A Space for the Unbound

Find all 20 bottle caps during Chapters 1 to 4. Some are missable, so you should collect each as soon as you can.

Credit to Wolfwood on Neoseeker for their guide (with screenshots). I've added a bit more information to some of these:
https://www.neoseeker.com/a-space-for-the-unbound/walkthroug...

Chapter 1

• Koala Kola World Cup: Loka High - Classroom, next to filing cabinet
• Classic Koala Kola: Loka High - Behind Cafeteria by pile of junk
• Old Man's Grape: Alleyway beside Loka High, on the corner on some cardboard
• Koala Kola: Near Newsstand on General Store street
• Pigsy Cola: Inside General Store, far right
• Artsy Cola: Garbage Area, near Swamp entrance, by cart things
• Rhino Soda: Base of tree at Swamp
• Soto Tea: Outside Cinema entrance
• Manta Soda Strawberry: Inside Cinema, next to popcorn machine. Missable, as you will no longer be able to enter the Cinema after Chapter 1.

Chapter 2

• Manta Soda Orange: Inside Rahmat Arkade near reception
• Manta Soda Pineapple: Inside Rahmat Arkade by gents toilets
• Starfish Beer: Inside Net Cafe by pink vending machine
• Pink Sand: Inside Net Cafe to the far right bottom of stairs

Chapter 3

• Maqau Water: Inside Bakso Stall on the far left table, once you’ve eavesdropped on Ms Nikin’s conversation.
• Coconut Pandan Syrup: Far left side of Arcade and Cafe street next to scarecrow, once fire truck has moved
• Keylime Kecap Manis: North Neighborhood street. In front of a yellow house, once you’ve dealt with Madame Puspa and fire trucks have left
• Wilderness Ketchup: North Neighborhood street. By group of kids and red corrugated iron fence, once you’ve done the bit with Madame Puspa and fire trucks have left
• Kopi Bir: River Bank, near Mr. Setiawan's performance venue. Get this bottle cap before completing Mr. Setiawan's spacedive

Chapter 4

• Teh Buah: Outside Basecamp, by front of bus
• Java Ginger: Along Internet Cafe street