Perfect Dark

Perfect Dark is a first-person shooter in which players control... Joanna Dark through a series of levels collected together into missions. The general gameplay [has] features such as stealth sections and objectives determined by difficulty settings carried over. Players can crouch, duck, lean, and drop from most ledges, but there is no jump ability. A number of tutorials and training activities can be taken at the Carrington Institute, which acts as the game's central hub. (wikipedia.org)