Here is the full list of all 52 Blast Brigade vs. the Evil Legion of Dr. Cread achievements.
Explore 100% of the island's locations
Find all discoverables and fill the compendium
Assemble both legendary weapons
Assemble a legendary weapon
Acquire all Heroes skins
Gain all Health Cells
Gain all Energy Cells
Acquire all weapons
Construct every village upgrade
Discover every PDA module
Activate every fast-travel motorcycle stop
Reach 100% completion!
Use Vortex Channeling Chakram 10 times to hit portable generator on the back of Elite Shielded Minion
Annihilate 3 enemies with one Galahad strike
Kill 5 enemies with a single Vortex Chakram
Defeat the Abomination
Defeat the Warden of Thorns
Defeat Little Joe
Defeat Joe Brothers
Defeat Dr. Cread
Upgrade Healing Flask 3 times
Assemble 6 PDA Baterries
Return all 4 helmets to the Henchmaniac
Defeat all 3 Stone Guardians
Open all Legion Vaults
Speak with the talking bush in the Prologue
Survive your first encounter with local wildlife
Overcome CHM-7 Siegebot
Defeat Strange Ninja Lady
Defeat Gobbler
Defeat the Lost Guardian
Defeat Icarus
Defeat Night Stalker
Escape Cread's Containment Cells and rendezvous with Ohara.
Destroy the Laser Cannon and rendezvous with Ohara
Discover a secret!
Construct a village upgrade
Activate a PDA module
Acquire a Support weapon
Explore 50% of the island's locations
Use Shura's hook to pull enemy shield's 20 times
Kill 5 enemies with 1 grenade
Kill 5 enemies with 1 Shura laser
Defeat the Overseer
Bring the Sacred Ocarina back to Urku
Bring intel back to Jacque
Stomp the mob in the first area of the island