Here are examples of some game logic that I implemented

https://www.youtube.com/watch?v=OXeLdbWEHB0
I love to implement procedural logic, here we generate space base. We connect pods, each pod has legs and doors, and they are connected by pipes.
https://www.youtube.com/watch?v=97Q8lRCZQWA
Here is purely procedural animation for a big robot
https://www.youtube.com/watch?v=mCzn1fuMUSI
I love survival games, so this was my first attempt to create coop zombie survival game.
https://www.youtube.com/watch?v=rxmaIsMG7xU
Here I implemented server rewind logic, it may be useful for cyber sport disciplines. On backend we store last n seconds of player positions in the world, this way we can some conflicts that may happen due too network lag