Jak and Daxter: The Precursor Legacy/Demo

After watching the Intro Movie, you will already be on Misty Island. Apparently in the real game, you start out on or near Lookout Island where there is a small village.

For purposes of the walkthrough, I will be separating the island into areas for clarity of item locations.

Misty Island: Starting Beach Area

 * Quest Items: 10 Orbs
 * Hazards: The Fish
 * Orb Locations:
 * 3 in a vertical column above the teeter-totter (you need to double-jump from the top step or Handstand Dive on the teeter-totter to reach the top Orb)
 * 3 in a line on the bottom step
 * 4 in a line on the top step

Misty Island: Sculptor's Muse Area

 * Quest Items: 20 Orbs, 1 Scout Fly, 1 Power Cell
 * Hazards: The Fish, Purple Lurkers, Skeleton Lurkers, Mud Lurkers, The Fall
 * Orb Locations:
 * 4 on the smoothed bone stairway
 * 3 in a vertical column at the vertical bone bridge platform
 * 7 in a circle on the platform at the base of the short backbone bridge
 * 3 in a vertical column above the teeter-totter next to the platform at the top of the long backbone bridge
 * 3 in a line on a step near teeter-totter
 * Scout Fly Location: Platform at the top of the long backbone bridge
 * Power Cell Location: Regardless of where along the path you catch him, you're instantly transported to the platform at the top of the long backbone bridge after the Catch Cutscene.

Misty Island: Mist Pillar Area

 * Quest Items: 13 Orbs, 2 Scout Flies, 1 Power Cell
 * Hazards: The Mist, Purple Lurkers, Skeleton Lurkers, Mud Lurkers, Dark Eco Boxes
 * Orb Locations:
 * 3 in a line in the Scout Fly alcove
 * 3 in a line on the breakaway stones along the wall between the alcove and the Arena Area portal
 * 2 in a line on the breakaway stones on the platform next to the 2 Blue Eco pieces
 * 5 in an arc between the Red Eco platform and the Mud Lurker platform
 * Scout Fly Location: Alcove overlooking the Bay Area
 * Scout Fly Location: Platform along the wall between alcove and Arena Area portal.
 * Power Cell Location: On a pillar across from the Blue Eco platform

Misty Island: Arena Area

 * Quest Items: 19 Orbs, 1 Power Cell
 * Hazards: Purple Lurkers, Skeleton Lurkers, Lurker Cannon Charges, Dark Eco Pool
 * Orb locations:
 * 5 in a line at the top of the stairs that rise after fighting off the ambush
 * 2 in Metal Box 1 (Counting from left, Cannon's view)
 * 4 in Metal Box 2 (Counting from left, Cannon's view)
 * 3 in Metal Box 3 (Counting from left, Cannon's view)
 * 2 in Metal Box 4 (Counting from left, Cannon's view)
 * 3 in Metal Box 5 (Counting from left, Cannon's view)
 * Power Cell Location: Beside the Lurker Cannon after the second Purple Lurker is killed.
 * Power Cell Location: On bridge above the Dark Eco pool.

Misty Island: Side Beach Area

 * Quest Items: 36 Orbs, 1 Scout Fly
 * Hazards: The Fish, Purple Lurkers, Skeleton Lurkers, Mud Lurkers, Dark Eco Boxes
 * Orb Locations:
 * 3 in a line at the Arena Area portal
 * 3 in an arc from the Red Eco blob to the stone step in the mud
 * 4 in a vertical column above the teeter-totter
 * 4 in a line on the Scout Fly's platform
 * 3 in a line on the bottom step to the beach below the ribcage tunnel
 * 15 in the Blue Eco Device
 * 2 in a line on the bottom step near the Lurker Ship bridge
 * 2 in a line on the top step near the Lurker Ship bridge
 * Scout Fly Location: Alcove overlooking the Bay Area above teeter-totter.

