Deus Ex: Human Revolutions is a great game.
Stealth and straight-forward violence are both viable options throughout the vast majority of the game, with good tradeoffs for both strategies; the levels are well-designed, at times intuitive and occasionally very difficult. Patience and planning are rewarded, the inventory and skill systems work well, with none of the skills feeling overpowered or—except perhaps for hacking—totally necessary. The atmosphere is good, the characters both realistic and consistent, and the environments can be quite beautiful. The only thing anyone seems to have a problem with are the boss fights.
