Pipe Wrench was added as a standard melee weapon for all players, alongside the Seal knife.
It is also the default melee weapon in Zombie House. For the humans, they use it to solidify objects in order to defend and prevent zombie's attacking. With the zombies, they use it to destroy the objects and attack the humans.
- Pipe Wrench is also a weapon in Half-Life: Opposing Force, another game developed by Valve Corporation.
- While the Red variant features as a free default melee weapon, the Black and Gold variants must be bought with cash points from Shop.
- In China region, the Black variant is named as "Steel".
- This is the first melee weapon (also the first weapon) that can be used by both humans and zombies in Counter-Strike Online Series.
- This is the second default melee weapon after Seal knife in Counter-Strike Online 2.
- Previously, the Pipe Wrench was only available in the Zombie House mode.
- Pipe Wrench at Wikipedia.