• Glulx: A 32-Bit Virtual Machine for IF
  Glulx is a portable VM, like the Z-machine. Unlike the Z-machine, it uses 32-bit data and addresses, so it can handle game files up to four gigabytes long. Also unlike the Z-machine, it has native support for Glk I/O, so game files can use any capability
  in Public bookmarks with fiction glk glulx if interactive

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