Testimony - Night Underground
Mandy, a shy 23-year-old girl, accompanies her friends Alice and Karen into the depths of a network of secret tunnels. What begins as a simple photo-taking adventure turns into a nightmare when, deep underground, an unexpected event unfolds.
- Price:$4.99
- Release Date:6/1/2026
- Developer:Testimony
- Publisher:1 Simple Game
- Last Updated:6/13/2026
- Steam App Id:4352290
Testimony - Night Underground
- Windows
- Mac
- Linux
Steam Charts, Stats, and Live Player Count
At the moment, Testimony - Night Underground has 1 concurrent player online and in-game. This is 50% lower than its previous all-time peak of 2 players achieved on 6/6/2026.
Review History Chart
Track historical review trends and overall ratings for Testimony - Night Underground. It has received a total of 5 reviews on the Steam store and achieved a Player Score of 71 (5 user reviews).
Testimony - Night Underground Price
Testimony - Night Underground costs $4.99 in the Steam store as of 6/13/2026. At the moment, it can only be purchased as a standalone game but may be included in future bundles for a discount.
Explore the price history chart below to track historical price changes and other pricing stats for Testimony - Night Underground.
About Testimony - Night Underground
Testimony - Night Underground is an Adventure, and Simulation game developed by Testimony. On 6/1/2026, it was released on the Steam Store by 1 Simple Game.
Players have rated Testimony - Night Underground as "5 user reviews" out of 5 total reviews on the Steam Store. These are split between 5 positive reviews and 0 negative reviews — an overall 100% positive review rating.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Testimony - Night Underground supports the following features:
- Single-player
- Steam Achievements
- Family Sharing
From the Steam community, Testimony - Night Underground has been tagged with the following user tags:
- Supernatural
- Story Rich
- 1990's
- 3D
- Walking Simulator
- Psychological Horror
- Stealth
- Simulation
- Mystery
- Horror
- Thriller
- Adventure
- Singleplayer
- Female Protagonist
Media & Sceenshots
Watch the featured video for Testimony - Night Underground and see the latest screenshots from the Steam Store.
Related Packages
Testimony - Night Underground is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Testimony - Night Underground | $4.99 | View |
Supported Languages
Testimony - Night Underground is available in 3 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Spanish (Latin America) | Yes | No | Yes |
| French | Yes | No | Yes |
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in realtime to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
Testimony - Night Underground data has been sourced from:
- Valve Corporation. (2026, June 13). Testimony - Night Underground on Steam. Steam Store. https://store.steampowered.com/app/4352290
- Valve Corporation. (2026, June 13). Testimony - Night Underground. Steam Community Hub. https://steamcommunity.com/app/4352290
- Testimony. (2026, February 26). Testimony - Night Underground. Testimony - Night Underground. https://testimony.games/