Marathon Infinity's "Vidmaster Challenge" features remixes of three levels, the first of which is Try Again from the original Marathon. Each level includes grey, upgraded enemies.

A few notes about our playthrough:

We played Marathon and Marathon Infinity on Normal difficulty. We increased the difficulty on Marathon 2: Durandal to Major Damage to compensate for our somewhat higher familiarity with the levels of that game.

Try Again here is being played on Total Carnage; since the entire point of the Vidmaster Challenge is increased difficulty, there didn't seem much point in not playing it on the highest difficulty.

However, it was clearly designed for solo play where any death means a restart. Usually we use irons' Co-Op script so that we share weapons and don't lose them upon death, but we couldn't make it work here without going out of sync-- so dying in lava means losing weapons forever, which quickly creates a shortage of both weapons and ammunition.

I'm also not sure if something else wasn't glitchy, as the terminal indicates you have to "kill everything" but we were beamed out of the level with at least one or two juggernaughts still around.

That said, enjoy the bloodbath!

This podcast uses:

Aleph One, free and open source versions of Marathon for Windows, Mac and Linux at http://source.bungie.org

Remixes of the Marathon soundtrack by Craig Hardgrove at http://themarathonmusic.com

We (usually) use irons' Co-Op script: (but not here).

http://simplici7y.com/items/co-op

Thanks to the maintainer of the Marathon Story Page, the denizens of the Marathon Story Forum and the Marathon Spoiler Guide:

http://marathon.bungie.org/story

http://forums.bungie.org/story/

http://marathon.bungie.org/spoiler/m2/

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Music used in this episode:

"What About Bob?" by Alexander Seropian, remixed by Craig Hardgrove (intro music)
"New Pacific (Reprise)" by Alexander Seropian, remixed by Craig Hardgrove (outro music)

Marathon,Marathon Infinity (Video Game),Bungie,Bungie Studios (Organization),Cooperative Gameplay (Gameplay Mode),Cooperative Game (Game Genre),Let's Play