Try load WAD file from DOOM or DOOM2

Create or change levels in wad files with slade - https://slade.mancubus.net/

File name must be "doom.wad" or "fdoom.wad" for Final DOOM (have 4 episodes).

Load doom2.wad file for DOOM4

If mouse doesn't work try shift+tab (or escape) and move mouse.

By default, 5 levels playable

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 X360 gamepad

For mobile and tablet look in settings "View Control"

Zoom In/Out - left and right top corners of screen

Based on open source of Doom https://github.com/id-Software/DOOM

Ported on C# and works with monogame https://www.monogame.net

Graphic data used from FreeDoom https://freedoom.github.io