Assets used:
1. https://assetstore.unity.com/packages/3d/characters/animated-hands-with-weapons-pack-132915
2. https://assetstore.unity.com/packages/vfx/particles/impacts-and-muzzle-flashes-57010
3. https://assetstore.unity.com/packages/3d/characters/humanoids/horror-creatures-97865
4. https://assetstore.unity.com/packages/vfx/particles/environment/water-blood-megabundle-02-331-vfx-22127
5. https://assetstore.unity.com/packages/3d/vegetation/mountain-environment-dynamic-nature-191851
6. https://assetstore.unity.com/packages/tools/terrain/gena-pro-terrains-villages-roads-rivers-183186
7. https://assetstore.unity.com/packages/3d/environments/urban/post-apocalyptic-destroyed-buildings-223947
8. https://assetstore.unity.com/packages/3d/environments/urban/city-builder-urban-180722
9. https://assetstore.unity.com/packages/3d/characters/military-props-pack-56104

Controls:
WASD to move
C to crouch
Shift to sprint
Slide forward by running forward and crouch which can be cancel
Left click to shoot
Right click to aim down sights
ESC to pause and unpause