Full list of all 10 Pancho's Mission achievements worth 1,000 gamerscore. It takes around 0-0.5 hours to unlock all of the achievements on Xbox One.
Die 1 time
Complete Forest: Level 3
Complete Forest: Level 6
Complete Forest: Level 10
Complete Desert: Level 3
Complete Desert: Level 6
Complete Desert: Level 10
Complete Cave: Level 7
Complete Cave: Level 6
Complete Cave: Level 10