Complete the training level all the way through to the exit portal.

Enable power in the Process Control level.

Collect the Shotgun.

Collect the Assault Rifle.

Collect the Grenade Launcher.

Kill the Scavenger Queen.

Kill the Samurai that's wrecking the maintenance power conduits.

Reach the laboratories hub.

Collect the fire ammo blueprint.

Spread fire to 5 enemies in under 20 seconds.

Kill 50 crawlers, of any description.

Kill an Exploder, a Baby Crawler, a Crawler, a Big Cousin, a Seeker and a Samurai.

Collect the full set of N. Fortunate logs.

Collect the full set of F. Magnusson logs.

Collect the full set of B. Kowicz logs.

Kill your first Scavenger enemy.

Skip the training level by exiting through the very first portal.