The Retro Runner - Anniversary of Arcus's guiness world record Ninja Gaiden entry. He also announced that his next grind is improving his Ninja Gaiden world record. I'm not even close but
Ninja Gaiden II Hands-On Impressions - GameSpot
Speedrun Fast: Ninja Gaiden Black/Sigma
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Ninja Gaiden: Master Collection Review (Switch eShop) | Nintendo Life
Ninja Gaiden II' offers challenges aplenty
WORLD RECORD - Running While Playing & Beating Ninja Gaiden (NES) - VIDEO - Nerd Bacon Magazine
Any% in 11m 34s 184ms by TheRetroRunner - Ninja Gaiden (NES) - speedrun.com
Take on the NES Library » #59 – Ninja Gaiden
Amazon.com: Ninja Gaiden II : Video Games
Ninja Gaiden: Master Collection on PC Requires Inputting Resolution in Steam Properties
WR] Ninja Gaiden (NES) Any% in 11:35:43 by TheRetroRunner : r/speedrun
Ninja Gaiden NES speedrun in 11:39.933 - YouTube
Ninja Gaiden NES Speedrun in 11:37.833 by TheRetroRunner (Former WORLD RECORD!) - YouTube
Ninja Gaiden NES speedrun in 11:38.583 (2nd fastest time ever) by Arcus - YouTube
Ninja Gaiden: Master Collection Review (Switch eShop) | Nintendo Life
Amazon.com: Ninja Gaiden II : Video Games
TheRetroRunner on Twitter: "NEW NINJA GAIDEN WORLD RECORD 11:36.2! Come on down, watch the run with us, and get HYPE! https://t.co/aYH0namTw2 https://t.co/4aD4ysQeOP" / Twitter
Ninja Gaiden Speedrun World Record - YouTube
Ninja Gaiden II (NES) wr in 9:53.9 by jimmypoopins : r/speedrun
Ninja Gaiden: Master Collection Includes Sigma Releases Because the Originals' Data Was Not Salvageable