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Boulder Dash(R) is a trademark of BBG Entertainment GmbH, registered in the US, the European Union and other countries. Boulder Dash(R) Deluxe TM, the names and likenesses of Rockford TM, Crystal TM and Goldford TM are trademarks of BBG Entertainment GmbH. Boulder Dash(R) Deluxe TM Copyright (C) 1984-2021 BBG Entertainment GmbH. All rights reserved. The original Boulder Dash(R) was created by Peter Liepa with Chris Gray.