Perfect Dark on Nintendo 64 has a hidden character in multiplayer — a Maian soldier, the small grey alien species appearing in the campaign — accessible only by completing the main campaign on Perfect Agent difficulty, the hardest setting, without using any continues.
The Maian soldier plays differently from human characters: smaller hitbox, slightly faster movement, and one unique weapon in the multiplayer loadout that cannot be accessed through any other unlock path. Rare built a functionally different multiplayer character behind a difficulty gate that most players never attempted.
Perfect Dark also contains a rare display mode — accessible by completing a specific co-op mission with one player deliberately dying at a precise moment — that renders the game in a wireframe art style for the remainder of that session. The wireframe mode persists until the game is reset and cannot be saved.
Rare’s N64 era games are uniformly dense with hidden content that requires conditions players would rarely encounter organically. Perfect Dark, GoldenEye, Banjo-Kazooie, and Donkey Kong 64 collectively demonstrate a studio culture where hiding things was a default creative practice.
This is the kind of discovery that keeps communities alive for years. Well documented.
Really fascinating breakdown — I had no idea this was hidden in plain sight the whole time. Going back for another playthrough immediately.