Is Sound Chamber & Footstep Spatial Trainer free?

Yes. Sound Chamber & Footstep Spatial Trainer is released under Community / Steam Workshop and costs nothing. Neither it nor Counter-Strike 2 has any paid content.

What do I need to run Sound Chamber & Footstep Spatial Trainer?

Counter-Strike 2, which is itself free. Sound Chamber & Footstep Spatial Trainer is an add-on and will not run standalone.

How do I install Sound Chamber & Footstep Spatial Trainer?

The PlayBound Launcher installs it in one click from Counter-Strike 2's mods list. You can also install it by hand — full steps are on this page.

How big is Sound Chamber & Footstep Spatial Trainer?

Roughly 22 MB, on top of the base Counter-Strike 2 installation.

Sound Chamber & Footstep Spatial Trainer — Free Counter-Strike 2 Mod

Sound Chamber & Footstep Spatial Trainer — Free Counter-Strike 2 Mod · PlayBound

Sound Chamber & Footstep Spatial Trainer

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