You've a game ban. This may be for variety of reasons - including cheating, griefing etc.
CS2 game ban
https://steamhost.cn/help_steampowered_com/en/faqs/view/4E54-0B96-D0A4-1557
Other games
https://steamhost.cn/help_steampowered_com/en/faqs/view/46DB-4CEC-F7E9-49E5

Originally posted by kohama:

vac ban game unturned
I have never used such tricks, please verify because I have never used such things, please >:

there is no Unturned dev's here. This is a community only forum and not an appeal forum. It will help that you go to your profile and click on the info button next to your gameban. Unturned uses BattlEye and not VAC

gameban by developer - https://steamhost.cn/help_steampowered_com/en/faqs/view/46DB-4CEC-F7E9-49E5

and is it for some time or forever?
>:

Originally posted by kohama:

and is it for some time or forever?
>:

well if they caught your profile out doing something like using cheating software, then yes. it is permanent.