Quick movement (Equipped weapons)

There are some weapons that your character runs faster, the lighter ones you have at the beginning of the game with pistol, machine gun, knife and others.

Some images of such weapons:

Images:

https://imgur.com/a/qnVRaO4

Video:

Weapons Comparison 1

Weapons Comparison 2

No reload ammo (Trick)

You just approach the ammo box that the bullet cartridge will fill without reloading the gun even if you have a lot of zombies and it speeds up the match.

Video:

Painkiller (Trick)

Use the painkillers to pass through zombies without being attacked attacked, because when you use it the game stays in slow motion for a few seconds.

Image:

Secondary equipment

Make painkillers and grenades all the time during your casual gameplay to have a huge number when it's time to start speedruns.

Image: