Meiji Boxes
Smarties Etc.
Merijal Boxes
Popeye Cigarettes
Mini Kogu
Wilkinson's Allsorts
Pastirol Raspberry
Glico Caramel
Cadbury Milk Buttons
Cloetta Happy
Bimbo Negrito
Pal Bubblegum
Usher Menta Inglesa
Bassett's Allsorts
Hello Kitty Jelly Candy
Curly Wurly Bar
Yorkie Bar
Lindt Line-Up
Swedish Daims

The rest of the world's answer to M&M's is Smarties. (Or is it the other way around?) Unlike the ones in America, they often come in adorable perky tubes. As you can see, other countries also make this type of candy with the same packaging aesthetic.