Experts Global Practice Tests

Experts Global Practice Tests are great. They provide actual GMAT experience. The quality of questions, difficulty level, mock test interface, and pool of questions are very much aligned with actual GMAT. Also, the detailed ESR generated after each test provides great insights of individual strengths and weakness.
GMAT shots act as a great appetizer during each study session. They are also a great way to revise concepts in short period or to study in between commute.
One recommendation is to give more insights on the impact of adaptiveness on individual performance. How the adaptivenss feature is affecting the score of individual varying from one test to another.