Square Enix Holdings Co., Ltd. this month said Octopath Traveler for Nintendo Co., Ltd.’s Nintendo Switch has sold 1.5 million units to global retail.

A free-to-play prequel game called Octopath Traveler: Champions of the Continent will be released to Android an iOS devices in 2019.

Octopath Traveler is a turn-based role-playing game that includes HD-2D graphics, Boost system to build powerful attacks, and eight distinct characters with their own story path.