Finally, a chance to tell Nintendo you want voice chat.
http://www.nintendoworldreport.com/news/40200/splatoon-multiplayer-beta-and-new-modes-announced
For the first time ever, Nintendo will be holding a beta for a game.
Announced in today’s Splatoon Direct, the beta, dubbed Global Testfire, will run May 8 from 11 p.m. ET to 12a.m. ET, and May 9 from 7 a.m. ET to 8 a.m. ET and 3 p.m. ET to 4 p.m. ET. This demo, downloadable from the eShop today, will give early access to the Turf War mode. The beta is on the eShop now and Nintendo will take feedback from beta testers.
The Splatoon-centric Direct also announced the following modes: