Blurry Mode:
While playing, press R3, R3, R3, R3, L3, L3, L3, L3, R3.
Tunnel Mode:
While playing, press L3, L3, L3, R3, R3, R3, L3, R3, L3.
Monkey Mode:
While playing, press L3, L3, L3, L3, R3, R3, R3, R3, L3.
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