- For a sortable table, see /Sortable.
Highlight notes:
- Green: Outstanding
- Yellow: Above average
- Since the Luck Stat is difficult to modernize, it is listed as Base(Max).
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- Submarines can only be attacked by destroyers, light cruisers, torpedo cruisers, aviation battleships/cruisers with seaplane bombers, and some light aircraft carriers. In addition, they prioritize attacking submarines first meaning other ships can get away with no damage done to them.
- Submarines are the most resource-efficient class in the game; they cost almost nothing to deploy or repair. Furthermore, they constitute cheap additions towards multiple expeditions that can utilize them.
- Submarines equipped with Kouhyouteki will perform a preemptive torpedo strike before the shelling phase. After reaching level 10, they'll be able to preemptively attack without any equipment at all.
- SSVs have doubled repair time compared to SS. I-58, I-8, I-26, and I-19 turn into SSV after remodelling. I-168, U-511 and Maruyu do not turn into SSV after remodelling, so they can always be remodeled without worrying about increased repair times.