It's a ninja version of DOOM. You can slash a lot of demons using katana, guns, and rocket launcher. However, this game is different from the other fps games because of the katana and skills. You can heal yourself, use a chi-strike, chi-wave, etc. It's one of the best first person slasher game I've ever played. Oh, don't miss the amazing story. You'll miss Hoji if you see the final credit.
