Here is the full list of all 18 Red Blue achievements.
Play 5 Games.
Play 30 Games.
Play 100 Games.
Play 300 Games.
Play 1,000 Games.
Achieve 100 Combo.
Achieve 200 Combo.
Achieve 300 Combo.
Achieve 500 Combo.
Achieve 1,000 Combo.
Achieve 5,000 Score.
Achieve 15,000 Score.
Achieve 25,000 Score.
Achieve 50,000 Score.
Achieve 100,000 Score.
Clear 1 Stage.
Clear 2 Stage.
Clear 3 Stage.