Art Style: SOMNIUM (also known as NEMREM in the PAL regions and ZENGAGE in North America) is a DSiWare video game released in January of 2009. The game was one of the many Art Style video games released for DSiWare. The game is a sliding block puzzle game where you try to make the play field resemble what was given to you, which will prove to be quire the challenge as you progress through the game. The game costs 500 Nintendo Points.