I can give you some general considerations and tips on how speedrunners usually approach the process of choosing and running a game. Choose a game that you like. It is important to choose a game that you really enjoy playing. Speedrunning requires a significant investment of time, so it is important that the game is fun and enjoyable for you. Familiarize yourself with the game.If you have not played the game before, it is recommended to spend some time on the regular game to familiarize yourself with its mechanics, levels and possible glitches or omissions that can be useful for speedrunning. Watch speedrunning videos.To better understand the technique and strategy of speedrunning in your chosen game, it's helpful to watch videos with experienced runners. Analyze their routes, running techniques and optimization to learn from their experience. I wonder if there are speedruns on casinos? hahaha, on this site I would speedrun https://bookofragame.com/en/ .