Question 122

Ringworld is a Hugo, Nebula, and Locus award-winning 1970 science fiction novel by Larry Niven, set in his Known Space universe and considered a classic of science fiction literature. It is followed by three sequels, and preceded by four prequels, and ties into numerous other books set in Known Space. Ringworld won the Hugo Award in 1970,as well as both the Nebula and Locus Awards in 1971.


Now for the question, X, very very popular, is based on this... 
ID X
Answer : Halo, the very popular game series...
Question created by Vasudev