Ninja Gaiden 3DS: and There was Much Rejoicing (and Slicing)
You might finally beat Ninja Gaiden with Switch Online's SP version – Destructoid
Ninja Gaiden Master Collection - My Version by EnlightendShadow on DeviantArt
Finishing Ninja Gaiden in the Dark - Blog - Nintendo World Report
Ninja Gaiden for Nintendo 3DS - Nintendo Game Details
Ninja Gaiden: Master Collection producer says the third game is his favorite and the toughest, but is sure 'a lot of fans may not agree' – Destructoid
Every Ninja Gaiden Game (& The Consoles They Can Be Played On)
GoNintendoTweet on Twitter: "Ninja Gaiden's Ryu Hayabusa will be playable in Warriors Orochi 4 Ultimate https://t.co/5CqC1zjmKp https://t.co/EBIPiqIVYy" / Twitter
Team Ninja on possibility of new Ninja Gaiden game - Nintendo Everything