Here is the full list of all 7 Blastboard achievements.
Achieved a score of 100 or less in Regular Mode.
Achieved a score of 120 or less in Regular Mode.
Achieved a score of 150 or less in Regular Mode.
Launched the game 3 times on different days.
Achieved gold score 5 times with different seed values in Regular Mode.
Cleared table 99 in Freerun Mode.
Finished the Tutorial.