Nintendo only revealed that the Nintendo NX would be coming out in March of next year, and already it is being confirmed that games are in the works for the system. Koei Tecmo has revealed that they are developing games for the Nintendo NX, however they have not said or even teased what they are working on. In regards to Nintendo systems and Koei Tecmo the company has worked on several games recently including Hyrule Warriors and Fatal Frame: Maiden of Black Water.