Hello, I will show you example of previous work similar to what you want :),
I know about Horror, Shooting, RBG, Puzzles, Memory and fighting games concepts and a lot more.
I can Help you With Creating the game/levels you want, I did a lot of 2d/3d games(I am new here), I can also design and edit the game documentation As I already did a lot of documentations out there.
I'm Certified as A Game designer, Game Developer (Unity3D), advanced Android Developer " nanodegree".
I'm professional in Maya, Unity, Photoshop, Adobe XD, Android Studio and much more.
*can work with all the programs combined to output a beautiful Scene/games.
*can give you the work as fast as possible with 100% Revisions until satisfy.
*can work more than 12 hours a day.
*can design/edit pictures, models, Audios as I got experiences in those fields With " Autodesk Maya, Photoshop, Adobe Audition".
*Though I am new here but you won't regret giving me the job(I can show you some of my previous work).
We can discuss more about the the price and maybe will do a long Relation!