Bat created by https://kimbulworks.itch.io/
Links for the future..
- A simple background, https://askariot.itch.io/vector-parallax-background-spring
- Pretty sky-backgrounds, https://free-game-assets.itch.io/free-sky-with-clouds-background-pixel-art-set
- Cute bat character with animations, https://kimbulworks.itch.io/bat
- Another bat character, with animations and two colors, https://pop-shop-packs.itch.io/cave-bat-pixel-asset-pack