Expand the Lily Rank system. Instead of just combat bonuses, high Lily Ranks could allow characters to "Collab" on Chirper, granting global buffs to Shares based on how "viral" their friendship goes in-game.
To get the True Ending , you need to ensure each nation's Shares are at 20% or higher before the final boss. Hyperdimension-Neptunia-Re-Birth1.rar
During dungeons, random "patches" can occur. For example, a "Buff Patch" might double your damage but turn all items into micro-transaction "Gacha Boxes" that require in-game Shares to open. Expand the Lily Rank system
Since the game is a satire of the video game industry, a unique "modern" feature could be a . Feature Idea: The "Season Pass" Reality Warper During dungeons, random "patches" can occur
Since you mentioned the .rar file format, an "Unpacker" mechanic could allow you to find "compressed" data shards in dungeons. Unpacking them would reveal "Legacy Content"—moves or equipment from the original PlayStation 3 version of the game that were changed in the Re;Birth1 remake . Quick Tips for Re;Birth1 Players