Nintendo Co. this week said Splatoon for the Wii U has sold 600,000 units in the U.S.
The figure includes retail and digital units combined.
Splatoon is a multiplayer competitive action game in which users take a squad of squids to spray ink to cover territory.
After ink is sprayed, a users can dive through their own ink to reach another area quickly.
The final game includes 4-vs.4 online multiplayer functionality, single-player mode, and free post-launch download content.
Turf War, the main online mode, is a four vs. four team-based multiplayer mode in which each user can gain levels and earn in-game currency to customize their player.
Ranked Battle is a multiplayer mode that keeps track of each user’s online ranking. Splat Zones is a Ranked Battle mode that allows users to control territory of specific areas with ink blasts. Users must achieve level 10 in Turf War in order to access Splat Zones.
Finally, the single-player mode allows users to explore the underground base of the enemy Octarians in specific single-player levels.