Here is the full list of all 14 Maize achievements worth 1,000 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox One.
Sent the corn on their journey.
Finish the game in under 2 hours in 1 session.
Successfully stopped drone strike.
Obtained all Folio Items.
Unconventionally unlocked security door.
Raised both mysterious rings.
Witnessed a series of unfortunate events.
Re-started the nuclear reactor.
Witnessed a battle of epic proportions.
Obtained the fuel rod.
Tricked a security checkpoint.
Gained a grumpy sidekick.
Met some new friends.
Unlocked the farmhouse.