効果音ラボ
https://soundeffect-lab.info/
シンプルカクカクなフキダシ素材その1 (フキダシデザイン)
https://fukidesign.com/e0721/
風船 (ぴぽや)
http://blog.pipoya.net/blog-entry-406.html
ずんだもち (blueberry(ニコニ・コモンズ))
http://commons.nicovideo.jp/material/nc133051
りんご/毒りんご/草原/紙芝居フレーム/三日月/星 (いらすとや)
https://www.irasutoya.com/
へんてこモンスター素材セット (POPODOT)
https://booth.pm/ja/items/418116
【AssetsStore】
Retro Tileset 01: Island
https://assetstore.unity.com/packages/2d/environments/retro-tileset-01-island-55330
Pixel Hero Vol.2
https://assetstore.unity.com/packages/2d/environments/pixel-hero-vol-2-43015
2D Pixel Item Asset Pack
https://assetstore.unity.com/packages/2d/gui/icons/2d-pixel-item-asset-pack-99645
Pixel Cartoon Effects
https://assetstore.unity.com/packages/2d/textures-materials/pixel-cartoon-effects-129993
Forest - Pixel Art
https://assetstore.unity.com/packages/2d/environments/forest-pixel-art-108120
2D Metroidvania Tileset 16x16
https://assetstore.unity.com/packages/2d/textures-materials/2d-metroidvania-tileset-16x16-131908
Cartoon Effects Energy Electric Flame Smoke Fire Stylized Sprites
https://assetstore.unity.com/packages/2d/textures-materials/cartoon-effects-energy-electric-flame-smoke-fire-stylized-sprite-130042
nGarden Retro SF UI Pack
https://assetstore.unity.com/packages/2d/gui/ngarden-retro-sf-ui-pack-145418
Pixel Fantasy Castle
https://assetstore.unity.com/packages/2d/environments/pixel-fantasy-castle-156651
