The "circles" gamemode has different, more stable physics. Suika classic is made to match the switch game スイカゲーム
Ahh shoot, I was in Suika Classic game mode! Okay thanks for clarifying the intention there, that actually makes a lot of sense. You've managed to make the Suika Classic game mode feel a lot like what I see when I watch others play the game, so great job there! I'm having a blast with the game so far and probably playing it a bit more than I should at work and all... very addictive!