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Hidden City Wiki
Note: This wiki is maintained by fans of the game, and is not affiliated with G5 Entertainment. If you are experiencing technical issues with the game itself, please contact customer support.


TDD Event 2021.png

The "Treasure of Dark Depths" event lasts from 6 of September - 30 of September and is the ninth event of the year.

Table of Contents
Various Goals, Tasks and Information

Event Entry Item[]

"Ring of Enlightenment" is the special event item that is needed to enter the Crystal Mine‎ during the "Treasure of Dark Depths" event.

Found in all City locations (Main and Upper) and all mini-games.

Ring of Enlightenment.png


Event Goals[]

  • Collect 150 Poison Green Gems in the Crystal Mine and earn the Salamander Amulet
    • 30% Chance of more collection items in Silhouette Mode and also gives 1 coin per red crystal removed
  • Complete the Call of the City Dungeons story to Beacon Tower or players can upgrade an existing one
  • Get to Master/Rank VI to earn special avatars


Post-Case Event Goals[]

  • Collect 3000 Rings of Enlightenment to earn the Treasure from the Mine chest:
    • Inside Chest: 3 Lunar Lenses, 2 Bombs, 3 Detectors and 5 Amulets of Change
  • Find 2750 Search Items (Items on the Hidden Items list) in the Crystal Mine to get the Expedition Scientist.


Daily Goals[]


Five Stars Achievements[]

  • Players must be Level 10 or higher to participate
  • Play the Crystal Mine‎ and mini-events to achieve goals
  • Click the ? on the upper left corner of the five star chart for details on how to fill in stars


Five Stars Goals[]

Treasure of Dark Depths Stars.png
Goal Max Earned Fills Star by %

Max %

Event Quests 30 3 per quest 90
Poison Green Gems 150 5 per 50 15
Event Location Master (Rank 6) 20 per rank 100
(Red) Crystals 3500 4 per 350 40
Without Fail 55 1 per game 55
Ring of Enlightenment 3000 9 per 300 90
Shopping 3000 90 50
Silhouettes 30 1 per round 30
Search for Items 2750 3 per 275 30
  • In order to achieve all 5 stars (5 x 100%), you have to earn the maximum number of points in all categories.


Five Stars Rewards[]


Mini Events[]

During the event, players will be given "mini-events" as well as the "main" event. These can be from 24 hours to 48 hours long.

Mini Events start at 8am local time and players need to be at level 14 in the game for them to be activated.

Daily Tasks require level 10 and higher.


September 7, Dark Deeds[]

Sept72021.jpg
Rewards: 60 Tokens

September 8, Pawnbroker's Secret[]

Sept82021.jpg
Rewards: 60 Tokens

September 9-10, Cursed Deck[]

This is a is a two-day Monstrology mini event, it's also during this event that players collect "Witchcraft Cards"

To learn more, please visit the Monstrology Mini-Event page. This is "Type B".

Monstrology Vault Meter.png

Special Note: This Monstrology takes place in Upper City.

NOTE: Event tokens/entry items appearance change event to event but the actual rewards do not change


September 10-12, Detective's Contest[]

This is a mini-event where players compete against each other to get the most Tokens, please read the Mini-Events page for details.


September 11-12, Cloak and Dagger[]

Please visit Mini-Events to learn how to play these mini-events.

These are the main stage rewards for the mini-event. Players only need to complete the first four to complete the event.

NOTE: Event tokens/assemblers appearance change event to event but the actual rewards do not change

May1-2-2021 Rewards.png
Side Story Locations: Foggy Backstreet, Antique Store, Crystal Mine

September 13, Dark Deeds[]

Sept132021.jpg
Rewards: 60 Tokens

September 14-15, Cursed Deck[]

This is a is a two-day Monstrology mini event, it's also during this event that players collect "Witchcraft Cards"

To learn more, please visit the Monstrology Mini-Event page. This is "Type B".

Monstrology Vault Meter.png

Special Note: This Monstrology takes place in Upper City.

NOTE: Event tokens/entry items appearance change event to event but the actual rewards do not change


September 15, Pawnbroker's Secret[]

Sept152021.jpg
Rewards: 60 Tokens

September 16-17, Gemstone Vault[]

December 5-7.png

Rewards

Check out this page to learn more about the Gemstone Vault and for tips/tricks/trivia

NOTE: Event tokens/entry items appearance change event to event but the actual rewards do not change


September 17, Dark Deeds[]

Sept172021.jpg
Rewards: 60 Tokens

September 18-19, Triumph Day[]

Please visit Mini-Events to learn how to play these mini-events.

These are the main stage rewards for the mini-event. Players only need to complete the first four to complete the event.

NOTE: Event tokens/assemblers appearance change event to event but the actual rewards do not change

May1-2-2021 Rewards.png
Side Story Locations: Foggy Backstreet, Antique Store, Crystal Mine

September 20, Dark Deeds[]

Sept202021.jpg
Rewards: 60 Tokens

September 21-22, Cursed Deck[]

This is a is a two-day Monstrology mini event, it's also during this event that players collect "Witchcraft Cards"

To learn more, please visit the Monstrology Mini-Event page. This is "Type B".

Monstrology Vault Meter.png

Special Note: This Monstrology takes place in Upper City.

NOTE: Event tokens/entry items appearance change event to event but the actual rewards do not change


September 23-26, Detective's Contest[]

This is a mini-event where players compete against each other to get the most Tokens, please read the Mini-Events page for details.


September 23, Dark Deeds[]

Sept232021.jpg
Rewards: 60 Tokens

September 24, Pawnbroker's Secret[]

Sept242021.png
Rewards: 60 Tokens

September 25-26, Cloak and Dagger[]

Please visit Mini-Events to learn how to play these mini-events.

These are the main stage rewards for the mini-event. Players only need to complete the first four to complete the event.

NOTE: Event tokens/assemblers appearance change event to event but the actual rewards do not change

May1-2-2021 Rewards.png
Side Story Locations: Foggy Backstreet, Antique Store, Crystal Mine

September 27-28, Gemstone Vault[]

December 5-7.png

Rewards

Check out this page to learn more about the Gemstone Vault and for tips/tricks/trivia

NOTE: Event tokens/entry items appearance change event to event but the actual rewards do not change

September 28, Dark Deeds[]

Sept282021.jpg

September 29-30, Cursed Deck[]

This is a is a two-day Monstrology mini event, it's also during this event that players collect "Witchcraft Cards"

To learn more, please visit the Monstrology Mini-Event page. This is "Type B".

Monstrology Vault Meter.png

Special Note: This Monstrology takes place in Upper City.

NOTE: Event tokens/entry items appearance change event to event but the actual rewards do not change


September 30, Pawnbroker's Secret[]

September302021.jpg



End of Event To-Do-List[]

  1. VISIT Curiosity Shop in the town square to exchange tokens for special items.
  2. PLAY bonus mini-games Magical Items and Excavations because the entry items do not carry over.
  3. ASSEMBLE Event Collections. The rewards could become lower after the event ends.
  4. Open gift boxes to make sure all prizes are claimed.
  5. ALL event entry items get converted into Skeleton Keys and sometimes bonus mini-event items.
  • Please note that events usually start a few hours after the current one events and different platforms update at different times.

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Related Pages[]

Note: This wiki is maintained by fans of the game, and is not affiliated with G5 Entertainment. If you are experiencing technical issues with the game itself, please contact customer support.
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