modder
nounUK /ˈmɒd.ər/
US /ˈmɑː.dɚ/
A modder is a person who changes a game or program to make it different or more fun.
The modder added new cars and tracks to the racing game.
OTHER MEANINGS
2. Someone who modifies physical objects, such as consoles or computers, to add new features.
He is a console modder who installs custom lights and cooling fans.
3. A person who creates and shares modifications for a specific game community.
The modder released a popular texture pack for the community.
4. A hobbyist who alters hardware or software for personal use or experimentation.
As a modder, she enjoys tweaking old gadgets to give them new life.