Checks Free Fire account data across all supported regions. If region is omitted, the API will try every supported region until the account is found. If region is provided, only that specific region will be checked. Example: /proxy/api/game/free-fire-global?id=686631178®ion=SG. Supported regions: IND, US, SAC, NA, VN, SG, ID, TH, TW, PK, ME, CIS, RU, BD, BR, EUROPE.