Aekashics/Ækashics Librariumstatic Battlers (Monster Sprite)
http://www.akashics.moe/terms-of-use/

Luis Zuno @ansimuz Space Ship Shooter Environment (Stage Background)
http://ansimuz.com/site/

Finalbossblues Pixel Shooter and Towers Asset Pack (Coin Sprites Sheet)
https://finalbossblues.itch.io/pixel-shooter-towers-asset-pack

Clint Bellanger Fireball Spell (Bullet Sprites Sheet)
https://opengameart.org/content/fireball-spell

Shikashiassets Shikashi's Fantasy Icons Pack (Game UI Icons)
https://shikashiassets.itch.io/shikashis-fantasy-icons-pack

AShamaluevMusic Epic Battle Trailer - AShamaluevMusic (mainmenubgm)
Epic Orchestral Trailer - AShamaluevMusic (normalstagebossbgm)
01. Epic Trailer (battlebgm1)
Action Trailer - AShamaluevMusic (bossstagebgm)
https://soundcloud.com/ashamaluevmusic/sets/music-for-gaming-videos

LiamG_SFX Fireball Cast 1 (bullet Shooting sound effect)
https://freesound.org/people/LiamG_SFX/sounds/334234/

HighPixel Fireball Explosion (bullet hit sound effect)
https://freesound.org/people/HighPixel/sounds/431174/ ​

Kevin MacLeod Darkling (Odin Challenge BGM)
https://filmmusic.io / https://incompetech.com Licence: CC BY (http://creativecommons.org/licenses/by/4.0/)

Logout Icon
https://pngtree.com/free-icon/logout_1185635

Appzgear Lock Icon
https://www.flaticon.com/free-icon/lock-icon_26053

xnimrodx Login Icon
https://www.flaticon.com/free-icon/login_1669850#term=login&page=1&position=40

Kisspng Offline Icon
https://www.kisspng.com/png-computer-icons-online-and-offline-curved-line-950127/preview.html

Digital Buddha Play Button Free Vector and PNG
https://pngtree.com/freepng/play-button_3550531.html

chittagongit Tutorial Icon Png #86865
http://chittagongit.com/icon/tutorial-icon-png-12.html

@ Ceccuz Settlement Registration Free Icon
https://www.onlinewebfonts.com/icon/266902

Freepik Go back arrow free icon
https://www.flaticon.com/free-icon/go-back-arrow_13964