Casey Alvis (Altima Mantoid)

Casey Alvis, also known as "Altima" or "Altima Mantoid," is a Doom speedrunner in the United States. He holds a few Doom Compet-n records. Currently, he has a collection of Doom, Doom II, TNT Evilution, and Plutonia Experiment playthroughs on YouTube. In these playthroughs, he teaches his viewers how to achieve each of the Doom games' maps attaining 100% kills, 100% secrets, finding the secret exits on certain maps & finding the exits to the super secret maps. Likewise, Casey also gives helpful tips to viewers on how to survive the respective maps (even the most dangerous/difficult maps or portions of them) while preserving health, ammo or a combination thereof. He continues to upload Doom speedruns to YouTube.

At the end of 2011 he began to upload the currently standing Compet-N records to YouTube. He is currently the sole maintainer of the channel. The official Compet-N channel can be found here.

His personal channel can be found on YouTube, here.

Ultimate Doom, Doom II and The Plutonia Experiment

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