Classic Marathon Infinity

Vidmaster

Complete the Vidmaster Challenge on Total Carnage difficulty

I Totally Know Who You Are

Complete Classic Marathon Infinity on Total Carnage difficulty

More Than One Path

Read all seven Eat the Path terminals in the same playthrough

Monsters In Dreams Assassin

Kill an invisible defender with the SPNKR

Chapel Groan

Fully unblock the upper path before entering it, without using the secret switch

Circumstances Are Cyclical

Film Buff

Pick up a shotgun and SMG on Poor Yorick

I Know Who You Are

Complete Classic Marathon Infinity

A Show of Good Faith

Cut power to the containment unit

The Care and Feeding of Switches

My Personal Peon

Open all the airlocks on Naw Man He's Close

Roadrunner

Cripple the Pfhor warning system

Meet the New Boss

Read the first terminal in Rise, Robot, Rise