Steam is offering the first two Dungeon Siege titles gratis should you choose to purchase the third entry in the series through Valve's digital distribution platform. Locking in your purchase now will grant you access to the first two games immediately, prior to the newly announced June 21 launch date for Dungeon Siege 3.

On top of that, Valve and Square Enix revealed that Dungeon Siege 3 will employ the Steamworks suite, adding "auto-updating, Steam Achievements, Steam Cloud support, downloadable content and more" to Obsidian's upcoming action-RPG. For the full skinny, cast your cloak of click-through to check out the press release past the jump.