+ Better-than-expected dialogue, voice acting, and story
+ Fun tactical stealth gameplay in large, intricate levels
+ The differing combination of characters in each mission leads you to discover new ways to synergize their abilities
+ Optional mission goals add difficulty and replay value (but no extrinsic rewards)

± Not really innovative or groundbreaking

- Frequently struggled with the camera and touchy mouse controls (these were major flaws)
- Levels can sometimes feel overly long, with significant waiting for enemy pathing to avoid getting spotted