Here is the full list of all 29 Rustler achievements.
The base game contains 28 achievements, and there is 1 DLC pack containing 1 achievements.
Gain and then remove a maximum Wanted rating without dying and with no quest active.
Complete 100% of the game, including all quests, side activities, and obtaining every other achievement.
Survive for 5 minutes at maximum Wanted rating.
Block 10 attacks in 60 seconds.
Complete 100% of the game without dying nor getting caught even once.
Kill 500 people.
Kill 5 NPC in 5 seconds.
Collect 20 bodies during the body collecting side activity.
Plow the fields 10 times.
Set the amount of blood particles in settings to x5.
Win 10 fights in the MMA side activity.
Come first in 10 races.
Complete the main story line.
Collect all horseshoes.
Wield all weapons available in the game at least once.
Use Pimp-A-Horse 20 times.
Complete all quests for Salazar.
Catch all horses for This Neigh Land.
Collect 20000 gold pieces.
Complete all quests for the Herbalist and the Doctor.
Complete all quests for the Spanish Inquisition.
Herd a total of 50 NPCs to mass during the church herding side activity.
Collect 5000 gold pieces.
Complete all quests for the Loan Shark.
Kill an NPC with a cow.
Complete all quests for the Knights of the Holy Grail.
Complete all quests for the Priest.
Complete the first quest.
Successfully complete the Halloween event.