| english title | Project A-ko Vs. Battles |
| original title | A-Ko the Versus |
| aka | Project A-Ko Versus Battle Grey & Blue |
| year | 1990 |
| country | Japan |
| composer | HONDA Yasunori | |
| TANAKA Kohei | ||
| KAWAI Kenji - 川井憲次 | ||
| scriptwriter | NISHIJIMA Katsuhiko | |
| KAWASAKI Tomoko | ||
| KAWAHARA Yuji | ||
| character designer | MOTOHASHI Hideyuki | |
| NISHIJIMA Katsuhiko | ||
| animation director | MOTOHASHI Hideyuki | |
| original story | NISHIJIMA Katsuhiko | |
| SHIRASAKA Kazumi | ||
| artistic director | NAKAZA Yôji | |
| MIYAMAE Mitsuharu | ||
| mecha designer | HASHIMOTO Takashi | |
| cinematographer | KANEKO Jin | |
| ARAI Takafumi | ||
| storyboarder | MOTOYAMA Yuji |
| duration | 2 OAV |
| animation studio | Studio Fantasia |
