Audio credits

Papaya Drive uses these recordings under Creative Commons Attribution 3.0:

• Car tire squeal skid loop by audible-edge (Tom Haigh), loop edit by qubodup — skid.wav.

The tire recording was converted to mono, 44.1 kHz, 16-bit WAV and crossfaded at the loop boundary. Playback pitch, filtering and volume change with the vehicle during gameplay. These creators do not endorse Papaya Drive.

Engine recordings

Engine and exhaust RPM samples from Vehicle Noise Synthesizer, credited there to Streiter_V12 from Street Shift Game. Distributed with the project's MIT license (copyright 2023 ATG Simulator).

Selected engine samples at 1169–6822 RPM and exhaust samples at 2258–6876 RPM. Converted to mono 44.1 kHz, 16-bit WAV, DC removed, level matched to −14 dBFS RMS, and crossfaded over 10 ms at the loop boundary. Adjacent recordings blend with RPM; throttle blends engine and exhaust perspectives.

Crash effects

These sources are provided under CC0:

• Crash Collision by qubodup, mixed with Metal Impact Sounds (thud2) by Brian MacIntosh (BMacZero) — crash.wav. Mixed, pitch-shifted and limited.
• Glass Break by Till Behrend, submitted by TinyWorlds — glass.wav.

Converted to mono, 44.1 kHz, 16-bit WAV. Crash playback volume, pitch and filtering vary with impact strength.

Wood impacts

Impact: Wood - Hitting Blocks recorded by Sheyvan, released under CC0. Three excerpts were slowed, filtered and level matched for crate and barrel clunks. Source and edit details.

Environment

Island breeze, surf and bird calls are synthesized locally for Papaya Drive.

Jungle ambience — recording supplied by Einar; © Epidemic Sound.

Jetty ambience — harbor recording supplied by Einar; © Epidemic Sound.

Ridge Trail forest, riverside grove and river ambience — recordings supplied by Einar; © Epidemic Sound.

Background music

“Tropical Drive” — supplied by Einar for the Palm Cove map.

“Cozy Drive” — audio file supplied by Einar.

“City Night Loop” — audio file supplied by Einar.