Rank 67 is the rank following 
Rank 66. No new researchers unlock at this rank. There are 19 missions in this rank, and at least 16 of them need to be completed to move on to 
Rank 68. The first mission requiring Airports to be collected appears at the end of this rank.
| # | Name | Requirement | Reward |
|---|---|---|---|
| 1 | Barge Right In! |  Own 359 M Barges
|
 Wood
|
| 2 | Stronger than Dirt! |  Collect 686 YY Ore
|
Wood
|
| 3 | Artillery Deployed! |  Own 67 M Artilleries
|
Wood
|
| 4 | Always Give 100%! |  Own 843 M Blood Banks
|
Wood
|
| 5 | Land in the Hand! |  Collect 9.2 FFF Land
|
Wood
|
| 6 | Cooler than Warm Storage! |  Own 23 B Cold Storages
|
 Stone
|
| 7 | Armed and Glorious! |  Collect 5.7 YY Bullets
|
Wood
|
| 8 | Hankering for Tankering! |  Own 19 B Tankers
|
Stone
|
| 9 | Pick a Card! Any Card! |  Collect 950 Cards
|
Stone
|
| 10 | A Healthy People! |  Collect 25 YY Placebos
|
Wood
|
| 11 | Perfect for Nuclear Wessels! |  Own 17 B Nuclear Plants
|
Stone
|
| 12 | More Potatoes, More Glory! |  Collect 392.99 JJJ Potatoes
|
Wood
|
| 13 | More Like Your-Ranium! |  Own 20,020 Uranium Mines
|
Stone
|
| 14 | Hospitable Host-Pital! |  Own 5.5 B Hospitals
|
Stone
|
| 15 | Armed and Glorious! | Collect 37.99 CCC Bullets
|
Wood
|
| 16 | A Must for Dusting! |  Own 22 B Crop Dusters
|
Stone
|
| 17 | Red Eye Flight! |  Own 5 Airports
|
Stone
|
| 18 | Stronger than Dirt! | Collect 434 KFC Ore
|
Wood
|
| 19 | Better than Friendship! |  Own 16 B Battleships
|
Stone
|
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