|Preparations for Construction||Main Laboratory Complex||Weather Office||Secret Technologies||Radar||We're Not Alone in the Universe||Sealab||Historical Legacy||Restoration of Atlantis||In Search of Atlantis|
In Search of Atlantis is a Timed Quest in which the player has 192 hours to build and upgrade a total of 5 new fixed structures with assets leading to exclusive rewards. It was released as part of an update on February 19, 2013. The quest was repeated twice, once on August 09, 2013  and again on December 03, 2015 
|"The ancient ruins of Atlantis have been found on the bottom of the ocean! Countless secrets will be revealed by this sensational discovery!"|
|"The residents are asking the mayor to: Start researching Atlantis"|
|"Build a Laboratory Complex and set up infrastructure to thoroughly research and restore the ancient ruins!"|
Stage 1 - Preparations for Construction
We should tell our neighbors what is happening here and start collecting funds for the upcoming construction project.
- Visit your friends and tell them what's happened! Start collecting taxes to finance the new construction project.
|Visit the cities of 7 friends and tell them about the discovery of the strange crater|
|Collect 2,000 coins in taxes|
- Good work! You're keeping your neighbors up to speed on current events and have collected funds to build a Laboratory!
Stage 2 - Main Laboratory Complex
Now that the funds have been collected, we can start building the Main Laboratory Complex!
- Begin construction of the Main Laboratory Complex and provide housing for incoming researchers and lab staff.
|Start building the Main Laboratory Complex|
|House 1,800 residents|
- Keep up the good work! You've begun construction of the Main Laboratory Complex and have house all of the researchers!
Stage 3 - Weather Office
The weather is very unpredictable on the coast this time of year. We should finish building the Laboratory quickly and establish a Weather Office.
- Complete the first stage of construction of the Main Laboratory Complex and establish a Weather Office in the city.
|Complete the first stage of construction of the Main Laboratory Complex|
|Establish a Weather Office|
- Keep up the good work! You've successfully completed the first stage of construction of the Main Laboratory Complex and founded a Weather Office in your city!
Stage 4 - Secret Technologies
It's time to finish the Main Laboratory Complex and switch over to research!
- Complete the Main Laboratory Complex and conduct research on secret new technologies.
|Finish the Main Laboratory Complex|
|Conduct research on secret technologies
- Amazing! You've built the Main Laboratory Complex and have achieved outstanding results in your research of new technologies!
Stage 5 - Radar
We should make sure that the city has reliable transportation infrastructure.
- Begin building a Radar System and a Launch Pad in order to pave the way for a new transportation system.
|Begin building a Radar System
|Begin building a Launch Pad
- Keep up the good work! You've begun building a Radar System and a Launch Pad in order to create a reliable transportation network!
Stage 6 - We're Not Alone in the Universe
The radar system will let us begin to search for civilizations beyond the limits of our solar system!
- Finish building the Radar System and conduct a search for extraterrestrial civilizations.
|Finish building the Radar System
|Search for Extraterrestrial Civilizations
- Wonderful! You've successfully built a Radar System and searched for extraterrestrial civilizations!
Stage 7 - Sealab
We urgently need to begin looking for artifacts, and we also need a Sealab!
- Finish building the Launch Pad, conduct a search for artifacts, and begin building a Sealab.
|Finish building the Launch Pad
|Conduct a search for artifacts
|Begin building a Sealab|
- Good work! You're developing a transportation infrastructure, you've searched for artifacts, and you've started building a Sealab!
Stage 8 - Historical Legacy
The Sealab will allow us to investigate the ancient ruins.
- Finish building the Sealab and conduct a study of the historical legacy!
|Finish building the Sealab
|Conduct a study of the historical legacy
- Excellent work! You've built a Sealab and studied the rich historical legacy of Atlantis!
Stage 9 - Restoration of Atlantis
Now we can restore this great cultural legacy of the past!
- Restore Atlantis and return the ruins to their former glory!
- Truly epic! You've mastered the difficult challenges set before you and returned the legendary city of Atlantis to its former splendor!
Reward - In Search of Atlantis
- Achievement after restoring the Atlantis
"Wonderful! You've restored the ancient ruins of the legendary lost city of Atlantis and received the "Atlantis Expert" achievement!"
- Social Quantum's internal name for this quest is "В поисках атлантиды" which translates to "In search of Atlantis".
- Social Quantum's ID for this quest is 20478.
In Search of Atlantis • Main Laboratory Complex • Helipad • Radar • Sealab • Atlantis