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Sword of the Stars: Complete Collection is on sale at Direct2Drive (D2D) for $5.99 and Trine is on sale for $4.95.
From Wiki:
Sword of the Stars is a space 4X game developed by Kerberos Productions. In the game the player chooses one of six unique races to form an interstellar empire and conquer the galaxy. In order to win, the player must expand territory by colonizing new star systems, exploit the resources available to his colonies, design and build starships, and improve his empire’s technology through research.
SoS Complete comes with the original Sword of the Stars games and the three expansions Born of Blood, A Murder of Crows and Argos Naval Yard. The game was made by the same guys who made Homeworld.
Trine is a side scrolling puzzle game/adventure game. It kind of reminds me of old school game–The Lost Vikings.
The code is supposed to expire today but if you use the promotion coupon code SHOWERS at checkout, you’ll save an extra 20% off each game.
Otherwise you can use the code E9B26B191B3F7B1F5BA3EDA295E60436 to save 15% off each game if the above code has expired. (If the 15% off code has expired you can always get a new code from the Promo & Coupon Codes post.
Sword of the Stars Complete is also on sale at the Direct2Drive UK site for £4.49. The only coupon available for that site currently is KAPOW, which would drop the price by 20%. However, that coupon also expires today. Unfortunately Trine is not on sale for the low price at the UK site.