The phrase signifies the act of acquiring a modified version of the FIFA 16 video game that incorporates elements intended to replicate or simulate features found in the later FIFA/EA Sports FC 25 iteration. This typically involves altered game files that introduce new teams, player rosters, visual assets, or gameplay mechanics.
The practice stems from a desire to experience updated content within an older, and often more accessible, gaming platform. It allows users to circumvent the need to purchase the latest game while still enjoying aspects of its updated features, like current season player data. Historically, such modifications have been popular within gaming communities as a means of extending the lifespan and personalizing the gaming experience.