Metroid Prime’s endgame requires collecting twelve Chozo Artifacts hidden across Tallon IV — a scavenger hunt that takes place after the player has already explored most of the game and which the game hints at through Lore scans rather than explicit markers. The artifacts are not listed in the inventory until the first one is collected.
The artifact locations span every major zone in the game, requiring revisits to areas completed much earlier with new abilities. Several artifacts are in rooms that are only accessible with late-game upgrades, meaning the hunt cannot be completed before the player has the full moveset — it is structurally designed as a closing loop rather than a concurrent collection.
The Artifact Temple, where the artifacts are placed, is visible early in the game as an empty structure with twelve altars. Players who read the Chozo lore scans understand what the temple is for before they have any artifacts. Players who skip lore scans reach the temple at endgame with no context for why they are filling it.
Retro Studios designed the artifact hunt as a tribute to Metroid’s exploration ethos: the game does not end when the final boss is reachable, it ends when the world has been understood. Collecting all artifacts requires demonstrating mastery of every zone. The temple is the exam; the artifacts are the answers.
Stumbled across this on a late-night session and couldn’t believe it. Your explanation finally made it click.
The attention to detail the developers put into this is insane. Most players will never see it but it makes the world feel so much richer.