Complete the following tasks to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", then "My profile", then "View all my games", then the game and view stats.
A6M Zero Warrior - Find A6M Zero crashsite and salvage the airplane!
Ace - Shot down 50 MiGs in campaign mode.
Bad experience - Complete Action 23rd of August!
Cracking Good Show - Place first in multiplayer match with at least 6 players.
Dogfight Ace - Shoot down 30 players in multiplayer!
F4U Corsair Warrior - Find F4U Corsair crashsite and salvage the airplane!
Fleet Admiral - Reach max rank (Fleet Admiral) with any pilot.
Good Show - Place in top half in multiplayer match with at least 6 players.
Multiplayer Ace - Perform 3 kills in row in MP.
Multiplayer Veteran - Play 15 multiplayer matches to the end.
Ship Sinker - Sink 3 ships in campaign mode.
Team Mate! - Rescue an MIA pilot!.
The First Cut! - Shoot down a MiG in campaign mode!.
Vietnam Newbie - Complete two missions in Campaign Mode.
Vietnam Survivor - Complete Campaign Mode.
Vietnam Veteran - Complete the first campaign.