If you have a strong liking for games like Flappy Bird, then you should surely give QWOPTERZ a shot. It is an extremely amazing action game in which your job is to expertly guide four helicopters through a pixel - filled chaos full of obstacles. By pressing the keys Q, W, O, and P all at the same time, you can take charge of each helicopter. In the meantime, you must nimbly avoid all the oncoming obstacles. The cool retro style makes this game even more enjoyable, and the simple gameplay is certain to let you have countless hours of fun without any hindrance.