RESOGUN

You have recovered

Collect a Fallen Hero in Survival mode

Don't make me pull the trigger!

Survive for 5 minutes in Demolition mode

Save the last humans

Lifetime total of 1,000 humans saved in Survival mode

I came in like a Resogun

Accumulate a total Wrecking combo of 1,000 in Demolition mode

Live to die another day

Survive to see the dawn of the 5th day in Survival mode

Don't leave me!

Destroy 10 consecutive Sentinels before they escape in Survival mode