In this "solid paper" of a game, items from both titles are shuffled and scattered across both game worlds. You might find Link's Hookshot in the depths of Norfair or Samus's Morph Ball in a chest in Hyrule. Core Mechanics
: Progress often requires finding an item in one game to unlock a path in the other. For example, you might need the Gravity Suit to reach a portal that leads to a required dungeon in Hyrule. Technical Context super-metroid-game-link
: The games are linked via four cross-game portals located at specific points, such as the Crateria Map Room connecting to the Lake Hylia Fortune Teller. In this "solid paper" of a game, items
: To "beat" the game, you must defeat both Mother Brain in Super Metroid and Ganon in A Link to the Past . For example, you might need the Gravity Suit
The crossover is possible because both games occupy nearly opposite memory areas in their original ROM structures. This allowed developers to technically "fit" both games onto a single virtual cartridge with minor tweaks to the engine logic to handle the transition between the two. Key Portals
The four primary portals connecting Super Metroid (Crateria, Norfair, Maridia, Gold Torizo) to A Link to the Past (Lake Hylia, Old Man Cave, Ice Rod, Misery Mire) allow for seamless movement between the, otherwise, distinct game worlds.