I feel like the most common pattern is a simple linear game as the test takers are trying to warm you up to the games section? However I don't believe there is any set type of game they must put first.
Age is just a number and comparison is the thief of joy. Nobody's journey is linear and you're allowed to change and grow for your whole life! I'm 33 and studying for the LSAT - ur good.
Numerical progress is not perfectly linear since different concepts are tested at different difficulties on each PT. Go by fluctuations in the mean/quartiles of your last five exams to see if youre making progress. And keep on truckin'.