Thanks briceman for verifying this file. It looks like they had downtime last month on the 15th. Perhaps the corruption occurred around that time. Check out the Introversion news forum.

Downloaded the linux demo using both Firefox and wget. When i run the installer the script terminates with the following error 'Verifying archive integrity...Error in MD5 checksums: ...'. Is this a problem for anyone else? Here is the sum reported by md5sum: 91e70e5665b0872d24f6ae6956126dec darwinia...