Move forward or backward in search of an exit, but remember: if you start moving, you will not be able to stop. Take bonuses, destroy obstacles and bosses, but in no case touch them or the walls, otherwise you will have to start from the beginning.
Estimates — owners use the Boxleiter method (reviews × 32), wishlists proxy followers × 12, revenue uses ~62% of list price × est. owners. These are rough industry heuristics, not official data.