ahhh, okaaay i will gave u the games so far sorry!
Here is the links:
i didn't mean to be rude, and i think that the games will look more harmonic if you create your own models
that's a very good, free animation, modeling and physics simulation software i use.
anyways, i don't know how to use unity or unreal, so yeah, that's much better than what i can make, i just made some simple games on blender
but i'm thinking 'bout installing unreal on my good laptop