What Is ELI5 mobile games, how are so many games just blatant rip offs of prior games (IE the bevy of match 3 jewel games) and not getting sued into oblivion due to copyright infringement

Why Copyright Doesn't Protect Game Mechanics

Copyright law protects specific creative works—your code, artwork, music, and story—but it does not protect the concept or mechanics of a game. "Match three jewels to score points" is a game mechanic that anyone can implement differently. This is why thousands of puzzle games exist without lawsuits.

The Legal Distinction: Idea vs. Expression

Copyright covers expression (your specific implementation), not ideas (the concept itself). Two different programmers writing match-3 games create different code, different graphics, and different experiences. Even if both games play identically, they're legally distinct because each is an independent creative expression. Copyright law explicitly distinguishes between the abstract idea and its particular expression.

Why Patents Don't Protect Mobile Games

Patents theoretically protect game mechanics, but they're expensive ($5,000-$15,000+) and rarely enforced in mobile gaming due to high litigation costs. A patent protecting "match-3 mechanics" could exist, but proving infringement and fighting in court costs more than most mobile games earn. Major publishers like King Digital Entertainment have patented mechanics, but enforcement is selective.

The "Prior Art" Problem

Many game mechanics existed decades before being implemented digitally. Match-3 derives from games like Bejeweled (2001), which wasn't the first puzzle concept. If a mechanic existed in any form before patent filing, it may lack patent validity. Suing based on this is legally risky and financially impractical for casual games.

Market Realities

The mobile game market thrives on iteration and variation. Publishers invest in marketing, user experience, and visual design rather than novel mechanics. Players choose games based on aesthetics, feel, and social features—not mechanical novelty. This ecosystem is economically sustainable because copying is cheaper than innovation, but differentiation through design attracts audiences.

When Lawsuits Actually Happen

Copyright lawsuits occur when actual assets are stolen—using another game's code, art, music, or character designs. King Digital Entertainment sued Hangman Studios for copying graphics and gameplay directly from Candy Crush. Lawsuits rarely succeed on mechanics alone but do succeed on copied assets.