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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