In most official games, these galleries are locked behind progression walls. You must complete specific missions, achieve S-rank on all difficulty levels, or collect hidden "Wings of Freedom" emblems. For casual players or those who have already finished the story but can’t 100% the game, this process can take over 50 hours.
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CertUtil -hashfile "AOT_Gallery_Unlocker.zip" SHA256 In most official games, these galleries are locked