Planning a gaming setup in a small space means picking a desk about 100 to 120...

https://seo.edu.rs/blog/how-much-space-do-i-need-just-to-sit-comfortably-at-my-desk-11216

Planning a gaming setup in a small space means picking a desk about 100 to 120 centimetres wide for comfort without crowding. Use a monitor arm to free up desk space and keep the screen at eye level