Damaging opponents or taking hits fills an evolution meter. Once full, pressing the R1 button allows Rookie Digimon to "Digivolve" into their more powerful Ultimate/Mega forms for a limited time.
The game is known for certain competitive-level glitches, such as Renamon's infinite throw loop and supers with invulnerability frames , which are documented by enthusiasts in community-led guides like the Battle Evolution Guide .
Between certain story stages, the character Culumon (Calumon) hosts various mini-games to break up the combat.