Lumines (pronounced as "Loo-min-ess") is a puzzle video game series developed by Q Entertainment. The core objective of the games is to survive by rotating and aligning 2×2 blocks varying between two colors to form 2×2 squares of a single color which will be erased when the Time Line passes over them. The game is lost when the blocks reach the top of the playing field. The series has received many positive reviews and awards with the original receiving the highest review score ratings and the majority of the awards.