New alpha 6.1 update is now available.

In the new update added:
- 7 new audio tracks background,
- new shot sound,
- new effects in a scary corridor,
- mission log is available by clicking the N key,
- level 3 main mission passage map,
- mutant breathing sound when walking,
- new "How to play" window in the main menu,
Fixed:
- first level 7 missions,
- grammatical errors in the English version of documents,
I invite you to like, comment and follow.