Ar Tonelico games in order

All 3 games of the Ar Tonelico series in the order they came out, from Ar Tonelico: Melody of Elemia (2006) to Ar Tonelico Qoga (2010).

1. 
   Ar Tonelico: Melody of ElemiaPS2 · Gust Co. Ltd.
   7026 Jan
2. 
   Ar Tonelico 2PS2 · Gust Co. Ltd.
   25 Oct
3. 
   Ar Tonelico QogaPS3 · Gust Co. Ltd.
   28 Jan