Sneak Thief V0.20 ((free)) -

: Focuses on large open spaces and security checkpoints. A full walkthrough is available on The Diamond Compound : The final and hardest map currently available. Quick Tips for Success Sneak Thief Full Game Walkthrough

For a look at how the stealth genre has evolved into immersive virtual reality, check out this recent reveal for the franchise's VR entry: Sneak Thief v0.20