It is notoriously difficult to cheat on. Your cultural background and language skills don't matter; only your raw logic does.
Preparing for this assessment can feel daunting since it is strictly timed, but structured practice is the most effective way to improve your pattern recognition speed and accuracy. Understanding the Matrigma Format Adaptive vs. Classic : The most common version is the Adaptive Matrigma Matrigma Assessment Practice Test -FREE-
Criterion (who owns the Matrigma) offers a with 5 sample questions. While not a full test, this is the only place to see the exact visual style and question layout. It is notoriously difficult to cheat on