Bulk collections tend to sit on hard drives taking up space, suffering from the "Netflix effect" where you spend more time scrolling through 500+ games than actually playing one. To help narrow down the specifics of this file, what device or emulator are you planning to use to play these games?
The complete Nintendo DS library is notorious for a massive amount of "shovelware" (low-quality budget games, pet simulators, and localized TV show tie-ins). A pack scaled down to 569 games usually means a curator has stripped away the fluff to focus on high-quality, playable titles. Plug-and-Play Ready: nds-roms collection of 569 english games