Planning a gaming setup in limited space starts with choosing a desk around 100...
https://web-wiki.win/index.php/How_to_Keep_a_Gaming_Setup_from_Looking_Like_a_Gaming_Room
Planning a gaming setup in limited space starts with choosing a desk around 100 to 120 centimetres wide to fit your gear without crowding. Use a monitor arm to free up desk space and keep your screen at eye level