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