Frozenbyte announces that Trine 3: The Artifacts of Power will be released on April 21st on Steam Early Access. The game's Steam page is live, and they celebrate the news with a new trailer. Here's word on Early Access next Tuesday and a livestream on Monday:

Finnish game developer Frozenbyte is excited to announce that Trine 3: The Artifacts of Power will launch on April 21 on Steam® Early Access for $19.99 / 19.99€ / £14.99. The Store Page is now up at http://store.steampowered.com/app/319910/ and a brand-new Early Access trailer is available at https://youtu.be/OwwZC0r94zo

Frozenbyte will also broadcast a live development stream on Twitch® starting on Monday the 20th of April at 15:00 UTC (08:00 AM PDT), showcasing the game and the final day of the Early Access launch frenzy. The live stream will be broadcast on Twitch at http://www.twitch.tv/FrozenbyteGames. More information and the planned schedule will be announced on Monday.