Since the base game is already free, the is a one-time purchase ($4.99 USD) that supports the developer (Nelson Sexton) and unlocks:
If you see websites offering "Unturned Gold Edition Free Download," be extremely cautious: Unturned Gold Edition PC Game Free Download
: More slots to save different survivors. Customization : Access to more skin tones and hair colors. ⚠️ Safety Warning: Avoid "Free Gold" Downloads Since the base game is already free, the