Sound List

https://www.freesfx.co.uk/

https://pixabay.com/ko/

www.cafofomusic.com → Interface and Item Sounds

3D Model List

Cloud : www.animmal.studio → KUBIKOS - 3D Cube World

Cube : www.brainbox3d.com → Puzzle Cubes / Low Poly

AirCraft : www.mayr-design.com/ → FREE Aircraft Pack

SkyBox : www.borodar.com → Farland Skies - Simple Cumulus

Portal : www.artstation.com/artist/rdr → 15 - Fantasy Portal