Here is the full list of all 20 Makai Kingdom: Reclaimed and Rebound achievements.
Clear Episode 1.
Reach the maximum score on a stage.
Clear Episode 2.
Clear Episode 3.
Clear Episode 4.
Clear Episode 5.
Clear Episode 6.
Clear Episode 7.
Clear Episode 8.
Clear Episode 9.
Clear Petta Mode Episode 4.
Overtake an enemy facility.
Trigger 100 different extension events.
Throw 10 enemies out of bounds.
Unlock all character classes.
Reach 200% of the maximum score on a stage.
Have at least one of each tank.
Recruit Alexander.
Recruit Pram.
Achieve all achievements.