id Software has Doom Classic and Doom Resurrection (iTunes Link) for the iPhone and iPod Touch in the iTunes App Store for 99-cents each (regularly $6.99) for limited time.

Welcome to Hell! Prepare to relive the First Person Shooter that defined a generation with the legendary original DOOM – now on the iPhone. As a space marine stationed on the planet Mars, you are all that stands between the armies of Hell and their invasion of planet Earth!

DOOM Classic includes the original three episodes as well as Episode Four, Thy Flesh Consumed, spread across 36 levels of non-stop carnage and action.

Choose from customizable control schemes, all designed by id Software co-founder and industry legend, John Carmack. Wield unforgettable weapons like the Chainsaw and the BFG 9000 while fighting through notorious monsters like the Imp, Cacodemon, and Hell Knight!

In DOOM Classic, multiplayer action is reborn! With a wireless connection, battle up to four players in Deathmatch mode, or work together cooperatively and fight back against the demons of Hell.

Then immerse yourself in the first person on rails experience that takes your iPhone or iPod Touch beyond previously imagined limits. Introducing DOOM Resurrection, a brand new, technologically advanced, heart-pounding chapter in the legendary DOOM Saga!

Scientists on a remote research facility on Mars have lost control of their experiment and all Hell has broken loose. As the last surviving Marine in your unit, you must defeat Hell’s minions and unravel the mystery of what has happened on Mars. Earth’s future depends on you!

Courage alone will not be enough to stand up to the evil that awaits you. Utilize a devastating arsenal of weapons, helpful NPC’s and your environment to succeed. With an assault rifle, shotgun, a vicious chainsaw, and more, you will even the odds in a raging battle against unnatural beasts hell-bent on flaying your flesh and damning your soul.

With its revolutionary control scheme, breathtaking visuals, and intense story, DOOM Resurrection is sure to provide the adrenaline rush you’ve been craving.