FANDOM


"Your city is rich in talent and ingenuity! Engineers from your city have just completed research that allows the building of underwater tunnels. The riverbed nearby is a suitable construction site for just such a tunnel. Complete tasks and finish construction on time to get an additional reward."

"Watch the timer carefully and complete all tasks in time! If you finish the underwater tunnel on time, you will get a prize - a unique safe full of unknown treasures."

Notice  Each part of each construction task must be complete before moving on to the next, items marked with  can be made in advance to complete the part faster. Hang on to the items in your Warehouse until you have completed the part in the construction task that requires it.

Available at level Level 25
Territory Territory 3x7 (fixed location)
Buildings allowed to build Building 1
Profit Coins +600 / Time 4 h
Yields citizens' happiness Happiness +4,000
  • Upgrade costs
  • Time
  • New Happiness
  • New Profit

Level 2:

  • 20 Engineers
    25 Limestones
    30 Trowels
  • Time 0 sec
  • Happiness +2,000 (total 6,000)
  • Coins +800 / Time 6 h

SafeEdit

The safe's contents will be awarded to only the most industrious businessmen who never surrender to obstacles. Complete all the tasks in time (10 days Time from the time you start the quest) and get a valuable reward.

Inside the safe you will find:

  • 10 Cash
  • 100,000 Coins
  • 1 Golden Key
  • 1 Gold Coin
  • 1 Blueprint (Fragment #7 of Blueprints for building "Film studio")

Construction Task 1: Construction CommencesEdit

Part 1 Finishing Touches (Reward: 5500 Coins, 190 XP2)

  • Deliver 15 batches of gasoline to the warehouse
    (1 h Time each @ Oil Refinery)
    Hint: Required resources will be subtracted after the quest is completed
  • Hire 6 Architects
    Hint: The required personnel will be removed upon the completion of the task
    (30 h Time each @ Construction Institute)

Part 2 Let's Get Going (Reward: 5500 Coins, 190 XP2)

  • Receive 100 Excavator Operators' Business Cards
    Hint: you can get business cards from citizens
    (each uses 3 Energy,100 citizens wandering around town)
    (Don't expect to get a card every time )
  • Send Buses on 10 trips
    (use the Next Trip Over buses)

Part 3 Collaborating (Reward: 5500 Coins, 190 XP2)

  • Give robots 3 tasks [this task does NOT apply to Android, Win8]
    Hint: You can find the Robots in the Robotarium
  • Fullfill 1 Personal Plan
    Hint: You must be a corporation member

Part 4 Emegency Help (Reward: 2 Cash,6000 Coins, 200 XP2)

  • Help your workers get better
    (use 600Energy by clicking accept or if you want to get finished faster click the Energy button and buy 500Energy and use only 100 Energy by accepting. If you buy two 500Energy you waste 400Energy, you do not get to keep it!)
  • Provide Medical aid to your city 10 time
    (you can bypass this for 20Cash)

Construction Task 2: Tough Going, but SteadyEdit

Part 1 Let's Invest in Construction! (Reward: 6000 Coins, 200 XP2)

  • Load up a ship in the Commercial Port
    Hint: You don't have to load VIP containers
  • Complete any 5 task
    (complete 5 task on the left side of the Big Business screen)

Part 2 Overcoming Difficulties (Reward: 6000 Coins, 200 XP2)

"Let's show your opponents that your city is capable to finish the underwater tunnel construction project! Produce a few Modules, and hire some new workers -- some of your previous suffered disease."

  • Produce any 3 modules
    Hint: Modules are produced at the Research Center
    (Make 1 prior to the beginning of this goal but do not collect the module until this goal begins)
    (Making a S module is only 8 hours compared to the 1 day M module)
  • Hire 40 Worker
    (8 h Time each @ College)
    (Cannot be produced ahead of time. However, make some ahead of time but do not collect them until this goal begins so to cut out that first create time)
    (Also you can have up to 5 colleges. Workers are a level 2. Might be cost effective to have 5 colleges. They can get built and ready for this step. Something to ponder - if you can afford more.)

Part 3 Early Successes (Reward: 2 Cash, 6000 Coins, 200 XP2)

"Your citizens want to see how construction is coming along. Arrange mass transit to the construction site so that every insterested resident can come and see for themselves. And don't forget about your friends -- give them gifts. You might need their help in the future."

  • Send Citizens on Trips Task
    Send 3000 citizens on trips
    (Trips counts when they return and are collected. Start trips prior to this part starting and collect when it begins to cut time)
  • Sending Gifts Task
    Give 20 gifts to your friends
    (These can be any gifts. even city creditCash and coins Coins gifts)
    (can be completed immediately for 25 Cash

Construction Task 3: Work Up to the CollarEdit

Part 1: Almost There (Reward: 6000 Coins, 200 XP2)

  • Increase your Robot's level (3 times) [this task does NOT apply to Android users]
    Hint: You can find Robot in Robotarium.
    (Any robot or robots. Just level up 3 times)
  • Deliver 15 shipments of Granite to the Warehouse.
    Hint: Required resources will be subtracted after the quest is completed.
    (4 h Time each @ Quarry)
    (Cannot be made in advance. Any already in warehouse do not count. Do not use any or sell any even if they are already in the warehouse because they will deducted from the count and will have to be remade!)

