Snatcher

Snatcher is set in a future East Asian metropolis, where humanoid cyborgs dubbed "Snatcher" have been discovered killing humans and replacing them in society. The game follows Gillian Seed, an amnesiac who joins the anti-Snatcher organization in search of his past. The game is mostly controlled by menus, which let the player choose to look at items, search rooms, talk to characters, explore a semi-open world, and do other things.
Snatcher is a graphic adventure game with visual novel elements. The player controls Gillian Seed as he investigates and hunts down " dangerous humanoid cyborgs disguised as humans that roam Neo Kobe City. The game's visuals are mostly static images, with some animations showing at the top of the screen. There is no point-and-click interface, with all actions performed via a text menu with commands such as "move," "view," and "investigate. The game's puzzles and dialogue tree are simple, with an emphasis on linear storytelling. Sometimes character panels are displayed below the main graphics window during conversations to convey their facial expressions.

The game allows exploration of a semi-open world. There are several action sequences where the player shoots at enemies scattered on a 3x3 grid. For these segments, the Sega CD version of the Lethal Enforcer came with the Justifier light gun. 

Use arrow key and try some key ( Shift, Enter, Z, X, A, S , Q, E, R, T, G, F, H ) to controls the game.