In Filled Glass: Portals, players must tackle the satisfying task of filling glass vessels with vibrant balls transported through portals. However, there's a catch – you must adhere to the established rules. Each glass or bowl must be filled precisely to a marked level, indicated by a blue dotted line. This game offers a delightful mix of physics-based puzzles and precision gameplay. As you progress, the challenges become more intricate, requiring careful planning and execution to ensure every glass is filled to perfection.