Chromaroma is a game that shows you your movements and location as you swipe your Oyster Card - the London public transport payment system - in and out of the Tube (Bus, Tram and Boat games coming soon).It connects communities of people who cross paths and routes on a regular basis, and encourages people to make new journeys and use public transport in a different way by exploring new areas and potentially using different modes of public transport.
At its simplest, Chromaroma is about amassing the most points possible. By watching your own travel details you can investigate interesting new ways to travel and exciting new destinations in order to get more points. Grab "multipliers" and bonus points by working with a team, building up connections with fellow passengers and discovering mysteries that are attached to locations on your routes.
See the Chromaroma website