âge is a division of Acid Co., Ltd., a Japanese publisher of adult video games and visual novels. âge was formerly known as Relic and developed video games for consoles. It was founded by Hirohiko Yoshida, Baka Prince Persia, Nanpuureima, Spin Drill, and Carnelian. âge games are published under the brands âge, Mirage, and Φâge.