Here is the full list of all 47 Cobra Kai: The Karate Kid Saga Continues achievements.
Finish any Story level without being hit
Beat ???? and reveal the true story
Hit a Crane Kick on Kreese
Complete Karate Challenges group Karate Champion
Complete Karate Challenges group Surgical
Beat Yasmine using Tory or Sam
Complete Karate Challenges group Specialist
Complete Karate Challenges group Skill Master
Start a second Campaign with the other dojo after finishing the story with one dojo
Finish Johnny with Daniel or vice-versa
Finish Daniel with Johnny's Cobra Ultimate
Complete Karate Challenges group Rivalry Dominance
Unlock 90 Collectibles
Beat Armand with Miguel's Jump Skill
Complete Karate Challenges group Environmentalist
Make all Tournament brackets nameplates fall off the panel
Unlock 60 Collectibles
Smack Kyler's face into the floor with a ground attack mounted on his back
Finish Tom Cole with a Kick
Finish 5 Hippie Hipsters with Grab Attacks
Clear all City Missions
Upgrade 4 Skills to the maximum (including Mastery)
Finish Tory with Sam or vice-versa
Parry 10 attacks without being hit
Start a Miyagi Do Campaign
Complete Karate Challenges group Combo Freak
Upgrade any Skill to the maximum (including Mastery)
Finish Robby with Miguel or vice-versa
Unlock 30 Collectibles
Finish Sid off with Johnny or Robby
Finish 3 Baseball Bat Skeletons with a baseball bat or similar weapon
Throw an Enemy at the screen
Complete Karate Challenges group Warming Up
Finish a Speedy goon with a running attack
Buy 50 upgrades
Finish Demetri with Hawk or vice-versa
Finish 5 Big-Boned Skeletons while they are in the air
Get 120 Hits in a single combo
Finish an enemy smackin his face on the ground
Complete your first Karate Challenge
Buy your first upgrade
Finish Mini Golf and Arcade level
Beat Cruz with a Special Punch
Throw an Enemy into the Basketball Hoops
Finish off your first of many Skeleton enemies
Start a Cobra Kai Campaign
Found your first collectible