We're a bit late to the party on this one. GOG has a lot of older
Square Enix / EIDOS titles on sale for 2.39$ - 3.99$. There are only a few hours left, so you've got to act quickly of you want to buy, for example, the following games (often gold editions):
- Anachronox
- Thief 1, 2, 3
- Hitman 1, 2
- Deus Ex 1, 2
- Tomb Raider 1-3 bundle, 4, 5
More information.