Full list of all 51 Red Dead Redemption 2 achievements worth 1,000 gamerscore. It takes around 200-300 hours to unlock all of the achievements on Xbox One.
You caught a fish weighing at least 16 lbs (7.3 kg).
Red Dead Online: You reached Rank 50.
Red Dead Online: You achieved MVP 3 times (in a round with at least 4 players).
Red Dead Online: You crafted 25 pieces of ammunition.
Red Dead Online: You successfully countered a rival Posse's Free Roam mission.
Red Dead Online: You achieved 5 gold belt buckles from awards.
Red Dead Online: You sold 20 items to the Butcher.
Red Dead Online: You played 10 Free Roam missions.
Red Dead Online: You played 5 Free Roam Events.
Red Dead Online: You crafted 20 items (excluding ammo).
Red Dead Online: You took part in a Series.
Red Dead Online: You reached Rank 10.
Red Dead Online: You formed a Persistent Posse.
Red Dead Online: You completed a Free Roam mission as part of a Posse with at least 2 members.
Red Dead Online: You picked 25 Herbs.
Red Dead Online: You completed the Intro.
You completed Chapter 3.
You delivered 5 camp companion item requests.
You completed Chapter 2.
You recovered the stash from 4 homesteads.
You upgraded each available component for a single sidearm or longarm weapon.
You robbed or looted $250.
You donated $250 to the gang tithing box.
You reached max bonding level with a horse.
You completed Chapter 1.
You completed 'Enter, Pursued by a Memory'.
Complete Chapter 4.
Complete Chapter 5.
Complete all optional Honor story missions.
Complete 'Goodbye, Dear Friend'.
Complete 'Red Dead Redemption'.
Complete 'A New Jerusalem'.
Complete the Epilogue.
Attain 100% completion.
Earn 70 Gold Medals in Story missions.
Complete a Companion Activity in each camp.
Play all mini games.
Discover the fate of Marko Dragic.
Spend $5000 across all shops.
Reach maximum or minimum Honor level.
Complete 10 Stranger mission strands.
Complete one of the Collectable strands.
Survive 3 days holding a bounty of $250 in all states.
Find the graves of each of your fallen companions.
Find a permanent home for the squirrel statue.
Craft 30 unique items in Story Mode.
Skin every species of animal in Story Mode.
Study every animal across all states in Story Mode.
Survive 18 bear attacks and kill the bear each time in Story Mode.
Red Dead Online: Concurrently own 5 horses.
Red Dead Online: Purchase 5 camp improvements.