Hi, thank you for your interest and kind words! The assets in this pack, as well as in the 2D Dark Forest and 2D Graveyard packs, are provided in PNG format. After purchase, you can use the assets in both commercial and non-commercial projects, and you can modify them if needed. Reselling the assets, either as-is or modified, is prohibited.
I hope this information is helpful! Let me know if you have any other questions. 😊