UA: Empire of the Pacific
- Science from acquiring sea tiles now science from acquiring lake, coast, and ocean tiles. Lakes are included due to how they are coded in civ 5.
- Science is now a constant 30, scaling with era. Increases to 45 when conquering or citadeling another player. The Science from JFD's version is 1 tile = 1 turn of Science, increasing to 2 turns when conquering.
- Removed +50% naval unit production in conquered city.
- Added +2 Science and Production on Coastal Buildings (to have a peace time bonus, and as a parallel to Oda's building bonuses). These are the Lighthouse, Harbour, Seaport, and Minefield. If Enlightenment Era is installed, also affects Drydock.
- Added naval units gain +20% combat strength when attacking (fits with their decisive battle naval doctrine).
UB: Dojo (replaces Armory)
- Shared with Oda Nobunaga's Japan.
- Promotions now granted to naval melee units. This also affects Oda Nobunaga.
UU: Yamato (replaces Battleship)
- Removed ability to carry 1 air unit (was buggy as it never disallowed bombers correctly).
- Added Armor Plating I (+25% Combat Strength when defending).
- Removed 100% bonus against cities.
- Added Type 94 Naval Guns (+25% Ranged Combat Strength, +1 Range).
- Now has a faith cost (for Spains UA, just in case).
- Removed city bombard AI type (no longer has a bonus vs cities).
- Removed Carrier flavors for AI.
- Increased AI flavor values by 2.
- 15 more combat strength and 5 more ranged combat strength compared to Battleships.
UB: Kabuki Theatre (replaces Opera House with More UCs)
- Unchanged.
UU: Kagero (replaces Destroyer with More UCs)
- Type 93 Torpedoes (+50% Combat Strengh when attacking units) (includes a custom set of attack animations; do check it out!).
- Does not require strategic resources.
Decision: Adopt the Kantai Kesssen
- Now +1 moves and +1 sight for all naval units at all times (not just when garrisoned)(naval ranged cant fire when garrisoned in VP).
Decision: Modernise the Imperial Air Services
- Reworked from 'Modernise the Japanese Navy'.
- Fighter units gain +25% combat strength.
- Two free sources of oil.
- The idea is that Tojo can have some of the bonuses Zeroes would have provided as a UU.
- Cost 100 Gold, scaling with era and game speed.
Event: Emperor's Summon
- Requires Medieval Era.
- Requires 100 Golden Age Points, scaling with era, for the event to fire.
Event: Divided Military
- Requires Medieval Era.
- Requires 200 Gold, scaling with era, to fire.
- Choice 1: Lose your capital's garrison.
- Choice 1: Requires garrison in capital.
- Choice 2: Lose 100 Gold, scaling with era.
- Choice 2: All military land units gain 15 XP.
- Choice 3: 4 rebel units spawn in the capital.
- Choice 3: Lose 200 Gold, scaling with era.
- Choice 3: 4 turns of resistance in capital.
- Choice 3: Free social policy.
Misc
- Yamato promotion and UA promotion now shows up under the naval promotions category in civilopedia.
- Removed changes to Oda Nobunaga.