Developed by https://repl.it/@parameterized

Graphics:

playerSheet: https://rvros.itch.io/animated-pixel-hero
Background (sky, mountains, clouds): https://free-game-assets.itch.io/free-horizontal-game-backgrounds
coinSheet: https://www.gamedevmarket.net/asset/game-collectable-pack-pixelart/

Music/Sound:

select: https://freesound.org/people/Leszek_Szary/sounds/146721/
jump: https://freesound.org/people/Leszek_Szary/sounds/146726/
dash: https://freesound.org/people/Leszek_Szary/sounds/191592/
grapple: https://freesound.org/people/Leszek_Szary/sounds/171521/
teleport: https://freesound.org/people/Leszek_Szary/sounds/172206/
treeChop: https://freesound.org/people/dheming/sounds/240980/
treeFall: https://freesound.org/people/speedygonzo/sounds/257652/
dirt: https://freesound.org/people/dr19/sounds/353907/
rock: https://freesound.org/people/damsur/sounds/443243/
gold: https://freesound.org/people/FullMetalJedi/sounds/427784/
anvil: https://freesound.org/people/MrAuralization/sounds/274846/
forestAmbience: https://freesound.org/people/bajko/sounds/385279/
caveAmbience: https://freesound.org/people/blaukreuz/sounds/79707/
wind: https://freesound.org/people/Fabrizio84/sounds/457667/