24 December 2013

Normal maintenance (0230-1100 JST)
1. Christmas 2013 Event commences
-New sortie quest added to obtain Iona and unlock event maps
2. 4 new ships added: I-401 (as Iona during Christmas 2013 event), Akitsu Maru, Maru-yu, Taihou
3. Large ship construction feature implemented
-Yamato, Taihou, Agano-class CL, Mikuma, Akitsu Maru, and Maru-yu craftable using this feature.
-Several normal craftable ships are also craftable in this feature
-New quest added to unlock this feature
4. Nagato, Kiso, and Naka get special Christmas voice lines. In addition, Naka gets special Christmas sprite
5. Maximum dock space increased +10 (from 170 to 180)
6. New glossary page added for ship no. 151-200
7. New Christmas furniture added, delivered after login between 24-25 December 2013

Additional online maintenance (1430-1730 JST)
1. Enemy submarine added in map 1-4
2. Bug fix in glossary display