Here is the complete list of themes in The Connections Project. Thanks to all the contributors who have generously contributed them. Why don't you create a new theme of your own? :)
catCreating reality ChristianityweatherFinal Fantasy VI CharactersNumbersSandboxJoJo's StandsBranches of ReligionTop WebsitesUrusei YatsuraAnimalsWorld ReligionsVideo Game ConsolesPhilosophyBranches of ScienceHistorical Figure Battle RoyaleWorld LanguagesOuter SpaceBranches of Math