Here is the full list of all 10 Maze Up! achievements.
Complete a maze
Complete all 3*3 mazes
Complete all 4*4 mazes
Complete all 5*5 mazes
Complete all 6*5 mazes
Complete all 7*5 mazes
Complete all 8*5 mazes
Complete all 9*5 mazes
Complete all 10*5 mazes
Complete all mazes