Complete 20 story missions without switching to a new horse at a hitching post.

Capture a bounty alive.

GTA Online: Complete a Job as a member of a Crew.

GTA Online: Kill the thief that mugged you.

Defeat 5 players in a single level.

GTA Online: Reach Rank 100.

Complete all Stunt Jumps.

Kill Hermes and acquire his Boots

Cover Kratos in 500 buckets of blood by killing the enemies

Kill Hades

Upgrade any weapon to the next level

Kill Poseidon