Here is the full list of all 11 Task is to Survive achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
10 shots with a pompgun
Up 10 times first aid kit
Die 10 times
Use the kit (Key "E") 10 times
Kill 200 monsters
Up 10 times the ammo
Kill 300 monsters
10 shots with the machine
10 shots with rifle
Kill 400 monsters
Kill 100 monsters