All the Dungeon Siege games are currently on special at Amazon as a Bundle or separately
Each game registers on Steam
Dungeon Siege 1 $4.99
http://www.amazon.com/Square-Enix-Dungeon-Siege-Download/dp/…
Dungeon Siege 2 $4.99
http://www.amazon.com/Square-Enix-Dungeon-Siege-Download/dp/…
Dungeon Siege 3 $7.49
http://www.amazon.com/Square-Enix-40701eon-Siege-31/dp/B0054…
Dungeon Siege 3: Treasures of the Sun $9.99
http://www.amazon.com/Dungeon-Siege-III-Treasures-Download/d…
To buy games off Amazon you need a US address on your account (can be anywhere as long as it is valid)
Here are my affiliate links (costs you the same but I get some money)
Bundle of all games $11.99
http://www.amazon.com/gp/product/B00APOVDG6/ref=as_li_ss_tl?…
Dungeon Siege 1 $4.99
http://www.amazon.com/gp/product/B009R56HOM/ref=as_li_ss_tl?…
Dungeon Siege 2 $4.99
http://www.amazon.com/Square-Enix-Dungeon-Siege-Download/dp/…
Dungeon Siege 3 $7.49
http://www.amazon.com/Square-Enix-40701eon-Siege-31/dp/B0054…
Dungeon Siege 3: Treasures of the Sun $9.99
http://www.amazon.com/Dungeon-Siege-III-Treasures-Download/d…
Besides 1 and 2 being awesome games this package is also worth getting for any Ultima 6 fans. http://www.rockpapershotgun.com/2013/02/04/the-british-files…