So I remade classic Slime Volleyball in Unity a while back. I trained the AI with Reinforcement Learning from self play. It turned out pretty decent. Give it a try! : r/IndieGaming
How Slime Volleyball Became a Cult Classic - YouTube
www.coolslimegames.com - Home
Slime Volleyball
GitHub - hardmaru/slimevolleygym: A simple OpenAI Gym environment for single and multi-agent reinforcement learning