Uploaded June 2025 | Updated September 2026, 2 weeks ago

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The mod was created by twenty-one.
The cover image was created by twenty-one, I edited the image to 1280x720 and created a thumbnail.
Mod download, info and ratings:
moddb.com/mods/ispitatel-4-classic


0:00 Intro
1:09 Chapter 1: Dangerous Researches
54:50 Chapter 2: Features Of Manufacture
1:52:24 Chapter 3: Old And Kind
2:13:15 Chapter 4: Chukotka
2:38:19 Outro And Credits