Been a while since we did this, and certainly since they broke the link between bulletins and achievements
http://www.coh2.org/topic/17651/uses-for-unloved-units-4-45mm-atg
http://www.coh2.org/topic/14441/uses-for-mechanised-groups
http://www.coh2.org/topic/15471/uses-for-stug-es
http://www.coh2.org/topic/16469/uses-for-unloved-units-3-the-dishka
Currently the rarest achievements:
.3%
1) Deploy 50 Mech Assault Groups and 50 Mech Grenadier Groups
2) Kill 5 Tigers with 45mm AT Guns
3) Deploy 50 Partsian SMGs, 50 Rifles and 50 LMGs
.4%
4) Deploy 200 Ostruppen
5) Kill 20 Vehicles with Partisan Tank Hunters
6) Destroy 100 vehicles with B4 howitzers
7) Destroy 20 vehicles with Dishkas
.5%
8) Kill 50 LEIG 18 crew members with ML20s
9) Destroy 40 light vehicles with SU-76s, and get 3 Vet levels with 20 SU-76
10) Destroy 25 222s with 81mm mortars
11) Get 3 Vet levels with 40 M3s
This was the Top 10 as of March:
1 BLITZKRIEG Deploy 50 Mechanized Assault Groups and 50 Mechanized Grenadier Groups.
2 Size Doesn't Matter
Kill 5 Tigers with M-42 AT gun
3 Rapid Fire Anti-Tank
Destroy 20 vehicles with DShK Heavy Machine Guns
4 Someone Needs to Man those Guns!
Deploy 200 Osttruppen squads.
5 SURPRISE!
Destroy 20 vehicles with Partisan Tank Hunters
6 They're Coming Out of the Woodwork!
Deploy 50 Partisan LMG Squads, 50 Partisan SMG Squads and 50 Partisan Rifle Squads
7 BOOM!
Kill 100 vehicles with B4 howitzers
8 We're Going to Need a Bigger Gun
Get 100 kills using a KV2.
9 Makeshift Artillery
Kill 200 infantry with STUG III E assault gun
10 Assault Grenadiers
Kill 50 enemies with a single Assault Grenadier Squad
The KV2 and Agrens are now at the .6 level, so they've risen slightly above the top 10
The STUG E is up at .8