Flash Party is an action game featuring dozens of characters with different skill sets. The players will engage in a fight against enemies in a combat system similar to the classic Smash Bros. Pick up your character and try your best moves to defeat the opponents in the arena. You will unlock new characters as you proceed further into the game.
In the following list, the characters of Flash Party are categorized into different tiers. The most prominent characters in tier SS are Sophia and Mikko while Alice and Tina Sivi are the best ones in tier S. Magician and Heracles rank in tier A. Cupid is a character in tier B.
SS Tier
| Characters | Tier |
| Sophia | SS |
| Mikko | SS |
S Tier
| Characters | Tier |
| Alice | S |
| Tina Sivi | S |
A Tier
| Characters | Tier |
| Magician | A |
| Heracles | A |
B Tier
| Characters | Tier |
| Cupid | B |