Modes

Name	Effect	Opens at	XP
Rounds	Breaks between rounds	From the start	x1
Holdout	One wave until the timer runs out	Threat II	x0.8
Hunt	5 Rounds Killing each round's target ends the wave	Threat III	x0.8
Hold Until Dawn	One wave until dawn	Threat IV	x0.85
Protect the Radio	One wave until the timer runs out Hold E to repair the radio Extraction pays bonus XP	Threat V	x0.9

Quarry

Warden
Amalgam
Centipede
Brute pack
Runner pack
Warden and guard

Pictures

The OperationThe host picks the threat, mode, conditions and field orders.

HoldoutOne unbroken wave against the clock, with surges and a final push.

HuntFive rounds, each with a quarry. Kill it and the wave breaks.

Quarry DownDrop the quarry and nothing more comes: mop up and move on.

VictoryClear the final round to win the operation and bank it.