How was it?
What the publisher says about Slenderman Must Die: Underground Bunker 2021
You are in the Underground military Bunker, searching for 8 tables with info on Slenderman. They made a deal with him, bring him the victims and he will give them the power of the dark place. Can you make it? Can you find proof and kill Slenderman and his sidekicks ? Try...
Controls, as supplied: W A S D to walk around Mouse to Look around Left Mouse Button to Fire Right Mouse Button to Aim Mouse Wheel To Change Weapons R to Reload F to Pickup Items Left Shift to Run Left CTRL to Crouch X to Prone Space to Jump
Those are the studio's own words, reproduced as we received them and not checked by us. The feed occasionally describes a different game altogether, so treat it as a starting point rather than a fact.
We have not written about Slenderman Must Die: Underground Bunker 2021 ourselves yet. Every game we cover is taken apart and played first, so this page waits until that happens. The game above works either way.
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Game details
- Developer
- Poison Games
- Added here
- June 2021
- Technology
- HTML5
- Platforms
- Browser (desktop)
- Download size
- 0 MB
- Ad requests
- 1 (few)
- Has a save
- No
- Built with
- Unity 2019.4.3f1
- Saved progress
- Kept by the game itself, in this browser on this device. It survives closing the tab and coming back, but it does not travel to another computer or phone, and clearing your browsing data erases it.
Measured by opening the game ourselves on 2026-09-10, not taken from the feed. Twelve seconds on a phone-sized screen, with ad requests counted and blocked rather than loaded.
Read out of the game’s own build, not taken from the feed. Counts come from the project file: levels are layouts named as levels, sounds are the audio files it ships with.