Misty Island: Lurker Ship Area

 * Quest Items: 20 Orbs, 2 Scout Flies, 1 Power Cell
 * Hazards: The Fish, Purple Lurkers, Skeleton Lurkers, Mud Lurkers, Dark Eco Boxes, Barrels, Balloon Lurker Mines
 * Orb Locations:
 * 6 on the bow of the Lurker Ship
 * 4 on the top step near the Power Cell
 * 3 on the Arena Area bridge between side platforms 1 and 2
 * 4 on the Arena Area bridge side platform 3
 * 3 on the Arena Area bridge between side platform 3 and Arena Area balcony
 * Scout Fly Location: Raised area on the deck of the Lurker Ship.
 * Scout Fly Location: Side-platform 2 on the Arena Area bridge.
 * Power Cell Location: On top of the deckhouse on the Lurker Ship.

Misty Island: Bay Area

 * Quest Items: 32 Orbs, 1 Scout Fly, 2 Power Cells
 * Hazards: The Fish, Balloon Lurker Mines
 * Orb Locations:
 * 5 on the Zoomer stunt bridge ramp
 * 5 on the Zoomer stunt bridge platform near power cell
 * 5 on the Zoomer stunt bridge near Scout Fly
 * 4 in a line under Zoomer stunt bridge
 * 8 in a line at Lurker Ship hold doors
 * 5 in a line under skeleton tunnel
 * Scout Fly Location: At the end of the Zoomer stunt bridge.
 * Power Cell Location: Near the Zoomer stunt bridge.
 * Power Cell Location: After all of the Balloon Lurkers are killed, the cutscene shows the power cell appearing in the hold of the Lurker Ship.

i. Scout Flies (about 1.4% per Fly - 10% of Total)

 * 1) Sculptor's Muse Area: Platform at the top of the long backbone bridge.
 * 2) Mist Pillar Area: Alcove overlooking the Bay Area.
 * 3) Mist Pillar Area: Platform along the wall between alcove and Arena Area portal.
 * 4) Side Beach Area: Alcove overlooking the Bay Area above teeter-totter.
 * 5) Lurker Ship Area: Raised area on the deck of the Lurker Ship.
 * 6) Lurker Ship Area: Side-platform 2 on the Arena Area bridge.
 * 7) Bay Area: At the end of the Zoomer stunt bridge.

ii. Power Cells (about 10% per Cell - 80% of Total)

 * 1) "Catch The Sculptor's Muse" - {Sculptor's Muse Area} Regardless of where along the path you catch him, you're instantly transported to the platform at the top of the long backbone bridge after the Catch Cutscene.
 * 2) "Climb The Lurker's Ship" - (Lurker Ship Area} On top of the deckhouse on the Lurker Ship.
 * 3) "Stop The Cannon" - {Arena Area} Beside the Lurker Cannon after the second Purple Lurker is killed.
 * 4) "Return To The Dark Eco Pool" - {Arena Area} On bridge above the Dark Eco pool.
 * 5) "Find The Trans-Pad"/"Destroy The Balloon Lurkers" - {Bay Area} After all of the Balloon Lurkers are killed, the cutscene shows the power cell appearing in the hold of the Lurker Ship.
 * 6) "Use Zoomer To Reach Power Cell" - {Bay Area} Near the Zoomer stunt bridge.
 * 7) "Use Blue Eco To Reach Power Cell" - {Mist Pillar Area} On a pillar across from the Blue Eco platform.
 * 8) "Free 7 Scout Flies" - {Last Scout Fly's Area} After all of the Scout Flies are found, the cutscene shows the power cell appearing right next to the seventh Scout Fly's location.

iii. Orbs (about 1% per 15 Orbs - 10% of Total)
150 Orbs Total: 10 Orbs -- Starting Beach Area 20 Orbs -- Sculptor's Muse Area 13 Orbs -- Mist Pillar Area 19 Orbs -- Arena Area 36 Orbs -- Side Beach Area 20 Orbs -- Lurker Ship Area 32 Orbs -- Bay Area