Home › Games › Timeline Timeline How to play Put today's five grounds in the order they opened. Tap the oldest first. UndoLock it in How to play Timeline Tap the five grounds from the oldest to the newest. Tap one on the timeline to take it back. Press Lock it in and the opening years are revealed. One go a day; every ground is at least four years apart. "Opened" is the year the current stadium (or its first version on the site) opened, from Wikidata. Got it