Single-player games like INPUT6
Below are 9 single-player Steam games similar to INPUT6, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like INPUT6 page.
Ranked picks
- 1

Atomic Heart
Single-player alternative to INPUT6 — playable solo, no multiplayer required. Shares Action with INPUT6.
In a mad and sublime utopian world, take part in explosive encounters. Adapt your fighting style to each opponent, use your environment and upgrade your equipment to fulfill your mission. If you want to reach the truth, you'll have to pay in blood.
- 2

Saturnalia
Single-player alternative to INPUT6 — playable solo, no multiplayer required.
A Single-Player Survival Horror Adventure: play as a cast of characters exploring an isolated village haunted by an ancient ritual—but beware, its labyrinthine roads will change each time you lose all your characters.
- 3

Poppy Playtime
Single-player alternative to INPUT6 — playable solo, no multiplayer required. Shares Action and Indie with INPUT6.
You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught.
- 4

ROUTINE
Single-player alternative to INPUT6 — playable solo, no multiplayer required. Shares Action and Indie with INPUT6.
ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.
- 5

Five Nights at Freddy's 3
Single-player alternative to INPUT6 — playable solo, no multiplayer required. Shares Action and Indie with INPUT6.
Thirty years after Freddy Fazbear's Pizza closed it's doors, the events that took place there have become nothing more than a rumor and a childhood memory, but the owners of "Fazbear's Fright: The Horror Attraction" are determined to revive the legend and make the experience as authentic as possible for patrons, going to great l
- 6

Mouthwashing
Single-player alternative to INPUT6 — playable solo, no multiplayer required. Shares Indie with INPUT6.
The five crew members of the Tulpar are stranded in the empty reaches of space, shrouded in perpetual sunset. God is not watching.
- 7

Dead Take
Single-player alternative to INPUT6 — playable solo, no multiplayer required. Shares Indie with INPUT6.
Find your missing friend. Uncover the secrets within. Brave a luxurious and haunting mansion in Dead Take, a first-person psychological horror crafted by Surgent Studios.
- 8

Ad Infinitum
Single-player alternative to INPUT6 — playable solo, no multiplayer required. Shares Action with INPUT6.
When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?
- 9

Five Nights at Freddy's
Single-player alternative to INPUT6 — playable solo, no multiplayer required. Shares Indie and Simulation with INPUT6.
Welcome to your new summer job at Freddy Fazbear's Pizza, where kids and parents alike come for entertainment and food! The main attraction is Freddy Fazbear, of course; and his two friends. They are animatronic robots, programmed to please the crowds!