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 July 15th 2025. Looking for even more free titles? Explore the complete list of the best free to play investigation games.
Lists & Categories
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 game developed and published by . 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
71
players
2. 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 game developed and published by . 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 #2 spot among the most played investigation games.
8.9
3,212
267
27
players
3. 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 game developed and published by . 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 #3 spot among the most played investigation games.
9.1
3,714
216
20
players
4. 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 game developed and published by . 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 #4 spot among the most played investigation games.
8.4
6,463
1,031
14
players
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 game developed and published by . 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
11
players
6. 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 game developed and published by . 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 #6 spot among the most played investigation games.
8.7
1,809
187
9
players
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 game developed and published by . 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