Planning a gaming setup in limited space starts with choosing a desk 100 to 120...

https://spark-wiki.win/index.php/Screen_Directly_in_Front_vs_Angled_Monitor_for_Gaming_Comfort

Planning a gaming setup in limited space starts with choosing a desk 100 to 120 centimetres wide to fit your essentials without crowding. Use a monitor arm to free up surface area and keep screens adjustable