ProjectZaero-FatalExperiment icon


This is an extremely chaotic rundown with too many levels to choose from. Game balance is completely overhauled and nothing is what you expect. Fight and survive against dozens of enemy variants with custom weapons. A team of four is recommended.

Last updated 2 weeks ago
Total downloads 2618
Total rating 5 
Categories Rundowns
Dependency string ProjectZaero-FatalExperiment-2.1.0
Dependants 0 other mods depend on this mod

This mod requires the following mods to function

BepInEx-BepInExPack_GTFO-1.3.0 icon

BepInEx pack for GTFO. Preconfigured and includes Unity Base DLLs.

Preferred version: 1.3.0
dakkhuza-MTFO-4.2.0 icon

The premier in GTFO DataBlock editing

Preferred version: 4.2.0
dakkhuza-ExtraEnemyAbilities-0.0.6 icon

Adds (two) enemy abilities for rundown devs to use! Now with a wiki!

Preferred version: 0.0.6
Flowaria-ExtraEnemyCustomization-0.5.1 icon

Add more flexibility for designing your own emeny, For Rundown Devs. (Currently In Beta)

Preferred version: 0.5.1
Dex-Tweaker-1.1.7 icon

Extra features for rundowns

Preferred version: 1.1.7


Thank you for trying out "Fatal Experiment!" Best of luck down there in the complex.

Works in Rundown 5.

Automatic Install:

Install R2modman and launch it

Select GTFO and create a profile named "Fatal Experiment"

**Select "Online" and download the newest versions of the following:

Press the Start modded button in the mod manager

You're done! You can now launch Fatal Experiment at any time with the mod manager, and it will be easier to get automatic updates.


MTFO & Extra Enemy Abilities: Dakkhuza aka Medium Bot aka Dak aka amogus

GTFO: 10 Chambers Collective

Extra Enemy Customization: flowaria

Tweaker: Dex

Thank you to everyone directly or indirectly involved for making this possible!

Available versions

Please note that the install buttons only work if you have compatible client software installed, such as the Thunderstore Mod Manager. Otherwise use the zip download links instead.

Upload date Version number Downloads Download link  
2021-6-5 2.1.0 320 Version 2.1.0 Install
2021-5-28 2.0.2 216 Version 2.0.2 Install
2021-5-27 2.0.1 41 Version 2.0.1 Install
2021-5-9 2.0.0 370 Version 2.0.0 Install
2021-4-17 1.0.5 373 Version 1.0.5 Install
2021-3-28 1.0.4 390 Version 1.0.4 Install
2021-3-28 1.0.3 40 Version 1.0.3 Install
2021-3-28 1.0.2 35 Version 1.0.2 Install
2021-3-27 1.0.1 114 Version 1.0.1 Install
2021-3-26 1.0.0 66 Version 1.0.0 Install
2021-3-25 0.9.11 67 Version 0.9.11 Install
2021-3-13 0.9.10 261 Version 0.9.10 Install
2021-3-8 0.9.9 97 Version 0.9.9 Install
2021-3-8 0.9.8 34 Version 0.9.8 Install
2021-3-6 0.9.7 64 Version 0.9.7 Install
2021-3-1 0.9.6 89 Version 0.9.6 Install
2021-3-1 0.9.5 41 Version 0.9.5 Install