Here is the full list of all 28 Falcon Age achievements.
Open a Buried Lockbox
Craft Rabbit Snack
Farm for the first time
Complete Bomb Minigame
Falcon flyby grab item from hand
Falcon flyby drop item in hand
Collect All Produce
Reclaim Refinery Eliya
Defeat a Sentry
Feed your Falcon a crafted snack
Escape Prison
Blow up Spider Spawner with a Spider Bomb
Defeat a Drone
Reclaim Refinery Uda
Reclaim Refinery Uva
Port Loop Rescue
Return to the Desert
Defeat a Heavy Sentry
Score Par or better in Lightning Golf
Complete Fetch Minigame
Equip Falcon in Formal Wear
Feed Spicy Food while wearing the Dragon Helmet
Craft Lizard Snack
Defeat a Sandwolf
Craft Fox Snack
Craft Chicken Snack
Craft Goat Snack
Pet Falcon for 1 Minute