Three things help: a low-threshold dress code (a colour or accessory, not a full costume), a clear invitation that explains what the theme is and why it's fun, and an atmosphere on arrival that convinces straight away.
When the décor, the music and the welcome drink click on arrival, the hesitant ones come along of their own accord. Never leave the dress code entirely optional: ‘themed clothing is welcome but not compulsory’ leads to a mixed result.
More tips on themes for a staff party? Read our full article →