Sound credits

Every sound and every track in Japa is free to use: CC0 1.0 (the author gave up their rights) or public domain. None of it needs a credit. Here they all are anyway, with where each came from. Licences checked 15 October 2026. Some sounds are edits or layers of these recordings (cut, filtered, pitched, mixed); none of them is ours.

Music on the radio

Funked Up · Joth
CC0 1.0 · source
Feel Good Island · Brandon Morris (loop edit: AntumDeluge)
CC0 1.0 · source
Funky House · Of Far Different Nature, Fupi, congusbongus
CC0 1.0 · source
Lofi Hip Hop Loop · omfgdude
CC0 1.0 · source
Funky Menu Loop · iamoneabe
CC0 1.0 · source
Chill Lofi Inspired · omfgdude (loop edit: qubodup)
CC0 1.0 · source
Calm Loop · wipics
CC0 1.0 · source

Sound effects

Back
Interface Sounds by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Car door
Car Sound Effects Pack (Low Quality) by GGBotNet (CC0 1.0)
Car horn
Car Horn by 15HPanska_Ruttner_Jan (original on Freesound, CC0 copy on Commons) (CC0 1.0)
Cash in (ka-ching)
RPG Audio by Kenney Vleugels (Kenney.nl) (CC0 1.0);Impact Sounds by Kenney Vleugels (Kenney.nl) (CC0 1.0);Coin Drop by Vinrax (CC0 1.0)
Cash out (coins)
RPG Audio by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Danfo horn
Car Sound Effects Pack (Low Quality) by GGBotNet (CC0 1.0)
Done
Interface Sounds by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Door closing
RPG Audio by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Door opening
RPG Audio by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Footsteps on carpet· 3 takes
Impact Sounds by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Footsteps on concrete· 3 takes
Impact Sounds by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Footsteps on tiles· 3 takes
Impact Sounds by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Footsteps on wood· 3 takes
Impact Sounds by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Generator starting
Car Sound Effects Pack (Low Quality) by GGBotNet (CC0 1.0);Engine sounds(2) by pauliuw (CC0 1.0)
Good-news jingle
Music Jingles by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Kettle switch
RPG Audio by Kenney Vleugels (Kenney.nl) (CC0 1.0)
NEPA takes light
100 CC0 SFX #2 by rubberduck (CC0 1.0);Resident air-conditioned out door unit by Ranch9613 (CC0 1.0)
Notification
Interface Sounds by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Okada passing
Motorbike 1 and Motorbike 4 by ezwa (via PDSounds) (Public domain)
Plane taking off
Sound of AN-24 airplane by Grachev (ru.wikipedia) (Public domain)
POS beep
Digital Audio by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Pot on the stove
RPG Audio by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Promotion jingle
Music Jingles by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Something went wrong
Interface Sounds by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Tap
Interface Sounds by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Task star
Digital Audio by Kenney Vleugels (Kenney.nl) (CC0 1.0)
Thunder
100 CC0 SFX #2 by rubberduck (CC0 1.0)
Thunder with rain
Rain (1) and Thunder and rain on a veranda by ezwa (via PDSounds) (Public domain)

