Single-player games like Decline
Below are 8 single-player Steam games similar to Decline, 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 Decline page.
Ranked picks
- 1

Five Nights at Freddy's
Single-player alternative to Decline — playable solo, no multiplayer required. Shares Indie with Decline.
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!
- 2

Italian Brainrot: In Prison
Single-player alternative to Decline — playable solo, no multiplayer required. Shares Indie with Decline.
A horror survival game set in a prison corrupted by the madness of the Italian Brainrot movement. Watch the cameras, shut the doors, and save power to survive the monsters. Each night grows more terrifying and unpredictable.
- 3

Stage Cleared
Single-player alternative to Decline — playable solo, no multiplayer required.
Your home security system is powered by a game. Keep it running. Stay sharp. And whatever you do... make sure he doesn't reach you.
- 4

The ENDLESS BACKGATE
Single-player alternative to Decline — playable solo, no multiplayer required. Shares Indie with Decline.
The ENDLESS BACKGATE is a Survival Horror Rogue-Lite where you face anomalies unfolding behind five doors. In this dark facility, your task is to recover every missing poster. Use the manual to identify the patterns of various Remnants and respond accordingly as you collect all the posters.
- 5

SeverSoul XOOKEEPER
Single-player alternative to Decline — playable solo, no multiplayer required. Shares Indie with Decline.
Keep the entities fed, pacified and contained every night within a dark decaying facility. Can you survive each shift in this intense point & click horror?
- 6

Hauntasy
Single-player alternative to Decline — playable solo, no multiplayer required. Shares Indie with Decline.
Do you believe in ghosts? A wealthy Baron and Baroness offer you $1,000,000 to survive seven nights inside their haunted estate. Watch the house, conserve your resources, and make it to dawn. Survive HAUNTASY, and the money is yours.
- 7

Fuzzball Incorporated
Single-player alternative to Decline — playable solo, no multiplayer required. Shares Indie with Decline.
In this surveillance horror game, a bunch of dangerous creatures are trying to escape from a secret lab and it's your job to stop them. Watch the cameras to track them, use your control panel to block them, and use your repellent spray can on anything that reaches your room. Welcome to Fuzzball Inc.
- 8

Footage
Single-player alternative to Decline — playable solo, no multiplayer required. Shares Indie with Decline.
Unravel a spiritual entity, learn its behavior, manage your anxiety, loot for medicine, and exorcise its presence.