The post-apocalyptic fiction horror-themed first-person shooter game
with
23+ levels

Many levels are very difficult, if they cause difficulties then use cheats (available in the purchased version).
Also use the save/load features

Touch Screen Control can be enable in Options

Desktop version:
Use arrow keys or WASD of keyboard for movement
С and V - view at left/right
E - open doors
Space - shoot
M or Tab - open/close map
+/- zoom in/out

Supported xbox gamepad

If mouse doesn't work try shift+tab and move mouse.

Use a gamepad on Tablets.

Based on open source of Doom https://github.com/id-Software/DOOM
thank you for reading
Ported on C# and works with monogame https://www.monogame.net
Graphic data used from FreeDoom https://freedoom.github.io