Here is the full list of all 20 Germany at War - there are Soviet Dawn achievements.
Buy 300 units
Kill 250 enemy units with the T-34 1940
Loose 1000 Soviet Regular '41 infantry units
Win the Soviet Dawn campaign
Win the Case Blue campaign
Destroy 100 enemy units with Ju-87 B aircrafts
Win the Archangelsk-Astrachan campaign
Upgrade a unit to a bigger formation
Buy 15 units of Panzer III Ausf.J
Kill 30 enemy units with 8.8cm FlaK units
Win the Archangelsk-Astrachan and Soviet Dawn campaign
Conquer 500 objects like towns and cities
Add 75 support units to your units
Have 10 of your units surrender after an enemy attack
Add a support unit „dive bomber squadron“ to a bomber unit
Destroy 50 German and 50 Russian bunker units
Win 10 single map scenarios
Get 30 units damaged by mines
Destroy 40 of each regular infantry units of Germanys' Allies Romania, Italy, Hungary and Slovakia
Destroy 25 Tiger Ausf.E units