Kill and loot 10 flying animals (crows and gulls).

Find all documents, relics and GPS caches.

Kill 75 enemies with the rifle.

Complete all challenges.

Complete a full stamina upgrade

Destroy a Block using Slam

Kill the Alebrije

Fully mod and completely upgrade any weapon.

Find 75% of all documents.

Collect 75% of all relics.

Kill FeeFee the crab.

Place in the top 50% of a Story Level scoreboard containing more than 50 scores.