Oh Steam, thank you!
Wizardry 8 is a wizened (ha) old game, having come out in 2001. That said, the old game has lost none of its charms. There is one race short of a dozen playable ones, and fifteen classes. Each race offers its own little perks, and each class has amazing abilities and powers. Combine this with the plethora of items and magic, and you'll be experimenting with different combinations over and over again.
That being said, it is an old game. The graphics are pixellated (go cry in Skyrim if that's what you care about, you horrid wretch) and the control system is outdated (I spent fifteen minutes pressing WASD until I realized it was the arrow keys that moved the party). And it has the "old school difficulty": if your party isn't properly made or if you're missing a member (IE: someone who can tank or cast spells), you're going to get mercilessly butchered by the first boss creature, repeatedly.
I'd recommend this game to all of my friends. It's amazing, it's fun, it's inviting, and it's dynamic. It's an age-old, forgotten gem that has lost none of its charm.
TL;DR: It's a better version of Legends of Grimrock
PS: Hey Steam, why not release other good, old games like Betrayal in Krondor/Antara while you're at it?