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 Spirit (1988) vs The Ninja Warriors
VSNinja Spirit (1988) vs SHINOBI NON GRATA
VSNinja Spirit (1988) vs Shinobi (1988)
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 Ninja Gaiden: Dragon Sword