If anyone can find evidence that TGM Secret GM has been accomplished in the past, I would really love it! I've tried searching or asking Japanese players, but information is scarce. The same would go for any information on historical TAP/TI Secret GM completions. There have been a handful of TI World Secret GM videos in the past (Arika promo video and other players on Nicovideo), but I wasn't able to find any information about TI Classic Secret GM before I accomplished it. When SKH accomplished it, he also was not sure of any others. Oliver and Oshisaure have also since accomplished it. Similarly, I was not able to find any information online about TAP Secret GM when before I accomplished it. Searching for information about TGM Secret GM has yielded only players speculating about whether it is possible or exists, but nothing conclusive about it having been done in the past. It's totally plausible that it _has_ happened, but no one has heard of it happening that I've seen thus far -- no videos, no photos, no stories, just mystery.