Exterminator: S

Controls: 

Horizontal Movement: Left, Right

Jump: Up

Attack: C

Special Attack: S

How to Play:

Press Play button and enter the game. 

If you connect successfully to the server, you'll be playing as a white shirted boy.

Features are largely unavailable other than killing monsters with other people who play the game at the same time.

All credits belong to Nexon.

Story:

The world of Exterminators is unstable! In this land, every man is for himself as monsters crawl out from every nook and cranny, and other hunters are out there to take you down. Fight your way through massive hordes of enemies and challenge fellow players in order to come out as the one true victor.