Igarashi described what he believed were key elements in the genre. These include designing maps that encourage exploration but which still guide the player on a main path through the game and providing means where the player can be aware of where they are in the game world at any time. This can be accomplished by graphical themes through the game's world, visually unique milestones at key game point, overall map and player status information screens, and the means of moving around the map quickly.[7]