У вашего броузера проблема в совместимости с HTML5
An interesting sort of arena map in which we can place bets on NPC fights as well as take part in the matches. We're using the Obsidian Conflict platform for co-op, which is much like the Synergy mod on Steam. Links to the mods below.
Obsidian Conflict: https://www.moddb.com/mods/obsidian-conflict
Kake map: http://mapdb.obsidianconflict.net/map:kake