Try4ce's Game Collection
Unfinished - No significant accomplishments.
Beaten - The main portion or objective of the game has been completed. Usually marked by the defeat of a final boss and/or viewing of the credits.
Completed - Games are considered completed when they meet the following requirements (where applicable):
-Overall game completion percentage is maxed out
-All extras are acquired
-Every game mode is finished
-Beaten on the hardest difficulty level
-Optional levels/dungeons and bosses are beaten
-Best ending viewed
-All major item-based upgrades are collected
-Minor lists not tied to unlockables or game completion % are irrelevant
Mastered - A personal challenge designed to be extremely tough, usually beyond the scope of built-in gameplay difficulty. Games must be Completed before they can be Mastered.