Assassin's Creed Odyssey is a massive game. With the base game, all DLCs (Legacy of the First Blade, Fate of Atlantis), and high-resolution textures, the original installation size can exceed 100GB.
Highly compressed data is fragile. If a single archive block is corrupted during download, the entire installation will fail.
Significant reduction in file size (often from ~110GB down to ~45-60GB depending on the repacker).
While the repack itself is compressed, the final game's system requirements are the same as the original. Here are the for a smooth experience at 1080p / 60 FPS on high settings:
A proper 1.5.6 repack typically includes the base game along with all post-launch downloadable content (DLC) and updates. When downloading a comprehensive repack, players generally look for the inclusion of the following content:
