Cool Agent is one of the three skins released under the Time Heroes part of the Time Travel offer. It could be individually purchased with game coins in January 2017.
Cool Agent could be purchased in the Skins Shop under the ‘Time Travel’ tab for 2900 coins. This skin was available for a limited time and may not be available for purchase in the future.
Details of this skin can vary depending on location, platform or time.
Note: The Time Heroes sub-offer with the Cool Agent skin has been released multiple times. Additional limited time releases after the original were in early January 2018 and late May 2019. The price for Cool Agent remained the same for each release.