Here is the full list of all 21 Skyshine's BEDLAM achievements.
Reach Bysantine during a Double Down!
Score at least 500,000 points
Score at least 1 million points
Score at least 2 million points
Score at least 4 million points
Score at least 6 million points
Reached Aztec City
Reach Bysantine during Double Down on Bedlam difficulty
Reach Aztec City with over 1800 passengers
Visit 40 or more POIs
Obtain 3000 Crude
Visit 35 or more Side POIs
Obtain 3000 Meat
100 or more kills
Blast 10 enemies with The Nuker!
Obtain over 3000 passengers
Obtain 200 or more Power Cells
10 Battle win streak!
Win a battle against 15+ enemies
5 Battle win streak
3 Battle win streak