Seurat (Demi Bold)

Font Seurat
Style Medium | Demi Bold
Try Fontworks (Japanese)
From Sample Image
Sonic Heroes dialogue lines Hey look! It's Sonic!!
Sonic Generations title cards CHEMICAL PLANT
Other appearance
  • Sonic Mega Collection Plus menus
  • Sonic Gems Collection menus
  • Sonic Generations menus, dialogue lines, HUDs, result screens
Note I once concluded that it was Helvetica Rounded Bold (but I also did notice the inaccuracy of letter “G”) until I found this post on Sonic Retro Message Board. And this led me to have found Rodin, New Rodin, and New Cinema A successfully. A similar free alternative is Nunito.