Complete chapter "Late Night"

Dodge at the last minute to avoid an enemy attack

Defeat Nightingale

Find the Sawed-Off Shotgun

Destroy a Source Point

Discover a Break Room

Pick up the first Manuscript Page

Pick up a map

Fabricate all available weapons and equipment.

Restore all memory chips.

Complete at least one of every type of structure (including signs, ladders, and climbing anchors.)

Reach the maximum connection level with all facilities.