Thank you!
For AI song creation, check out Suno AI. Free account gets 10 songs credits a day. They used to have an AI to help with lyrics creation but now it's up to you. So go to ChatGPT 4o (free 😊), give it a gist of your game or the subject you want. If there's specific areas you want to be covered, let it know too. You get lyrics out instantly. Then cut & paste the lyrics into Suno. Voila! You get personalized soundtrack for your game.