The quality of the levels that Oblige is capable of generating is nothing short of scary. Sure, there are sometimes a couple of comparative 'duds' in every batch of 32, but then even these are often well above average and still fun to play all the same; they're simply less complex than the others. Add to this the range of user-mods available, and you literally have an infinite number of maps at your disposal.
OBLIGE is the best
This is a great tool. SLIDGE was entertaining for about 5 minutes. This provides a unique enough experience without being too unfamiliar. Unfortunately, I hope people don't make these and call them their own, such as what led SLIDGE to its demise.
I absolutely love this as it succeeds what Slige should have been. Atop the files being moddable to add custom content (DECORATE monsters, etc), this is a great way to burn time with your favorite source port. Update December 2014: With each version, new and different things come up so there is never a dull moment in single or multiplayer gaming!