Collections and set completion

Hollow Knight: a collection displays acquired charms and empty positions for missing finds.An acquired charm fills its collection slotAn empty position represents an undiscovered object
Hollow KnightFound charms and empty spaces
  1. An acquired charm fills its collection slot
  2. An empty position represents an undiscovered object
© Team Cherry · Source ↗

Found objects fill a visible set. Gaps show what remains to discover and turn individual rewards into a long-term goal.

Design tips

  • Make the set’s size and collection rules clear.
  • Suggest a search direction without necessarily revealing the reward.

Examples