Ambience

Bank queue
large crowd, medium distance (stereo) by eguobyte (original on Freesound, CC0 copy on Commons) (CC0 1.0);Resident air-conditioned out door unit by Ranch9613 (CC0 1.0)
Busy street
High traffic road sounds by IgnasD (CC0 1.0);large crowd, medium distance (stereo) by eguobyte (original on Freesound, CC0 copy on Commons) (CC0 1.0);Car Sound Effects Pack (Low Quality) by GGBotNet (CC0 1.0);Motorbike 1 and Motorbike 4 by ezwa (via PDSounds) (Public domain)
Church (organ, far off)
Hartford City Presbyterian Pipe Organ by TwoScarsUp (Public domain)
Danfo engine
Car Sound Effects Pack (Low Quality) by GGBotNet (CC0 1.0);Engine sounds(2) by pauliuw (CC0 1.0)
Frying
Frying fries going in and out of oil by ezwa (via PDSounds) (Public domain)
Generator
Engine sounds(2) by pauliuw (CC0 1.0)
Heavy rain
Rain (1) and Thunder and rain on a veranda by ezwa (via PDSounds) (Public domain)
Keke engine
Car Sound Effects Pack (Low Quality) by GGBotNet (CC0 1.0)
Kettle boiling
Electric kettle and a gastherme by thore (via PDSounds) (Public domain)
Light rain
Rain against the window by cori (via PDSounds) (Public domain)
Market
large crowd, medium distance (stereo) by eguobyte (original on Freesound, CC0 copy on Commons) (CC0 1.0);Audio recording of market activities by Aishatu98 (CC0 1.0);coin sounds by syncopika (CC0 1.0);Motorbike 1 and Motorbike 4 by ezwa (via PDSounds) (Public domain)
Office air conditioning
Resident air-conditioned out door unit by Ranch9613 (CC0 1.0);large crowd, medium distance (stereo) by eguobyte (original on Freesound, CC0 copy on Commons) (CC0 1.0)
Okada engine
Car Sound Effects Pack (Low Quality) by GGBotNet (CC0 1.0)
Plane cabin
Sound of AN-24 airplane by Grachev (ru.wikipedia) (Public domain);Resident air-conditioned out door unit by Ranch9613 (CC0 1.0)
Quiet prayer hall (room tone)
Resident air-conditioned out door unit by Ranch9613 (CC0 1.0);Impact Sounds by Kenney Vleugels (Kenney.nl) (CC0 1.0)

Where they came from

Car Horn by 15HPanska_Ruttner_Jan (original on Freesound, CC0 copy on Commons)
CC0 1.0
Audio recording of market activities by Aishatu98
CC0 1.0
Feel Good Island Loop by AntumDeluge (loop edit of "Feel Good Island" by Brandon Morris)
CC0 1.0 (page offers CC0 or OGA-BY 3.0; used under CC0)
Rain against the window by cori (via PDSounds)
Public domain (as tagged on the Commons file page)
large crowd, medium distance (stereo) by eguobyte (original on Freesound, CC0 copy on Commons)
CC0 1.0
Frying fries going in and out of oil by ezwa (via PDSounds)
Public domain (as tagged on the Commons file page)
Motorbike 1 and Motorbike 4 by ezwa (via PDSounds)
Public domain (as tagged on the Commons file page)
Rain (1) and Thunder and rain on a veranda by ezwa (via PDSounds)
Public domain (as tagged on the Commons file page)
Car Sound Effects Pack (Low Quality) by GGBotNet
CC0 1.0
Sound of AN-24 airplane by Grachev (ru.wikipedia)
Public domain (as tagged on the Commons file page)
Funky Menu Loop by iamoneabe
CC0 1.0
High traffic road sounds by IgnasD
CC0 1.0
Funked Up by Joth
CC0 1.0
Digital Audio by Kenney Vleugels (Kenney.nl)
CC0 1.0
Impact Sounds by Kenney Vleugels (Kenney.nl)
CC0 1.0
Interface Sounds by Kenney Vleugels (Kenney.nl)
CC0 1.0
Music Jingles by Kenney Vleugels (Kenney.nl)
CC0 1.0
RPG Audio by Kenney Vleugels (Kenney.nl)
CC0 1.0
Funky House (Of Far Different Nature & Fupi & Congusbongus) by Of Far Different Nature, mixed with Fupi and congusbongus (posted by glitchart)
CC0 1.0
Lofi Hip Hop Loop by omfgdude
CC0 1.0
Engine sounds(2) by pauliuw
CC0 1.0
Chill lofi inspired [loop edit] by qubodup (loop edit of a track by omfgdude)
CC0 1.0
Resident air-conditioned out door unit by Ranch9613
CC0 1.0
100 CC0 SFX #2 by rubberduck
CC0 1.0
coin sounds by syncopika
CC0 1.0
Electric kettle and a gastherme by thore (via PDSounds)
Public domain (as tagged on the Commons file page)
Hartford City Presbyterian Pipe Organ by TwoScarsUp
Public domain (as tagged on the Commons file page)
Coin Drop by Vinrax
CC0 1.0
Calm Loop by wipics
CC0 1.0

"Public domain" means the file's page on Wikimedia Commons marks it so. Kenney.nl and OpenGameArt.org items are CC0 1.0.

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Sound credits

📻 Music on the radio

Sound effects

Ambience

Where they came from

Music on the radio