Modern version of Dungeon Keeper- patched several times since release and a lot of bugs have been fixed. Cheapest it's ever been according to isthereanydeal.com
Reviews from Steam users:
Very Positive - 85% of the 113 user reviews in the last 30 days are positive.
Mostly Positive - 77% of the 2,568 user reviews for this game are positive.
The DLC packs have also been reduced although the original game for £5.74
and Overworld underlord edition at £7.49 seem the best buys!
hopes this helps someone - ends on 15th December at 18:00 GMT.