Mario’s Keep Co-Op – NES
🧩 Mario’s Keep Co-Op – NES 8-Bit Game Cartridge | Puzzle Platformer Challenge! 👑
🎮 Item Description:
Tricky jumps. Clever puzzles. 9 floors. 50 lives.
Welcome to Mario’s Keep Co-Op, a one-of-a-kind fan-made hack of Super Mario Bros. This NES puzzler demands more than speed—it requires brainpower and precision. Navigate through mind-bending level sequences, discover secret paths, and rescue Princess Peach!
Originally started by w7n and completed by NesDraug, this hack features 25 levels, custom mechanics, new graphics, music, and a special world selector mode unlocked after beating the game.
🧠 Key Features:
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🧩 Puzzle platformer gameplay—more strategy than speedrun
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👯♂️ Co-op style rooms requiring coordination & experimentation
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🔄 9 floors to discover & unlock
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🎨 Custom graphics, altered physics, & new music
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💡 Hint: Sometimes it pays to be small!
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🕹️ 50 starting lives & secret continue code (A+Start)
📦 Includes:
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1 × Mario’s Keep Co-Op NES 72-Pin Game Cartridge
(Fan-made reproduction – fully tested and functional)
✅ Compatible With:
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NES (Original “toaster” or Top Loader)
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Retron 1, 2, 3, HD | Retro Trio | Retro-Bit | Gamerz Tek hardware-based systems
❌ NOT compatible with Mattel NES, Retron 5, or Retro Freak (Android emulator-based systems)
🧠 Up for the challenge? Mario’s Keep Co-Op turns the Mushroom Kingdom into a brain-bending labyrinth. Only the cleverest plumbers survive!