| Taken | Updated | Quiz |
|---|
| 151 | 2021-12-07 | 100 Largest US Cities - A |
| 143 | 2021-12-08 | 100 Largest US Cities - B |
| 138 | 2021-12-09 | 100 Largest US Cities - C |
| 125 | 2021-12-09 | 100 Largest US Cities - D |
| 120 | 2021-12-13 | 100 Largest US Cities - L |
| 119 | 2021-12-14 | 100 Largest US Cities - P |
| 116 | 2021-12-15 | 100 Largest US Cities - S |
| 108 | 2021-12-13 | 100 Largest US Cities - M |
| 105 | 2021-12-11 | 100 Largest US Cities - F |
| 103 | 2021-12-14 | 100 Largest US Cities - R |
| 99 | 2021-12-15 | 100 (well, 87) Largest US Cities - T |
| 92 | 2021-12-14 | 100 Largest US Cities - N |
| 91 | 2021-12-11 | 100 Largest US Cities - E |
| 89 | 2021-12-11 | 100 Largest US Cities - G |
| 87 | 2021-12-11 | 100 Largest US Cities - H |
| 77 | 2021-12-16 | 100 Largest US Cities - W (+ one X) |
| 73 | 2021-12-12 | 100 (well, 42) Largest US Cities - J |
| 71 | 2021-12-14 | 100 (well, 78) Largest US Cities - O |
| 69 | 2021-12-12 | 100 (well, 55) Largest US Cities - K |
| 65 | 2021-12-12 | 100 (well, 24) Largest US Cities - I |
| 59 | 2021-12-16 | 100 (well, 35) Largest US Cities - V |
| 57 | 2021-12-15 | 100 (well, 18) Largest US Cities - U |
| 53 | 2021-09-27 | "St." US Cities |
| 50 | 2021-03-18 | All Cities and Towns in Indiana |
| 50 | 2022-03-24 | All Cities in the Chicago Metropolitan Area |
| 46 | 2021-12-20 | 100 (well, 18) Largest US Cities - Y |
| 43 | 2021-09-28 | Ohio Counties by Population |
| 36 | 2021-12-14 | 100 (well, 3) Largest US Cities - Q |
| 35 | 2021-09-23 | "Grand" US Cities |
| 34 | 2021-10-01 | "South" US Cities |
| 28 | 2021-12-17 | 100 (well, 5) Largest US Cities - Z |
| 24 | 2021-07-28 | US States by Most Counties with Unique Names |
| 23 | 2022-03-22 | All Cities in the Los Angeles Metropolitan Area |
| 22 | 2021-11-04 | Which US City is Larger? #2 |
| 22 | 2022-03-29 | All Cities in the Detroit Metropolitan Area |
| 22 | 2021-03-02 | Large US Cities with the Most Population Decrease |
| 21 | 2021-02-27 | Florida Counties by Population |
| 19 | 2022-03-22 | All Cities in the Miami Metropolitan Area |
| 18 | 2021-11-04 | Which US City is Larger? #1 |
| 18 | 2021-02-25 | Minnesota Counties by Population |
| 17 | 2022-03-27 | All Cities in the Dallas Metropolitan Area |
| 17 | 2022-09-21 | New York Counties by Population |
| 16 | 2022-04-01 | Pennsylvania Counties by Population |
| 16 | 2021-02-26 | Wisconsin Counties by Population |
| 15 | 2021-02-23 | Indiana Counties by Population |
| 15 | 2021-02-28 | California Counties by Population |
| 14 | 2021-02-24 | Illinois Counties by Population |
| 14 | 2022-03-25 | All Cities in the Seattle Metropolitan Area |
| 13 | 2022-03-30 | All Cities in the San Francisco Metropolitan Area |
| 12 | 2021-02-28 | Most Populous County in Each State by Population |
| 12 | 2021-06-24 | Most Populous US Counties without a NCAA Division I School |
| 12 | 2021-06-06 | All Michigan Cities By Letter - S |
| 11 | 2022-04-03 | Texas Counties by Population |
