Party game ideas for my Twins party

[MamaHearts5]

My twin boys birthday is next week (30th May) and they are having a theme party & I am stumped for ideas on what party games to play??

They are having a Ben 10 costume party, so need ideas on party games in a Ben 10 theme.

Thanks

[Mum2Bella]

sorry dont know who or what ben 10 is

[Jinglebells]

could you do pin the something on the alien lol (depending on what alien you choose is dependant on what you pin on lol)

umm that is all I can think of at the mo, will put my thinking cap on again though lol