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