Link & Arrow is a free puzzle game available on iPhone that invites players to connect numbers in sequence by drawing continuous paths through a grid. The gameplay requires players to connect numbered nodes in the correct order, with the challenge increasing as players progress through 24 levels. Each level demands strategic thinking and careful planning to successfully navigate through the grid while adhering to cardinal directions.

Key features include a backtracking system that allows players to undo mistakes, an achievement system for unlocking rewards, and customizable colors for drawing paths. Players can also track their scores and completion times, aiming for perfect runs and a three-star rating on each level. Link & Arrow is designed to enhance problem-solving skills while offering an enjoyable and challenging experience.