Using cheats will lock you out of achievements, unless otherwise specified.

Clear Shell Shock on Normal or Hard.

Reach 100% Cool on Shell Shock.

Clear Pier Pressure on Normal or Hard.

Reach 100% Cool on Pier Pressure. (stage select allowed)

Clear Off The Wall on Normal or Hard.

Reach 100% Cool on Off The Wall. (stage select allowed)

Clear Radical Rails on Normal or Hard.

Reach 100% Cool on Radical Rails. (stage select allowed)

Clear Wading Around on Normal or Hard.

Reach 100% Cool on Wading Around. (stage select allowed)

Clear Back to the Wall on Normal or Hard.

Reach 100% Cool on Back to the Wall. (stage select allowed)

Clear Dock and Roll on Normal or Hard.

Reach 100% Cool on Dock and Roll. (stage select allowed)

Clear Surf Patrol on any difficulty and finish the game.

Reach 100% Cool on Surf Patrol. (stage select allowed)

Clear the game by playing Shell Shock through Surf Patrol on Hard.

Save up 7 extra lives.

Collect all six bonus stage letters to spell out the developer's name.

Reach 100% Cool on the bonus stage after Shell Shock. (stage select allowed)

Reach 100% Cool on the bonus stage after Pier Pressure. (stage select allowed)

Reach 100% Cool on the bonus stage after Off The Wall. (stage select allowed)

Reach 100% Cool on the bonus stage after Radical Rails. (stage select allowed)

Reach 100% Cool on the bonus stage after Wading Around. (stage select allowed)

Reach 100% Cool on the bonus stage after Back to the Wall. (stage select allowed)

Reach 100% Cool on the bonus stage after Dock and Roll. (stage select allowed)