Instinctive Drives is the most impressive personality tests I have come across (and I have done quite a few).
What I find so appealing wit the I.D. assessment is that is going in depth on why you have behave in certain ways, what motivates you, what are your instinctive drives, and then gives you practical and [...]

The Myers Briggs Type Indicator, or simply the MBTI, is one of the most common and widely accepted personality tests on the market.
I’ve done the official test 3 times and various free versions of the test 2-3 times. I’ll share my four letter profile further down.
The objective of the MBTI is to indicate preferred behavior [...]