Textures made by me (Deases) in libresprite, sounds taken from various free sources, the core made by AI with small tweaks by me, all built-in weapons are fully made by me
Sound sources:
-freesound.org (All are CC0)

S: Inserting a rocket into an RPG-7 rocket launcher; full sequence by serøutōnin--deprivəd | License: Creative Commons 0
S: Machine gun and Rocket Assault.mp3 by waxsocks | License: Creative Commons 0
S: explosion2.wav by IdkMrGarcia | License: Creative Commons 0
S: Shotgun reload sfx by lumikon | License: Creative Commons 0
S: Remington.wav by seanmorrissey96 | License: Attribution NonCommercial 4.0
S: Sniper Fire.flac by qubodup | License: Creative Commons 0
S: awp reload sound.mp3 by GFL7 | License: Creative Commons 0
S: AK-47 assault rifle being cocked 3x by serøutōnin--deprivəd | License: Creative Commons 0
S: AK-47 Assault Rifle being unloaded and reloaded by serøutōnin--deprivəd | License: Creative Commons 0
S: Magnum Research Desert Eagle by areniporgen | License: Creative Commons 0
S: Desert Eagle Gunshot by elliotlp | License: Creative Commons 0
S: Desert Eagle Reload [Air Soft].mp3 by TheRichardGamer | License: Creative Commons 0
S: CLICK_47.wav by Jaszunio15 | License: Creative Commons 0
S: AK47 Shot by LeMudCrab | License: Creative Commons 0