Ratatan, the spiritual successor to PSP rhythm platformer Patapon, releases this week in early access on PC. The game has been developed by veterans of Sony Japan Studio, known for both Patapon and LocoRoco among other games. In a livestream over the weekend, the developers revealed the launch timing as well as a look at the roadmap for the game over the next few months. Ratatan will launch at midnight on 19th September in Japan - that's 4pm on 18th September UK time. Image credit: TVTIt'll cost $24.99 / €24.50 / ¥2800 (UK price TBC), and receive a 10 percent discount for 10 days following launch.