The most addicting category of flash games is the strategy war, in which the player organises and plans defence policies, fights enemies, builds clans, maps and scenarios etc. Such entertainment gives thrills, and engages the player to the grand designs and impressive style of the working plan. Moreover, they have a touch of real time situations leading to hours and hours of playing. The platforms can be single player or multiplayer. Most importantly, they are available for free to play online on many websites. The well-known in this category are: Risk online, and At War multiplayer pastime.