Planning a gaming setup in limited space means choosing a desk about 100 to 120...

https://star-wiki.win/index.php/Lighting_Ideas_That_Don%E2%80%99t_Take_Floor_Space_For_A_Gaming_Setup

Planning a gaming setup in limited space means choosing a desk about 100 to 120 centimetres wide to fit your essentials without crowding. Use a monitor arm to free up surface area for your keyboard and mouse