I'm not sure I agree with M12 having a bad soundtrack, this hypes me up every time. the drone AI is annoying though, I agree with you there, but not so annoying that it took away much of my enjoyment.

I'd disagree that all the mobs fly in a straight line, on Ace even the most basic enemies can be tricky and will usually dodge your missiles unless you time them right. i haven't played 4 unfortunately, and have only played through 5 twice so can't judge the missions very well. I'll definitely make one for Zero as it's my favourite in the series. I wonder how many times have you played the game because playing mission 10 for the 3rd time was pure suffering. The rest of the S-tiers (11, 15, 19) I agree with.ДЄny mission with a gimmick or annoyingly long wait times or shitty UAVs is automatically a D for me, maybe a C if theres at least something to fight. Godly music aside, the bunker busting part is an annoying gimmick. I also dont agree with mission 13 being S-tier. Mission 12 is just a scripted mess and it doesnt have the music to step foot in S-tier (S-tier needs to be perfect in every sense). If we stick to no comparison to other AC games, mission 18 is definitely an S, the music in the first part is really underrated and the whole mission overall has this atmosphere which we never had in an AC game before. Neither of the two help the game be any enjoyable.

There are 2 kinds of AI in the game: hypermanouverable or scripted UAVs/bosses, and mobs that literally fly in a straight line. If we ignore the story and the characters, what 7 still doesnt do well is the AI. Tbh I think none of the missions in 7 come close to the true S-tier missions from 04 (Comona, Bunker shot, Stonehenge, Emancipation, Farbanti). Can you make one for AC04 as well? And maybe 5 and Zero would also be cool.

Ace combat 7 mission 5