In Friends Fat To Fit Day, players are tasked with guiding a group of overweight friends as they attempt to lose weight and get in shape. The game takes place in a series of challenges and obstacles, where the player must navigate the friends through various exercises and activities designed to promote weight loss.
The core mechanic of the game revolves around guiding the friends through a series of puzzles and mini-games, which are designed to help them shed pounds and improve their overall health. Players must collect virtual fruits and vegetables, which serve as a source of nutrition for the friends, and avoid unhealthy foods that would hinder their progress.
The ultimate objective is to help the friends reach their goal weight within a set timeframe. The game runs in the browser without download or registration, allowing players to jump in and start playing immediately. As players progress, they can unlock new challenges and activities to help their friends achieve their fitness goals.