My (unnamed) favorite was an indie game that you could download with no payment required, but that would prompt you for a key at installation time. If you had 7

My (unnamed) favorite was an indie game that you could download with no payment required, but that would prompt you for a key at installation time. If you had 7zip installed, you could just hit context menu on it, do "extract all", click on <game name>.exe and there it was, the full version with no key required.