From GOG.com:
Well, 15% is not much, but I could pick up something. Meh, I don't know.
To celebrate the addition of Screamer to our games catalogue, we are launching the Racing Weekend Promotion! Starting from now, until Monday, February 16 at 11:59 p.m. EDT, you can grab racing games with a 15% discount. To benefit from the promotion you have to enter the promo code: RACING15 on the payment screen, before you finalize your transaction. The promotion includes: 1nsane, Colin McRae Rally 2005, Flatout, Screamer and TOCA Race Driver 3. Please refer to the promo page for details.
Well, 15% is not much, but I could pick up something. Meh, I don't know.