Here is the full list of all 51 Vietnam ‘65 achievements.
Accumulate rank points
End the game with at least 4 active Hueys, 1 Chinook and 1 Cobra (Veteran)
Play 13 games.
Achieve 5 consecutive kills of VC units using US infantry.
Clear 30 mines.
Lose a game after having an H&M higher than 60
Kill 75 NVA.
End a game with at least 6 active infantry, 2 mechanized infantry, 2 artillery, 1 armor and 1 cobra unit.
Achieve 5 victories
Play 8 games.
Achieve 6 consecutive successful air strikes.
Achieve 5 kills with ARVN infantry in one game.
End a game with 6 or more active ARVN units.
Maximise the H&M of two villages.
Improve H&M score for 6 turns in a row.
Achieve 5 consecutive kills of NVA units using US infantry.
Win 3 games.
Finish a game with at least 3 active forward bases.
Kill 25 NVA.
Win a game
Achieve 3 consecutive kills using ARVN infantry.
Play 3 games.
Achieve 4 consecutive successful air strikes with a Cobra.
Achieve 5 kills in one game using Green Berets.
Achieve 3 consecutive kills with infantry.
Lose more than two transport helicopters in one game.
Win a game after allowing H&M to drop below 40 (Veteran)
Achieve 2 consecutive decisive victories.
Kill over 100 enemies in a game.
Kill over 50 enemies from a single enemy faction.
Win 10 Veteran games
Kill 150 NVA.
Kill 300 NVA.
Acquire all Marksman badges,
Acquire all Sharpshooter badges.
Acquire all Expert badges.
Heal 50 US infantry units at the HQ.
Achieve 10 consecutive kills.
Play 18 games.
Play 23 games.
Play 28 games.
Achieve a decisive victory. (Veteran)