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