For ban appeals and other inquiries regarding bans from Unturned, please file a ticket with whomever was responsible for distributing the ban. You can see what type of ban has been applied to your Steam account from Steam Support, or from your Steam profile.
Please note that there is a zero-tolerance policy for cheating. If you were correctly banned due to cheating, then your ban cannot be appealed.
Game bans are distributed by BattlEye. BattlEye bans will appear on a banned player’s Steam profile as a “game ban on record”.
For inquiries regarding your game ban, please contact BattlEye Innovations directly: https://www.battleye.com/contact/
VAC bans are distributed by Valve Anti-Cheat. VAC bans will appear on a banned player’s Steam profile as a “VAC ban on record”.
VAC bans cannot be removed by Steam Support. If a VAC ban is determined to have been issued incorrectly it will automatically be removed.
For other inquiries regarding your VAC ban, please contact Steam Support directly: https://help.steampowered.com/en/