After months of speculation, the GX4000 was officially announced along with the 464 plus and 6128 plus computers at the CNIT Centre in Paris in August 1990.[4] The system was launched a month later in four countries, Britain, France, Spain, and Italy,[5] priced at £99.99 in Britain and 990f in France; software was priced at £25 for most games.[3] The racing game Burnin' Rubber, a power pack, and two controllers were bundled with the machine.