While there isn't a single official "Hell Madness" package widely advertised for free download, there are several games and mods with similar titles and themes that you might be looking for.
Mad Madness Song * hank. * hell. * madness. * madnessday2012. Newgrounds.com Save 51% on Hell Madness on Steam Hell Madness Free Download
A fan-made mod inspired by the Madness Combat series, designed for the ZDoom engine. While there isn't a single official "Hell Madness"
: You can check its status on Steam . It has been offered for 100% off ($0.00) during special giveaway periods. Somewhere in Hell (Madness Combat Mod) * madness
: Story-driven survival horror featuring stealth, combat, and atmospheric exploration through ruined buildings and sewers.
A precision platformer that is often featured in "free-to-claim" promotions.
: A challenging 2D strategy-platformer with a humorous tone.