Some Flash games are purely targeted to boys. These online free playing pastimes are just what they need at times. They are usually hard core, fast paced, with great sound systems and eye catching graphics. This is a very wide category including many types of genres within such as shooting challenges, sports related fantasies, mind based thrillers, as well as adventure based vignettes. They can be single player or multiplayer, and some of them are for long term playing purposes. The most popular in this category are Need for Speed, Batman, Football world cup, 3D shooter, Naval Battle and 3D Racing Gear.