Because hundreds of individual games used the exact same DRM wrapper infrastructure, security researchers and hobbyist programmers discovered that a single modification method could apply across an entire catalog. If a tool could bypass the wrapper of one Zylom game, it could theoretically bypass the wrapper of almost any game released during that specific era. Technical Overview: How Universal Patchers Operated
Even if the patcher successfully removed the time limit, there were significant downsides to using it: zylom games universal patcher v5
Precautions: