Simply copying the save file folder to another location on your computer or an external drive is enough. When you need to restore, you can copy the files back to their original location.
A: No. Ubisoft does not lock achievements behind save integrity. You will retroactively pop achievements when the game detects completed objectives. ac3 remastered save file
If you're having trouble getting a specific save to work, let me know: Which are you on? Are you getting a "Corrupted Data" error or an empty slot ? Simply copying the save file folder to another
| Save File Type | Location in Game | Key Unlocks | | :--- | :--- | :--- | | | Start of Sequence 04 | All Haytham missions complete. Level 1 gear. | | 100% Main Story | Post-Credits (Sequence 12) | All main missions full sync. Connor’s endgame outfit. | | 100% Completionist | Post-Game (Free Roam) | 100% sync (main + side quests). All weapons, all Homestead recipes, Peg Leg trinkets. | | Tyranny of DLC Starter | DLC Episode 1 | Unlocked via main menu. Requires a save that finished Sequence 09. | | Liberation Remastered Full | End of AC: Liberation | All costumes (including Slave Hood outfit) unlocked. | Ubisoft does not lock achievements behind save integrity
Here’s where confusion peaks. AC3 Remastered is not a direct patch of the original game—it’s a separate build running on an upgraded AnvilNext engine. The file structure, checksums, and even the internal serialization differ. Attempting to force-load an old save usually results in a “corrupted data” error.