This is a genre of anime which features mechanical fighting machines. Often these take the form of giant robots but this isn't the only form mecha can take. There are tons of examples of mecha titles considering the popularity of the series. Blue Gender, Shin Seiki Evangelion, Tenkuu no Escaflowne, and Bubblegum Crisis Tokyo 2040 are all classic mecha titles.
Titles of this category should cover the events of a war as significant element of the storyline (even if the actual conflict doesn't get that much airtime). The opponents should be nations at least (alien races, star systems, parallel universes etc. are fine as well); conflicts between smaller organisations would rather be categorized as "fighting".
An example for a real-world war would be Hotaru no Haka, a fantasy war would be Lodoss Tou Senki (OAV), a SF war would be Saishu Heiki Kanojo.
Titles that contain characters who suffer from depression would fall into this category if this is of significant importance for the storyline.
| Title | Rating | Synopsis |
|---|---|---|
| S | ||
| Saikano | Buy | See Saishu Heiki Kanojo |
 Saishu Heiki Kanojo |
Buy | Life could be wonderful for 17-year-old highschooler Shuuji - only a week ago his cute little classmate Chise confessed her feelings to him, and after some problems they now appear to get along well. But then war strikes Japan and Chise agrees to have her body turned into the Ultimate Weapon. With the world around them falling apart, can they keep on loving each other while Chise becomes less human with time and their friends die one by one? |
| She, the Ultimate Weapon | Buy | See Saishu Heiki Kanojo |
| T | ||
| The Last Love Song On This Little Planet | Buy | See Saishu Heiki Kanojo |
| 最終兵器彼女 | Buy | See Saishu Heiki Kanojo |
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