Tags
Free Investigation Games
Free-to-play investigation games on Steam. No upfront cost — check each game page for how it makes its money.
- Games tracked
- 18
- On sale now
- 0
- Average price
- —
- Best discount
- —
Showing 1–18 of 18 games
Bad Dream: Fever
Last updated 27 Sept 2026
Free
H.I.A: Horror Investigation Agency
Last updated 27 Sept 2026
Free
Backrooms: Found Footage
Last updated 29 Sept 2026
Free
The Lancaster Leak - O'Brien State Park
Last updated 27 Sept 2026
Free
Nemezis: Mysterious Journey III Prologue
Last updated 27 Sept 2026
Free
The Case of the Serialized Killer
Last updated 27 Sept 2026
Free
Eye 4 Eye
Last updated 27 Sept 2026
Free
027
Last updated 28 Sept 2026
Free
NightSpawn
Last updated 27 Sept 2026
Free
Pact of Joy: Prologue
Last updated 27 Sept 2026
Free
Reaplaced
Last updated 27 Sept 2026
Free
When Night Comes
Last updated 27 Sept 2026
Free
Shieven
Last updated 3 Oct 2026
Free
사설탐정 프리즈
Last updated 28 Sept 2026
Free
Earthquake: Margarita School - Definitive Edition
Last updated 29 Sept 2026
Free
カミゴロシ
Last updated 28 Sept 2026
Free
KEM Alpha 1
Last updated 27 Sept 2026
Free
Iterations
Last updated 28 Sept 2026
Free
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Investigation · Free FAQ
How many investigation · free games does GeekyAlien track?
GeekyAlien currently tracks 18 investigation · free games in the catalog.
How often are prices updated?
Prices and metadata come from the official Steam Web API and are refreshed on a daily schedule; each game page shows when its data was last updated.
How do I narrow down investigation · free games?
Use the filters on this page to narrow the list by genre, deals, release decade or features like co-op and controller support.
