Here is the full list of all 41 Danger Scavenger achievements.
Die in coop mode
Finish the game on Hardcore mode
Finish any skyscraper without getting hit
Heal 10 hp in coop mode
Beat the game with HUN-73R
Beat the game with Keiko
Beat the game with Rhino
Beat the game with Echo
Beat the game with Professor
Finish any skyscraper without using your weapon
Die by falling from the roof
Finish the game
Finish broadcast skyscraper
Beat the game with Captain J.
Deal total of 10.000 damage
Get total of 10.000 scrap
Discover 20 new items
Destroy 100 enemies with melee attack
Destroy 100 enemies during hacking
Complete 10 skyscrapers
Fall from the rooftop 10 times
Get 10.000 score in one run
Deal 1.000 damage in one shot
Finish military skyscraper
Destroy 5 enemies with one explosion
Finish biotech skyscraper
Destroy 1337 enemies
Perform 100 roof kills
Collect 100 items
Get 1.000 scrap in one run
Finish oriental skyscraper
Get 3 daemons installed in one run
Deal 200 or more damage in one shot
Heal total of 25 hp
Die 3 times
Finish diesel skyscraper
Complete diesel skyscraper
Find a secret
Deal 300 damage using environment
Unlock all weapons
Unlock Echo - the hacker