Improved the global pulse effect.
Added an isometric oval shockwave that spreads from the center island.
Global pulse damage now affects only tiles reached by the shockwave.
Fixed island resets so only fully claimed islands are reset.
Adjusted Archipelago XP and island expansion balance.
Slowed late-game island unlock progression.
Fixed save loading and island layout issues.
Added missing localization entries and synchronized language keys.
Updated the game version to 1.2.1.