The previously released demo for Nintendo's upcoming family-friendly third-person shooter Splatoon is going live for one more hour next weekend.

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"The free Splatoon Global Testfire demo event is back for an encore!" Nintendo announced this morning, noting that the event will go live for Wii U owners on Saturday, May 23 at 3pm PST, 11pm BST and 8am on Sunday, May 24 AEST.Additionally, everyone in Europe who downloads the demo—be it during the initial batch of hour-long Testfire sessions or next week's final round—will get 10 percent off a digital copy of the full game from Nintendo's eShop. The offer kicks off when the game launches on May 29 and will remain valid until June 4.For more on Splatoon, including why one editor firmly believes the game needs voice chat , keep it locked to IGN.

Alex Osborn is a freelance writer for IGN. You can follow him on Twitter @alexcosborn