The Paris public transport system is run by RATP and consists of the Métro (underground), Tram, RER suburban express train (which interconnects with the Métro inside Paris), bus and Noctilien (night bus). Check the RATP link: https://www.ratp.fr/en
You can also enjoy the pleasure of visiting the capital by bicycle with Velib’, a bicycle sharing system. Check: https://www.velib-metropole.fr/en_GB
And you can discover some areas of Paris Region with Auto Lib’, an electric car sharing service. Check: https://www.autolib.eu/en
To visit Paris differently, the ideal public transport system is called BatoBus, a river shuttle service on the Seine. Batobus gives you the freedom to explore central Paris. The panoramic boats stop at 8 different locations close to Paris’ main districts and monuments:
. Eiffel Tower
. Musée d’Orsay
. Saint-Germain-des-Prés
. Notre-Dame
. Jardin des Plantes / Cité de la Mode et du Design
. Hôtel de Ville
. Louvre
. Champs-Élysées
Check: http://www.batobus.com/en/river-boat-shuttle-service.html
Enjoy your stay in Paris and have a great time at Paris 2018-Gay Games 10.