What Are the "Back Buttons" on a PS2 Controller? L1 & L2 Shoulder Buttons

The PS2 controller (DualShock 2) doesn't have buttons labeled "back." You're likely referring to the L1 and L2 buttons on the left shoulder.

Common Uses for L1/L2

• L1: Aim down sights, look behind, cycle weapons, block/parry.
• L2: Brake (racing), crouch, alternate fire, modifier for other actions.

Functions vary by game; check the in-game control menu or manual for specifics.