Part 2: Incidental Expenses! (Reward: 6000 Coins, 200 XP2)

  • Spend 1,360,000 coins Coins
    (Mine was 1,420,000 coins Coins so this must be relative to your city)
(Mine was 0 coins Coins so this must be relative to your city [Android user on 150721])
  • Extinguish 10 fires

Part 3: Inspection (Reward: 2 Cash, 6000 Coins, 200 XP2)

  • Collect 50 Document Folders
    DocumentFolder

    Hint: Folders can be found on Basketball Courts
    (max out your Basketball Courts to 35. They are available to collect every hour. Happy clicking and Good Luck!!!)
    (If you have a Great Luck Bonus, they really help. I had 3 and never used any before and when I used one I would find many more folders. Make sure you are around for 6 hours as not to waste it.)

Construction Task 4: Last PreparationsEdit

Part 1: Friendly Help (Reward: 6000 Coins, 210 XP2)

"No construction is possible without help from friends. Ask them for Hammers in order to continue with the project. You will also need Engineers to deal with the more complex aspects of the tunnel's construction."

  • Hire 18 Engineers
    Hint: The required personnel will be removed upon completion of the task
    (10 h Time each @ College)
    (Cannot be produced ahead of time. However - like the Workers hired above - make some ahead of time but do not collect them until this goal begins so to cut out that first create time)
    (Also,a reminder, you can have up to 5 colleges. Workers are a level 2. Might be cost effective to have 5 colleges. They can get built and ready for this step. Something to ponder - if you can afford more.)
  • Get 30 Hammers as gifts
    Hint: Required resources will be subtracted after the quest is completed
    (You can already have these in stock!)

Part 2: Bank Up the Sand! (Reward: 6000 Coins, 210 XP2)

  • Deliver 40 shipments of sand to the warehouse
    (10 min Time each @ Mine)
    Hint: Required resources will be subtracted after the quest is completed
    Cannot be made in advance. Any already in warehouse do not count. Do not use any or sell any even if they are already in the warehouse because they will deducted from the count and will have to be remade!)
  • Increase the population by 40,000
    (You don't actually have to increase the population by 40k. Keep sending citizens on trips. This does not subtract from the tally of the 40k!)

Part 3: Restaurant Tycoon (Reward: 2 Cash, 6000 Coins, 200 XP2)

  • Build 5 Sushi Bars
    (If you are maxed - 40 bars - you get automatic credit for this)
  • Deliver 15 shipments of Marble to the Warehouse.
    Hint: Required resources will be subtracted after the quest is completed.
    ( 6h Time each @ Quarry)
    (Cannot be made in advance. Any already in warehouse do not count. Do not use any or sell any even if they are already in the warehouse because they will deducted from the count and will have to be remade!)

Construction Task 5: Everything Must GoEdit

.Part 1: Tea Ceremony (Reward: 6500 Coins, 220 XP2)

  • Collect 45 Wagashi
    Hint: You can find Wagashi in Sushi Bars
    (max out your Shushi Bars to 40. They are available to collect every 1.5 hours. Happy clicking and Good Luck!!!)
    (If you have a Great Luck Bonus, they really help. When I used one I would find many more wagashi. Make sure you are around for 6 hours as not to waste it.)
  • Hire 20 electricians
    (The required personnel will be removed upon the completion of the task)
    (20 h Time each @ Construction Institute)
    (Cannot be made in advance. Any already in warehouse do not count. Do not use any or sell any even if they are already in the warehouse because they will deducted from the count and will have to be remade!)

Part 2: Final Push! (Reward: 2 Cash, 6000 Coins, 200 XP2)

  • Sell everything in the Warehouse!
    (Don't have a heart Attack! At least you are getting a heads up, which I did not! Start upgrading product like your coconuts, papayas and mangos - make things into products that use them because you will obtain more coins. Plan your last port shipment, Make as much off any product you can or just sell off everything as is and do not make as much. Your warehouse will echo - because it is empty! Think of it as a chance to refresh maybe?)

TIMED EVENT: Share Your Success! (Reward: 6000 Coins, 230 XP2)

  • Post 3 pictures of the Underwater Tunnel on Facebook
    (Go to upper right corner click on camera and click on Facebook icon. Do this 3 times. Just do it 3 times in a row to get it done. You have 12 hours.)

Done!  (Reward: 9500 Coins, 350 XP2)

 These items can be made (or received) in advance

Underwater Tunnel Under Construction

Underwater Tunnel during Part 2 of construction

Ad blocker interference detected!


Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.