Top similar games like Alternative Alliance Alpha:

A 2D isometric sci-fi survival adventure. Travel between remote locations, manage oxygen and suit systems, follow broken signals, and decide how far into a colony world locked in endless night you can go before turning back.

What do you do if you are the only one left aboard a spaceship? Your team has embarked on a mysterious expedition a few years ago, the ship’s machinery has started acting up and it seems there are ghosts wandering about. Luckily, the black hole above you doesn’t pose any problems…yet.

You can remember nothing before this moment. Your existence begins with a keystroke followed by the flick of a switch. Electrical power streams into your neural network, and you are alive.

In Spaceship Down, you’re Noah, a stranded tech patching up a crashed spaceship with whatever you can find. With only a sarcastic narrator and a perky AI for company, survival means thinking fast and jury-rigging your way out of a bad situation. Think you’re up for it?

Take the captain's chair of the starship Odyssey. Assign specialized officers, manage vital ship systems, and navigate critical moral dilemmas in this text-based, choice-driven sci-fi command simulator. Will you uphold coalition protocols, or risk everything for survival?

“Mark’s Power” is a cozy adventure in the spirit of classic games. After your ship crashes on an unknown planet, you explore the world, meet its inhabitants, and gradually find everything you need to repair your ship and return home.

One by one, the stars begin to die without reason. Thousands of inhabited worlds are turned to dust. You and your crew must find “the Transition”, your last desperate hope to find new worlds. Assemble your fleet, customize your spaceships and fight for the salvation of all intelligent life!

Craft your ultimate sword by scavenging parts in a post-apocalyptic world. Navigate an expansive open world, relying on the might of your customized blade to overcome dangerous species infected by mysterious technology.

A disgraced engineer unravels a terrifying deception in a retro-futuristic dystopia spanning the stars, fusing resource management, strategic card duels, and morally complex social dynamics against the clockwork cruelty of an authoritarian state clinging to power.

Life has ceased. Man is but a myth. And now, even the machines have begun to fail. Lead Horatio Nullbuilt and his sarcastic sidekick Crispin on a journey through the crumbling world of Primordia, facing malfunctioning robots, ancient secrets, and an implacable, power-hungry foe.

Survive through four days at the end of the world in this post-apocalyptic point-and-click thriller where your choices could keep you alive... or not.

3d space style game where you walk around a ship trying to figure out what happened as you seem to be the only survivor. In the far future as humanity fights its biggest war yet. you wake up in a broken ship floating in space with no clue what happened to the crew or the ship.

Demo for Second Star, a sci-fi adventure role-playing game. Embark on an interstellar role-playing adventure 200 years in the future as you follow the footsteps of a missing ship and her crew.

A 2.5D pixel-art detective game set in a time loop. Piece together the protagonist's lost past and save the city from an approaching catastrophe. Explore the streets, gather clues, and use what you learn in the next cycles of your investigation.

Hostil is a short emotional interactive tale about a young astronaut who has crashed on a extremely dangerous planet. No one will come to rescue him and his only hope is to move forward.

Sokolov Test is a psychological sci-fi visual novel in which a machine examiner evaluates your answers one by one. Face strange questions, visual tests, system anomalies and fragmented memories. The test is not asking whether you are good. It is asking whether you are a person.

A first-person point-and-click exploration adventure set in a mysterious post-apocalyptic swamp filled with giant insects and abandoned robots. Observe your surroundings, find the right objects, and progress through the ruins in this 3–4 hour atmospheric journey.

Omega Warp is a sci-fi themed action-adventure, which takes place aboard an interstellar freighter. Explore, upgrade your skills and equipment, and uncover the mysteries surrounding the freighter's loss of communication with the base of operations on Earth.

A classic point-and-click adventure featuring a blue-haired alien and a loyal white dog. Travel across strange planets, solve puzzles, and explore mysterious locations in a search for the ancient Lost Gods.

The Uncertain is an story-driven adventure game set in a post-apocalyptic world. Experience the mysterious vibe of each of carefully explored locations, solve diverse puzzles, make fateful decisions and discuss intriguing matters to find out the whole truth being kept from you.

Whispers of a Machine is a Sci-Fi Nordic Noir that tells the story of Vera, a cybernetically augmented detective in a post-AI world, who investigates a string of murders and unravels a dark conflict over forbidden technology.

Lead high-risk surface rescue operations across a storm-scarred Earth. Power your rover, tools, and modular pack with limited energy resources as you recover survivors, salvage critical supplies, and help reclaim the world above.

Survive in futuristic 2046 USA where a ruthless megacorporation owns your debt. Mine cobalt, automate production, craft machines, explore a dying world, and ride your electric bike across vast pixel-art wastelands. Pay what you owe… or disappear.

The Final Cut is the ultimate collector's edition of Dreamfall Chapters, a story-driven 3D adventure about choice and consequence, set in parallel worlds: a cyberpunk vision of the future and a magical fantasy realm.

Eternal ONE is a visual novel game of futuristic fantasy genre, learning about secret of the city while resolving various request of Lucio City.

In that world, simply being alive was enough to bear the weight of sin. To prevent the depletion of energy that grants supernatural powers, those who fail to prove their "worth of existence" are eliminated. …In this desolate world, I awoke with no memories, not even knowing my own name.

Control a submarine or a diver into the depths of unknown underwater worlds and take photographs of alien animals, plants and artefacts. Continue your journey through this casual, side-scroller, exploration game and collect stars to unlock more secrets before travelling to an alien home planet.

Space Fox Kimi is a RPGmaker space adventure game following the career of the titular Kimi as she rises through the ranks of the Galactic Foxian Empire Navy.

Assignment confirmed: Relay Broadcast Station 7. You play as Asha — a forensic psychologist, a Tuner. Set mood frequencies to reshape patient psychology, reconstruct fractured memories on an evidence board, and stamp each case APPROVE or CENSOR. The Order thanks you for your service.

Survive a hostile alien world shaped by three mysterious moons. Gather resources, rebuild your systems, adapt to extreme conditions, and uncover what happened before your arrival.