This game is in the morning (just before lunch UK/French time) on a Saturday, while in Australia it is peak party time (8pm).
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# Info 16 June 2018 13:00 MSK (UTC+3) Kazan Arena, Kazan
# France In France this would be a lunch time game (12am) suitable for a café atmosphere. What suitable French venues can we find?
France: 12:00 CEST (UTC +2)
# Australia In Australia this would be a early evening game suitable for a bar or café atmosphere. What suitable Australian venues can we find?
Melbourne: 20:00 AEST (UTC +10)
# Rest of Group C London, France, Copenhagen would all be early evening. Australia would be late Thursday night, and early Friday morning (so party time in Australia).
Denmark: 12:00 CEST (UTC +2)
London: 11:00 BST (UTC +1)
Lima: 05:00 PET (UTC -5)
# International times
13:00 MSK (UTC+3)
- timeanddate.com 
I can't think of any particular theme, though food might be fun in terms of contrasting French cuisine with Aussie specialities.
Comedy also springs to mind.
# See also - Group C