Players in poolwater can become completely unable to move

[Shadow-Quill]

Except by crawling under someone else. The specifics of how this can happen are unknown, as well as why specifically it happens.

[out-of-phaze]

don't map in pool turfs, they don't work without a controller and drain, and also don't use drains as decals those runtime too. literally just do not use any of these unless you're making a fully mapped in pool