You do not need to become equally expert in every possible Solve task. The priority is understanding the mechanics and decision logic of the game types you are most likely to encounter, then building enough flexibility for unfamiliar variations.

Use practice to learn how information is presented, how to compare options, and how to avoid wasting time on unnecessary checks. Those skills transfer better than memorizing a specific scenario.

If prep time is limited, depth on the major formats plus familiarity with the others is usually more useful than shallow repetition across everything. If useful, this guide on McKinsey Solve guide gives more detail.