Here is the full list of all 62 Memoir '44 Online achievements.
Won all Mediterranean Theater army pack scenarios as British
Won all Mediterranean Theater army pack scenarios as German
One of your artillery units resisted 10 dice without suffering loss
Officer rank : Major
Eliminate an enemy unit during a Stiff Upper Lip action
Killed 5 units with Special Force
Roll 4 grenades in a single dice roll
Officer rank : Second lieutenant
Battled with the Russian Commissar rule, and won
Played a scenario on its historical date
Officer rank : Captain
Played the U.S. Marines at Iwo Jima, and won
Opponent lost with 0 medals
Won Arnhem as Axis
Played Omaha as Allies, or difficult scenario as Axis
Officer rank : First Lieutenant
Killed two enemy units with an Air Power attack
All infantry survived
Played the Japanese at Iwo Jima, and won
Killed two enemy units with an Armor Overrun
Killed 2 units in a single armor overrun
Introduced newbie to the game
Killed at least 2 units using artillery
Played a beach scenario on the water side
Battled using both Infantry and Armor
Captured all the land objectives
Totally wiped a full-health unit in a single dice roll
You completed your first game
Officer rank : Lieutenant Colonel
Officer rank : Colonel
Overrun Bronze
Won Omaha as Allies
Won 10 games back to back
You played the most games
You played the 16 scenarios on their anniversary date
Either side: Hold the lone Forest hex next to Lower Rhine at game end. Active until Jan 3, 2011 only.
Roll 4 stars in a single dice roll
Roll 4 flags in a single dice roll
Participate to the Load Test on April 2011
Killed three enemy units with an Air Power attack
Killed four enemy units with an Air Power attack
Battled against a Days of Wonder crew member
Battled against a Days of Wonder crew member, and won
One of your infantry units was down to a single figure. Then it resisted 10 dice
One of your infantry units resisted 10 dice without suffering loss
One of your armor units resisted 10 dice without suffering loss
Played at least one Solo game as a Beta-tester
Played at least one Multiplayer game as a Beta-tester
Played at least one Expert game as a Beta-tester
Reported a bug during Beta-testing
Purchased a Sergeant pack during Beta-testing. Read the story about the Toplitzsee.
Purchased a Captain pack during Beta-testing. Read the story about the Toplitzsee.
Purchased a Major pack during Beta-testing. Read the story about the Toplitzsee.
For outstanding contribution beyond the call of duty during Beta-testing
Invited successfully at least 5 players using the Band of Brothers invitation page (http://www.memoir44-online.com/recruit/)
At least 3 of the Cadets who joined your Band of Brothers (cf. http://www.memoir44-online.com/recruit/) graduated to 2nd Lieutenant or better
Got 3 medals (2 units killed and a medal won) in a single attack with an armor unit
Won the battle thanks to 3 medals (2 units killed and another medal won) captured in a single attack with an armor unit