Here is a list of articles by Game UX designer Maria Meireles; you will find several case studies. Below, you can discover a selection of her articles.
Doom Slayer UX
Analysing the onboarding experience for new players in Doom Eternal

The Enjoyable Illusion of User Control and Freedom
Exploring Nielsen’s Heuristic with a game that allows you to rewrite the rules

Applying Usability Heuristics to Animal Crossing: New Horizons
Exploring how New Horizons prevents errors through the lens of the 10 usability heuristics

Applying Usability Heuristics to Her Story
Exploring the alignment between in-game systems and the real world

Mass Effect: How to Indoctrinate Users with UX Consistency
How the Mass Effect trilogy makes use of the fourth UX heuristic: consistency and standards

Applying Usability Heuristics to The Witcher 3: Wild Hunt
A UX case study focused on the visibility of status

A UX Analysis of Cyberpunk 2077’s HUD
Finding a balance between visual flair and effective communication

A UX Analysis of Xbox Passkey
Making account access easier for the user

A UX Analysis of Cabaret Club Czar, Yakuza 0’s Game Within A Game
The second and final part of a two part series exploring UX approach, issues, and recommendations

A UX Analysis of Real Estate Royale, Yakuza 0’s Game Within A Game
The first of a two part series exploring UX approach, issues, and recommendations
