Ones I've played and loved: Deus Ex, Thief 1+2, Dishonored 1/2/Death of the Outsider, Prey 2017, Bioshock Ones I've heard great things about: System Shock 2,

Ones I've played and loved: Deus Ex, Thief 1+2, Dishonored 1/2/Death of the Outsider, Prey 2017, Bioshock Ones I've heard great things about: System Shock 2, Arx Fatalis, Stalker