> Long ago, the Dark Lord Dredmor was bound in the darkest dungeons
> beneath the earth by great and mighty heroes. Centuries later, the
> magical bonds that hold him in place are loosening and his power
> grows ever stronger. The land cries out for a new hero, a powerful
> warrior or a mystic wizard like those spoken of in the prophecies of
> yore.
>
> What they have, unfortunately, is you...
>
> Step into the Dungeons of Dredmor! Embrace your destiny! Face evil
> of the likes the world has never known - the terrifying Swarmies,
> the undulating Thrusties, and the adoreable nest-building Diggles.
> Worship Inconsequentia, the Goddess of Pointless Sidequests, or try
> your luck as a devotee of the nameless Lutefisk God. Cast powerful
> magic learned from the dark business warlocks of the school of
> Necronomiconomics, or summon the Viking Runes of your ancestors to
> blast your foes with thunder and lightning! Discover the power that
> can be had by wielding a bizarre armament of devastating weaponry
> such as the Interdimensional Axe, the Plastic Ring, and the
> Invisible Shield (if you can remember where you left it). Wield
> shoes decorated by the Dwarven Glittersmiths, all of whom have now
> committed suicide because of their shame, and embrace the joys of
> destroying giant moustache-wielding brick demons with a mace
> decorated with tawdry, delicious bacon.
>
> While you?re at it, be prepared to die. A lot. In hideous, screaming
> pain that makes you throw your keyboard out the window.
>
> The Dungeons of Dredmor await. Are you ready for them?

Dungeons of Dredmor is a classic roguelike.

Downloads:

 * DL #1: Dungeons of Dredmor 1.1.3, DRM-free version from Humble
   Bundle.

Compatibility
Architecture: x86 (Intel:Mac)

Mac OS X 10.6.3 - macOS 10.14.x (32 bit Intel)