Each of the pictures is a fighter from Super Smash Bros. Ultimate. In order, the characters are:
- Samus
- Eight (alternate costume for Hero)
- Cloud
- Olimar
- Ness
- Diddy Kong
- Shiek
- Sonic
- Bowser
- Greninja
- Alph (alternate costume for Olimar)
- Mega Man
- Enderman (alternate costume for Steve)
Reading the first letters of these characters reveals the clue phrase SECOND SSB GAME. The second game in the Super Smash Bros. series is MELEE.