1) Browser game 
It was is programmed in ASP and runs in most modern browsers (such as Google Chrome, Firefox and Internet Explorer). Rivality can also be played on many newer smart-phones, but does not provide a separate mobile version. There is, however a mobile app for Android available on Market, which allows the players to sell their oil, see base money and i...
• (n.) Equality, as of right or rank. • (n.) Rivalry; competition.
Ri·val'i·ty noun [ Latin rivalitas : confer French rivalité .] 1. Rivalry; competition. [ Obsolete] 2. Equality, as of right or rank. [ Obsolete] hak.