Here is the full list of all 43 Survivor Squad achievements.
Clear 20 areas
Get to Lab 3 (Death Lab)
Start The Great Escape
Successfully defend an area
Survive 30 days
Use 10 Gadgets
Wield a Katana
Get a Survivor to Level 5
Wield a Vendetta
Kill 500 infected
Destroy 5 hearts
Found a bomb!
Kill 5 infected with an Axe
Drive to 10 locations
Craft 5 weapons
Clear a node without losing anyone (4 Survivors)
Survive an area with 4 Survivors without taking damage
Survive 10 days
Use a Camera
Kill 30 infected in one area
Find the locations for the secret labs
Kill 20 infected with melee weapons
Find the Scientist
Destroy the Source
Get to Lab 7 (Death Lab)
Clear Lab 10 (Death Lab)
Have 2 Sentry Guns up at once
Survive a Danger Level 5 area
Survive The Great Escape
Find the secret area
DONT DEAD OPEN INSIDE
Get past the first gate
Press the button
Survive the first trap
Get past the lasers
Follow the basic instructions
Uh oh...
HACK THE PLANET!
Grab the Red Keycard
Grab the Mysterious Vial
Grab the Uranium Nugget
Complete The Great Escape within 40 mins
Complete The Great Escape with less than 600 damage taken