| 11 | 2021-11-04 | Which US City is Larger? #3 |
| 11 | 2021-09-28 | Washington Counties by Population |
| 10 | 2022-03-28 | All Cities in the Atlanta Metropolitan Area |
| 10 | 2021-02-25 | Michigan Counties by Population |
| 10 | 2021-06-06 | All Michigan Cities By Letter - T, U & V |
| 8 | 2021-06-03 | All Michigan Cities By Letter - B |
| 8 | 2022-03-29 | All Cities in the St. Louis Metropolitan Area |
| 8 | 2021-06-05 | All Michigan Cities By Letter - Q & R |
| 8 | 2021-06-03 | All Michigan Cities By Letter - D |
| 8 | 2021-02-23 | Four-Syllable US Counties |
| 7 | 2021-06-07 | All Michigan Cities By Letter - W, Y & Z |
| 7 | 2021-06-04 | All Michigan Cities By Letter - I, J, & K |
| 7 | 2021-06-03 | All Michigan Cities By Letter - C |
| 7 | 2021-06-03 | All Michigan Cities By Letter - E |
| 7 | 2021-06-03 | All Michigan Cities By Letter - F |
| 7 | 2021-06-04 | All Michigan Cities By Letter - H |
| 6 | 2022-03-31 | Missouri Counties by Population |
| 6 | 2022-04-01 | Colorado Counties by Population |
| 6 | 2021-02-27 | Iowa Counties by Population |
| 6 | 2021-06-05 | All Michigan Cities By Letter - P |
| 6 | 2021-06-03 | All Michigan Cities By Letter - A |
| 6 | 2021-06-03 | All Michigan Cities By Letter - G |
| 6 | 2021-06-04 | All Michigan Cities By Letter - L |
| 6 | 2021-06-05 | All Michigan Cities By Letter - O |
| 6 | 2021-06-05 | All Michigan Cities By Letter - M |
| 6 | 2021-06-05 | All Michigan Cities By Letter - N |
| 5 | 2022-04-05 | Nebraska Counties by Population |
| 5 | 2022-04-06 | Montana Counties by Population |
| 5 | 2022-04-08 | North Carolina Counties by Population |
| 5 | 2022-08-10 | Arizona Counties by Population |
| 5 | 2022-04-03 | North Dakota Counties by Population |
| 4 | 2022-04-03 | South Dakota Counties by Population |
| 4 | 2021-02-24 | Townships of Indiana |
| 4 | 2022-03-30 | All Cities in the Charlotte Metropolitan Area |
| 4 | 2022-04-06 | Alabama Counties by Population |
| 4 | 2022-08-12 | Mississippi Counties by Population |
| 4 | 2022-04-01 | Kentucky Counties by Population |
| 4 | 2022-08-12 | New Jersey Counties by Population |
| 3 | 2022-08-11 | Maryland Counties by Population |
| 3 | 2022-08-12 | South Carolina Counties by Population |
| 3 | 2022-09-06 | Virginia Counties by Population |
| 3 | 2022-08-10 | Oklahoma Counties by Population |
| 3 | 2022-04-04 | Tennessee Counties by Population |
| 3 | 2022-04-04 | Oregon Counties by Population |
| 3 | 2022-04-06 | Kansas Counties by Population |
| 3 | 2022-01-22 | Michigan Counties - Former Names |
| 3 | 2022-04-05 | Georgia Counties by Population |
| 2 | 2022-08-12 | Nevada Counties by Population |
| 2 | 2022-08-11 | Massachusetts Counties by Population |
| 2 | 2022-08-11 | Maine Counties by Population |
| 2 | 2022-08-10 | Arkansas Counties by Population |
| 1 | 2022-08-11 | Idaho Counties by Population |
| 1 | 2022-08-12 | New Mexico Counties by Population |
| 1 | 2022-08-11 | Louisiana Parishes by Population |
