Killer Bean is a fast-paced roguelike shooter where you take on the role of a hitman named Bob. Rid the world of trash with just one bullet in a procedurally generated world every time you go. Gameplay. The story begins with Bob learning that he was betrayed by the Shadow Agency, of which he was an employee. Now the killer has only one goal to take revenge by killing them all. But it is easier to say this than to carry out our plans. Now the hero will have to face hordes of opponents and Shadow Beans, who are trained much better than him.