Roc'n Rope - Konami's 1983 arcade climber for the Commodore 64 via BrokenBytes

Broken Bytes has began a project to bring over Konami’s 1983 arcade classic Roc’n Rope to the Commodore 64 without any AI! This faithful conversion tasks players with ascending treacherous, multi-tiered stages using nothing but a harpoon gun and sheer determination to reach a mythical phoenix. Navigating the vertical landscapes requires timing, as players must anchor ropes across treacherous gaps and climb to safety while dodging a barrage of falling rocks, aggressive dinosaurs, and hostile cavemen. To survive the onslaught, climbers can blind foes with a flashlight, snatch up power pills and feathers for a competitive edge, and chain together actions to keep their high-score bonus ticking across four distinct environments—ranging from jungle ledges, icy caves, spinning wheels to a towering waterfall.

The presentation stands out by utilizing full-screen overscan to deliver an impressive 320×248 pixel playfield that bleeds directly into the C64 borders, keeping the HUD cleanly tucked below the action. The technical wizardry extends to the physics engine, which employs sub-pixel positioning and frame timing tailored to PAL refresh rates to recreate the exact feel of the original cabinet. Dynamic rope mechanics ensure that climbing feels perfectly fluid as well, with the software seamlessly shifting anchored rope segments into bitmap data when the screen becomes crowded with prehistoric threats. Finally the four detailed worlds within the game make full use of the C64 palette.

Credits

  • Code: Antonio Savona
  • Graphics: Steve Day
  • Music & sound: Aldo Chiummo
[UPDATE] : I've been told the development status hasn't been updated, but the game is out now!

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