Many "showcase" links found on unofficial forums or video descriptions contain malicious software or keyloggers.
Unlike client-side executors that only affect your own view, Topkek 6.0 is a Server-Side script . This means that if it is successfully executed in a vulnerable game, its effects (such as changing the map, killing players, or spawning objects) are visible to everyone in the server.
The Ultimate Showcase: Understanding TopKek 6.0 Roblox Scripts