Streets of Rage 4: Stage 9 Y Tower: Skip the majority of the elevator section as Floyd.
Going out of bounds can be pulled off by going to the bottom left or bottom right corner of the room. Then by holding up, mash left and right. This is easier to pull off when using a keyboard or Nintendo Switch's directional buttons. For Xbox/PS4 you might as well try holding up on the stick and alternatively mash left/right on the d-pad.
You have to get the agent to the far left/right of the main area so that the camera will go out of bounds and focus on the player's current position. This will mess up the enemy spawns that happen in the later waves of the room.
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