Ummmm...any-damn-way...I think it's a little soon for you to be complaining. In all honesty, five tests is nothing (there are, what, 40 tests?). Keep taking practice tests and studying what you've gotten wrong. You haven't even begun to encounter all the different question types yet (and I mean the types within the types, not the very broad categories the prep guides and courses teach).
Also, reading explanations doesn't help, in my opinion. You don't need to be told why the answers are right or wrong--you need to figure that out on your own. When I read explanations, my score never went up. When I started marking what I had missed and RE-DOING those, my score DID go up. My advice is not to read explanations until you absolutely cannot figure a question out on your own. Your LR section might have increased from reading explanations, but if you're still making between 156-160, my bet is that you can stand a bit more improvement on this section. Also, doing worse on one section when you do better on other sections somewhat makes sense as the June 04 LSAT test-takers can attest to--LSAC will make some sections a bit harder to compensate for the ease of others.
I was also never able to finish the Games, no matter what I did. The LGB is not the God of Games...meaning it won't solve all problems the way many think it will. Right now, you've only taken 5 practice tests. Keep taking practice tests because the best way to get faster at Games is repetition. Still, after taking almost all the LSAC's tests, I was never able to complete 4 Games (maybe 3 and 1/2 of them, on a good day). If you get to a point where you've taken many practice tests and are still not able to finish the Games, then I think you will have to do what I did--accept you're not going to finish Games and work hard to strengthen your performance in other areas of the test. Personally, I found that as long as I kicked @ss on the LR and RC sections, how many I missed on Games kind of didn't matter since LR counts the most (assuming I missed about 7-9 on Games and no more than that). Simply compensate.