To quote the FAQ... "It’s derived from Japanese language. “Akane” refers to a specific type of plant. “Iro” means color (of). The roots of this plant, called “Madder” in English, can be used to produce a specific hue of red dye. It’s a name heavy with symbolism, too – roots of blood red, a “madder” color could be interpreted as the color of anger. Thus - “Angry Red”."
To the people posting answers to the guessing game or the 2nd keypad code, the keypad code is just the 5th number you type and the guessing game is randomly generated.
 "Phantom Seeds"){kind=icon}
 "Akaneiro"){kind=icon}
 "Viricide"){kind=icon}
 "Virtual Suicide"){kind=icon}
 "You Find Yourself In A Room"){kind=icon}
 "Contract Wars"){kind=icon}
 "CS Portable"){kind=icon}
 "Magnetized"){kind=icon}
 "Surgeon Simulator 2013"){kind=icon}
 "online FPShooter test"){kind=icon}
 "Mini Attack: Urban Combat"){kind=icon}
 "Execution"){kind=icon}
 "Effin' Terrorists 2"){kind=icon}
 "Infectonator 2"){kind=icon}
 "Nyan Cat FLY!"){kind=icon}
 "Collapse It"){kind=icon}
 "Feel the Beats"){kind=icon}
 "Everybody Edits"){kind=icon}
To quote the FAQ... "It’s derived from Japanese language. “Akane” refers to a specific type of plant. “Iro” means color (of). The roots of this plant, called “Madder” in English, can be used to produce a specific hue of red dye. It’s a name heavy with symbolism, too – roots of blood red, a “madder” color could be interpreted as the color of anger. Thus - “Angry Red”."