Metroid Prime 2: Echoes/Controls

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Button Action
Start button Pause the game and view Samus's Data Network
Neutral control Move Samus
Z button Display map
R button Hold and use Neutral control to look around; Activate Spider Ball while in Morph Ball mode.
Neutral dpad Switch visors
B button Jump; Dash sideways while locked on; Activate Boost Ball while in Morph Ball mode; Activte Gravity Boost while jumping.
L button Lock onto enemies; Scan objects while in Scan Mode; Use Grapple Beam
A button Fire beam weapon (Hold to charge); Hold and press Y button to fire Missle Combo; Lay bombs while in Morph Ball mode
Y button Fire Missles; Lay Power Bombs while in Morph Ball Mode
X button Switch between standard and Morph Ball modes
Neutral cstick Select Beam Weapon