Complete a Co-Op mission without anyone dying.

Collect all level 2 and level 3 firearm upgrades.

Heist each bank once.

Complete "Remember My Family".

Complete a Co-Op mission without dying.

Complete a Co-Op mission.

Kill one of every animal species in the game in any game mode.

Ecco: Talk to another dolphin

Columns: Get 20,000 points only on Easy Mode

Break the Kentucky Saddler, the American Standardbred, and the Hungarian Half-bred.

Knock someone out in melee in every saloon in the game in Single Player.

Obtain Legendary rank in any Single Player Ambient Challenge.

Complete Fort Mercer and Nosalida Hideouts in Single Player.