"Heliconia flower" by "Poly by Google"
is licenced under CC-BY 3.0

"Knights Character Kit" by "Jacques Fourie"
is licenced under CC-BY 3.0

"Bazooka" by "CreativeTrio"
is licenced under CC0 1.0

"Submachine Gun" by "Quaternius"
is licenced under CC0 1.0

"Scifi Pistol" by "Quaternius"
is licenced under CC0 1.0

"Scifi Smg" by "Quaternius"
is licenced under CC0 1.0

"Power Gun" by "Dheeraj Dolce"
is licenced under CC-BY 3.0