Concept Art

The Concept Art in Child of Eden is an extra unlockable feature. Each Archive (excluding Hope ) has 12 unlockable Art pieces, with a total of 60 Art pieces (12 × 5).

Unlocking Concept Art
To unlock Concept Art, you must complete challenges in each Archive. 10 challenges are shared, and 2 are unique.

Shared Challenges

 * Clear the Archive.
 * Clear the Archive with 80% purification or more.
 * Clear the Archive with 90% purification or more.
 * Clear the Archive with 100% purification.
 * Achieve more than 20 Perfect Octa-Locks.
 * Achieve more than 50 Perfect Octa-Locks.
 * Achieve more than 10 consecutive Perfect Octa-Locks.
 * Collect all s.
 * Complete the Archive without sustaining any damage.
 * Clear the Archive with a 5 Star Clear Rank.

Matrix

 * Purify all Worm enemies in the Matrix Area 3 Music Box battle.
 * Purify all enemies in the Matrix Area 4 Speedway.