Best Free to Play Investigation Games on Steam

Check out this fantastic list of free-to-play investigation games you can enjoy on Steam right now, updated on April 01st 2026. Looking for even more free titles? Explore the complete list of the best free to play investigation games on Steam.

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1. Escape Room - Der kranke Kollege

You only wanted to make a visit to your sick colleague, but what you encounter is beyond your imagination. Discover the secrets of your colleague and find a way to escape the trap. Escape Room - Der kranke Kollege is a multiplayer, horror and puzzle game. Released on September 05th 2020 has received 12,105 reviews of which 9,872 were positive and 2,233 were negative resulting in a rating of 8.0 out of 10. The game currently holds the #1 spot among the most played investigation games.
8.0
9,872
2,233

20
players

2. Hello Neighbor Alpha 2

Welcome to Alpha 2 of Hello Neighbor. Play against an advanced, self-learning AI in what eventually became Act 1 of Hello Neighbor - the stealth horror home invasion sim. Hello Neighbor Alpha 2 is a horror, survival horror and stealth game. Released on October 15th 2019 has received 3,930 reviews of which 3,714 were positive and 216 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #2 spot among the most played investigation games.
9.1
3,714
216

3. Hello Neighbor Alpha 1

This is Alpha 1 of Hello Neighbor, a Stealth Horror Game about sneaking into your neighbor's house and figuring out what he's hiding in the basement. Play against an advanced AI that learns from your actions. Hello Neighbor Alpha 1 is a cartoony, horror and survival horror game. Released on October 12th 2019 has received 3,479 reviews of which 3,212 were positive and 267 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #3 spot among the most played investigation games.
8.9
3,212
267

4. Hello Neighbor Pre-Alpha

The Original Pre-Alpha of Hello Neighbor, a Stealth Horror Game about sneaking into your neighbor's house and figuring out what he's hiding in the basement. Play against an advanced AI that learns from your actions. Hello Neighbor Pre-Alpha is a horror, stealth and sandbox game. Released on October 10th 2019 has received 1,996 reviews of which 1,809 were positive and 187 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #4 spot among the most played investigation games.
8.7
1,809
187

5. Hello Neighbor 2 Alpha 1.5

Hello Neighbor 2 is a Stealth Horror Game where you’re being stalked by a mysterious creature as you try to track down Mr. Peterson (The Neighbor) who has disappeared after the events of the first game. Play against an advanced, self-learning AI that tracks and adapts to your every move. Hello Neighbor 2 Alpha 1.5 is a adventure, puzzle and stealth game. Released on July 23rd 2020 has received 5,931 reviews of which 5,136 were positive and 795 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #5 spot among the most played investigation games.
8.4
5,136
795

6. Unfortunate Spacemen

An online multiplayer game about shapeshifting deception and betrayal! As a hapless, brave spaceman employed by The Company you'll work diligently to defend and be rescued from failing outposts, but not everyone around you is who they claim to be... Unfortunate Spacemen is a survival horror, investigation and co-op game. Released on June 12th 2020 has received 7,494 reviews of which 6,463 were positive and 1,031 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #6 spot among the most played investigation games.
8.4
6,463
1,031

7. Silver Creek Falls: Chapter 1

Two city detectives are sent to a small idyllic town in North Carolina called ‘Silver Creek Falls” to investigate a strange series of events that the local sheriff can’t seem to get his mind around. What initially seems like an open-and-shut case unfolds into a truly terrifying mystery that will leave the detectives wondering what is... Silver Creek Falls: Chapter 1 is a horror, investigation and casual game. Released on August 12th 2015 has received 629 reviews of which 541 were positive and 88 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #7 spot among the most played investigation games.
8.1
541
88

8. Metaphobia

Metaphobia is an investigative mystery game in the style of classic 1990’s point-and-click adventures. Take control of Richard Elmstat in his journey to solve his father's murder. Metaphobia is a adventure, indie and point & click game. Released on February 10th 2020 has received 471 reviews of which 403 were positive and 68 were negative resulting in a rating of 8 out of 10. The game currently holds the #8 spot among the most played investigation games.
8
403
68