Here is the full list of all 38 Over G Fighters achievements worth 1,000 gamerscore.
Cleared key mission in Area 2 of ScenarioMode and earned "A-10A".
Cleared submission (air to surface) in Area 2 of ScenarioMode and earned "F-16C".
Welcome to "Over G"! You earned "F-14A". Earn all achievements clearing various missions from now.
Meet certain conditions in Area 2 of ScenarioMode to earn this achievement.
Meet certain conditions in Area 3 of ScenarioMode to earn this achievement.
Meet certain conditions in Area 4 of ScenarioMode to earn this achievement.
Meet certain conditions in Area 5 of ScenarioMode to earn this achievement.
Meet certain conditions in Area 6 of ScenarioMode to earn this achievement.
Meet certain conditions in Area 7 of ScenarioMode to earn this achievement.
Play well in ScenarioMode to earn this achievemet.
Play very well in ScenarioMode to earn this achievement.
Meet certain conditions in ChallengeMode to earn this achievement.