Too close to call — not enough ratings yet.
Each game needs 3 ratings for a community verdict
2 genres in common — shown in orange.

VSNinja Gaiden vs Ninja Gaiden III: The Ancient Ship of Doom (1991)
VSNinja Gaiden vs Ninja Gaiden II: The Dark Sword of Chaos (1990)
VSNinja Gaiden vs Shinobi (1988)
VSNinja Spirit (1988) vs The Ninja Warriors
VSNinja Spirit (1988) vs SHINOBI NON GRATA
VSNinja Spirit (1988) vs The Cyber Shinobi