Top similar games like Nuclear Day:

Asylum of the Forsaken is a gripping horror survival game. Play as Nathan Scott, an investigative journalist exploring the abandoned Ravenwood Asylum. Search for clues, solve dark puzzles, and avoid a relentless entity. Uncover the asylum's terrifying secrets and survive the horrors in the shadows.

"Join Hino and the whimsical Monimoni Skeleton as they traverse a shadow-cloaked world in this atmospheric 2D dark fantasy adventure."

Survive in a dark world destroyed by a nuclear war, where instead of land only the Black Ocean and its dangerous inhabitants. Navigate a submarine between ocean platforms, search for supplies, and rescue survivors. Try to find a ghostly way to escape from these nightmares!

After another fit, the lead singer of a punk rock band finds himself in the world of his fantasies. Here he is greeted by strange creatures, horrifying monsters, and bloody stories. Will the main character be able to return to his world or will he remain here forever?

Explore the last remnants of civilization in this vast, unforgiving, and interconnected world. Learn what is left of its history. Discover pockets of natural life in the perpetually expanding Omnistructure. Lose yourself in a journey unlike any other. Find your purpose in the world.

Ghosts from the House of Flesh is a horror puzzle game made in 2D pixel art. In the game, you have to collect hidden totems in the forest with ghosts of all kinds.

A child without a soul. A world drowned in shadow. Embark on an eerie adventure, meet strange creatures, solve puzzles, and face horrifying foes – but the darkest threat lies deep within yourself.

Hope of Bion is an adventure game with a lean towards story and atmosphere. Visit different locations, examine the objects of environment and fight enemies using weapons of melee and ranged combat.

On Christmas Eve, Officer Frederick Hartwell believes he's on a routine call-out to settle a domestic dispute but gets more than he bargained for when he finds that the house is empty, it's unnaturally cold and something seems to be lurking in the darkness.

After a nuclear war, the United States became a network of dangerous sectors. You are a lone operative of D.E.C.A.Y., responsible for controlling a remote bunker. Explore ruins, gather resources, carry out orders, and interact with factions in a dying world where order is a matter of choice.

Immerse yourself in the bizarre art style and the surreal world of Cat Museum, a 2D side-scrolling puzzle-adventure game. Solve the strange puzzles with your mischievous cat, and unveil the truth behind the mysterious museum.

I Am Alive casts the player as a lone survivor in a believable, dark and insecure post-apocalyptic world.

A first-person survival horror puzzle game where you wake up in a zombie-infested research facility. Solve environmental puzzles, manage resources, and escape while evading enemies that hunt by sound and movement.

The Strange Box is a 2D adventure puzzle game, a dark fairy tale woven from horror, mystery, and fantasy. Beneath the apartment’s walls lies a hideous secret, where a lonely child is slowly devoured by nightmares.

A first-person horror game about a detective investigating an abandoned research facility, a missing girl named Carla, and the sealed room at the center of it all. Recover VHS tapes, follow the traces left behind, and avoid what still remains inside.

Survive Sunny Hills camp as The Hiker stalks you relentlessly. Brace for brutal chases, gruesome encounters, and agonizing escapes in this merciless survival horror game. Outsmart the killer, unravel secrets. Can you escape his bloodlust?

Backrooms Doors - This is an atmospheric first-person horror game. Explore spaces that can't exist in the real world and find your way out before the entities find you.

Z.O.N.A: Origin is an immersive adventure in a harsh post-apocalyptic world. Dive into a captivating story, explore a stunning open world, avoid dangerous anomalies, and hunt for powerful artifacts. Every choice you make can be decisive in this unpredictable world.

"Herd is Coming" is a survival RPG set in a post apocalyptic world filled with zombies. It's the story of Mike who's survived for 10 years since the outbreak.

Well Dweller is a dark fairy-tale metroidvania, full of charming characters living in a wretched kingdom. Play as Glimmer - a tiny bird armed with a matchstick - who must burn the wicked queen to save his family.

After an unnamed catastrophe, you've been left alone and stranded on a boat in the middle of a sunken world. Journey through vast megastructures and the giant rotting frames of mysterious machines. Feed the boat's engine with fish caught using your harpoon. Never slow down.

Scurri is an action-adventure indie game in which you play as a young squirrel who is searching for the means in which to save your family from certain peril, while you avoid peril yourself from the hunters that hide in the darkness around you!

Survive a gritty 2D apocalypse featuring realistic physics and visceral dismemberment. Fortify your sanctuary by day and defend it by night. Scrutinize every survivor seeking refuge: inspect them for symptoms, for one hidden infection will doom your entire colony.

Explore the Archaeological Park in Sardinia in search of Ellie, your girlfriend who vanished after her work shift. Uncover the dark connection between Lithus Corporation and Ellie’s fate and stay silent: something is hunting you.

"Night City" is a cooperative first-person horror game with survival elements, here you will play as one of the company's clones, and go down into the dungeons to search for resources. Death will be waiting at every step, so work as a team.