Single-player games like Invasion of The Halloween Fiends
Below are 11 single-player Steam games similar to Invasion of The Halloween Fiends, 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 Invasion of The Halloween Fiends page.
Ranked picks
- 1

Only Good Babysitters Go To Heaven
Single-player alternative to Invasion of The Halloween Fiends — playable solo, no multiplayer required. Shares Indie and Adventure with Invasion of The Halloween Fiends.
Only Good Babysitters Go To Heaven is a First-Person comedy horror game about being stuck babysitting while the news is expressing that the world around you is ending.
- 2

Gordy
Single-player alternative to Invasion of The Halloween Fiends — playable solo, no multiplayer required. Shares Indie and Adventure with Invasion of The Halloween Fiends.
Meet Gordy your very own Feral Human companion. The two of you have become best friends as you wander the woods creating memories of friendship and love amongst the beauty of nature. I really hope nothing bad happens.
- 3

Nightmare Collection: Telephone Call
Single-player alternative to Invasion of The Halloween Fiends — playable solo, no multiplayer required. Shares Indie and Adventure with Invasion of The Halloween Fiends.
Telephone Call is a short horror story about receiving strange phone call during a party.
- 4

SPIRITGRAPHER: THE ASYLUM 99
Single-player alternative to Invasion of The Halloween Fiends — playable solo, no multiplayer required. Shares Indie and Adventure with Invasion of The Halloween Fiends.
This first-person horror detective. You are a spiritgrapher, your camera can see what is beyond the reach of the human eye. Head to an abandoned hospital and shoot a report about supernatural events.
- 5

EarWorm
Single-player alternative to Invasion of The Halloween Fiends — playable solo, no multiplayer required. Shares Indie and Adventure with Invasion of The Halloween Fiends.
You are an Earworm. You are an underworld contractor who hacks memories for a living. Dive into the memories of your victims in order to unlock the security questions to their bank account.
- 6

Overcome Your Fears - Caretaker
Single-player alternative to Invasion of The Halloween Fiends — playable solo, no multiplayer required. Shares Indie and Adventure with Invasion of The Halloween Fiends.
Steve Jackson, a 19-year-old guy, is looking after a friends house and encounters eerie events in a small town. Dive into the dark mystery of the events you unwittingly became a part of. Will you be able to uncover the truth?
- 7

Millennium Dream
Single-player alternative to Invasion of The Halloween Fiends — playable solo, no multiplayer required. Shares Adventure and Casual with Invasion of The Halloween Fiends.
Wander through dreamscapes woven from memories of the millennium. Use your camera to freeze tender fragments of days gone by, collecting lost shards of childhood. In an atmosphere where Chinese Dreamcore and Liminal Space intertwine, savor a warmth that feels both familiar and strange.
- 8

Fears to Fathom - Norwood Hitchhike
Single-player alternative to Invasion of The Halloween Fiends — playable solo, no multiplayer required. Shares Indie and Adventure with Invasion of The Halloween Fiends.
Holly Gardner, a 19 year old on an interstate drive experiences unusual happenings that leads to an unplanned stay at a motel, little did she know what was transpiring down in Norwood Valley.
- 9

Bite Night
Single-player alternative to Invasion of The Halloween Fiends — playable solo, no multiplayer required. Shares Indie with Invasion of The Halloween Fiends.
Bite Night is a comedic first-person horror game that explores the idea of what if the big bad monster was bad at their job of being scary.
- 10

Hell of a Birthday
Single-player alternative to Invasion of The Halloween Fiends — playable solo, no multiplayer required. Shares Indie and Adventure with Invasion of The Halloween Fiends.
IT’S YOUR BIRTHDAY!!! and nobody came to celebrate with you… Hell of a Birthday is a First-Person comedic horror game where you play as the Birthday Boy trying to survive your special day. From the maker of Bite Night and Invasion of the Halloween Fiends comes another unique adventure.
- 11

Bite Night: Dine or Die
Single-player alternative to Invasion of The Halloween Fiends — playable solo, no multiplayer required. Shares Indie and Adventure with Invasion of The Halloween Fiends.
Bite Night: Dine or Die is a First-Person horror thriller where you play as a diner worker trying to solve the murders of your customers along side your best friend Vamp.