The delisting is related to the company's bankruptcy filing; Nasdaq Marketplace Rules state that Nasdaq, at its discretion, can delist securities if an issuer files for bankruptcy protection.
Starting on Monday, June 2, the trading symbol for the Company's securities will be changed from THDO to THDOQ. 3DO is in the process of evaluating trading of its common stock on the OTC Bulletin Board or in the pink sheets.