Here is the full list of all 16 500 Years Act 1 achievements.
Complete game without skipping any battles.
Defeat every enemy ship type.
Complete Act 1.
Defeat human destroyer.
Skip 10 Battles
Visit every solar system.
Defeat ant hive.
Recruit Yepp.
Recruit Frank.
Defeat pirate queen.
Defeat Llaxon Destroyer.
Recruit Jarvis.
Get all power ups for the ship.
Skip a battle.
Save Mary.
Recruit Clarence.