The Basic Psionics Compatibility License (BXΨCL) is a royalty-free non-exclusive agreement between New Big Dragon Games Unlimited and third parties (individuals or organizations) to allow limited use of the BXΨ trademark and use of the BXΨCL Logo visual mark (BXΨCL Logo) to indicate that third party products are compatible with the roleplaying supplement Old School Adventures™ Accessory PX1:... [click here for more]