Rank 31 is the rank succeeding Rank 30. Jean C. Rico, who automates and speeds up Tanks, is unlocked at this rank. Twelve out of the fifteen missions of this rank must be completed to move on to Rank 32.

# Name Requirement Reward
1 Trade Ore-ganization! Trade 15 Ore Stone
2 R&D Asap! Spend 3,400 Science Stone
3 Bustling Bunkers! Own 124,000 Bunkers Wood
4 Grow-It-All! Own 3.8 M Irrigations Wood
5 Rail Sale Own 54 M Trains Wood
6 A Healthy People! Collect 30 II Placebos Stone
7 Bustling Bunkers! Own 82 M Bunkers Wood
8 Exciting Boring Work! Own 62 M Deep Bores Wood
9 Tanks Very Much! Own 100 Tanks Stone
10 Barge Right In! Own 188 M Barges Wood
11 Land in the Hand! Collect 70 PP Land Wood
12 From Farm to Pharmacy Own 83 M Pharmacies Wood
13 Dig That Rig! Own 15 Oil Rigs Stone
14 Tanks Very Much! Own 670 Tanks Stone
15 Rail Sale Own 303 M Trains Wood

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