Jet Set Willy technical information

How to disassemble the original JSW engine.
The JSW2 room format.
A teleporter extension.
Analysis of Henry's Hoard - a game based on the JSW48 engine.
Analysis of the Softricks JSW editor's changes to the JSW48 engine.

Manic Miner technical information

Disassembly of the Manic Miner engine.
A patch to Manic Miner which allows any room to have Solar Power, Eugene, Kong or Skylab.
Differences between the Bug-Byte and Software Projects game engines

John Elliott 25-3-2003