Puzzle Express games in order

All 4 games of the Puzzle Express series in the order they came out, from Puzzle Express (2004) to Galactic Express (2013).

1. Puzzle ExpressHipSoft
   15 Jun
2. Holiday ExpressHipSoft
   3 Nov
3. Holiday ExpressHipSoft
   4 May
4. 
   Galactic ExpressPC · HipSoft
   6 Feb