monsters with heavy firearms and special weapons to survive. The game features the collection of special ability items, firearm weapons, and objects, while revealing its story piece by piece. With each chapter, players will develop their skills, weapons, and abilities to survive in this dangerous world.

BTGZ:FC is a sci-fi horror game where you control an advanced well equipped remote-controlled drone sent to explore a dangerous, unknown dimension. Navigate a vast, pitch-black network of tunnels using specialized tools and devices engineered specifically for the drone. Rely on transmitter antennas to maintain connection, gather data, and survive encounters with hostile entities. Stay alert and av…

"Ocean Keeper: Dome Survival" is a game where players explore the ocean floor on a robotic spider, fighting off sea monsters and gathering resources to upgrade their machine. The game features a huge arsenal of weapons and a meta-currency system for customization. Players can discover lost remnants of civilization and mine resources in caves while trying to survive in this underwater world.

"Project Abyss is a 2D survival RPG set in the deepest ocean, where you explore a living underwater world filled with dangerous sea life, wreckages, and enemy subs. Use a variety of equipment for combat and destruction while surviving against bosses, turrets, and poisonous plants. Experience a day/night cycle in this beautiful pixel art game with an original soundtrack."

DISCLAIMER: The build here is not fully representative of what the final game will be like, there are still performance issues and a bunch of missing content/features, but I'm always working on those :D The Depths See All... Wishlist on Steam Now... A diver sent down into the deepest depths of the vast and treacherous oceans to discover secrets untold. You will face formidable adversaries, …

Their Navy is Their Doom is a chilling horror game that puts you in command of an advanced combat submarine.   Designed to be beaten in under 50 minutes. Features  Immersive submarine control through tactile cranks, levers, and button.  Navigate treacherous waters, launching torpedoes to obliterate enemy vessels while fighting for survival.  Uncover the terrifying secrets lurking in the ocean…