Distributing or using keygens to circumvent copyright protection remains illegal in most jurisdictions under laws like the DMCA (Digital Millennium Copyright Act) in the US, even for older software.
uses a unique color-based password system to skip between worlds. These "paper" guides often list color sequences (e.g., Red, Blue, Green, Yellow) to access specific stages: : Entry-level world. Egypt/Castle/Spaceship bud redhead registration key