| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,001 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,930 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,673 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,835 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,017 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,435 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,002 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,696 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,324 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,630 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,040 |
| Random U.S. City to State | 0 | - | 4.45 | 76,921 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,923 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,911 |
| Name a City - European Countries | 0 | - | 4.90 | 66,181 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,432 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,644 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,139 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,604 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,480 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,835 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,079 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,212 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,312 |
| Europe Capital to Country | 0 | - | 4.99 | 252,105 |
| Asia Capital to Country | 0 | - | 4.96 | 127,401 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,987 |
| European Capitals by Map | 0 | - | 4.99 | 142,116 |
| African Capitals by Map | 0 | - | 4.99 | 142,197 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,915 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,880 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,195 |
| European Coastal Capitals | 0 | - | 4.95 | 91,317 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,192 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,765 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,808 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,168 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,267 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,378 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,413 |
| Which City in Europe? | 0 | - | 4.83 | 107,896 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,670 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,737 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,439 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,549 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,413 |
| Official Cities in the UK | 0 | - | 4.89 | 286,279 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,010 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,088 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,120 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,246 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,243 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,591 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,128 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,401 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,588 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,962 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,717 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,720 |
| US States Quiz | 0 | - | 5.00 | 16,997,299 |
| Capitals of the Stans | 0 | - | 4.95 | 27,146 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,493 |
| Random European City to Country | 0 | - | 4.69 | 118,467 |
| Random Asian City to Country | 0 | - | 4.56 | 44,619 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,656 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,602 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,155 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,871 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,788 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,860 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,785 |
| Which City in Canada? | 0 | - | 4.83 | 57,358 |
| Boroughs of New York City | 0 | - | 4.47 | 85,334 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,680 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,936 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,518 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,234 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,885 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,832 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,564 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,232 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,443 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,419 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,499 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,657 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,489 |
| States of Mexico | 0 | - | 4.96 | 178,285 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,426 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,073 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,040 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,643 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,453 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,208 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,919 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,684 |
| South American Cities on the Map | 0 | - | 4.52 | 35,551 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,313 |
| ALL California Cities | 0 | - | 4.37 | 43,241 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,933 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,504 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,360 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,976 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,209 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,232 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,151 |
| Countries by Capital City | 0 | - | 5.00 | 69,401 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,861 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,237 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,893 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,816 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,822 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,543 |
| Moved Capital Cities | 0 | - | 4.96 | 74,653 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,076 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,992 |
| Random European Capital to Country | 0 | - | 4.98 | 192,152 |
| Random European Country to Capital | 0 | - | 4.93 | 165,906 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,991 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,421 |
| Random African Capital to Country | 0 | - | 4.97 | 101,363 |
| Random African Country to Capital | 0 | - | 4.95 | 71,759 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,744 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,322 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,553 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,451 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,618 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,495 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,823 |
| Pixelated United States Map | 0 | - | 4.88 | 94,820 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,087 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,283 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,321 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,355 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,379 |
| U.S. States By Population | 0 | - | 4.92 | 154,154 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,234 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,899 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,868 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,543 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,102 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,742 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,038 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,163 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,793 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,246 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,259 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,099 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,080 |
| European Cities by Clue | 0 | - | 4.70 | 89,177 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,230 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,467 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,398 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,053 |
| US States with an Empty Map | 0 | - | 5.00 | 628,740 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,145 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,299 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,251 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,969 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,449 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,339 |
| North American Sports Cities | 0 | - | 4.82 | 173,161 |
| American TV Show Settings | 0 | - | 4.37 | 30,702 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,558 |
| Cities in European History #1 | 0 | - | 4.63 | 134,615 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,455 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,888 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,953 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,217 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,956 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,490 |
| Cities by Former Name | 0 | - | 4.83 | 92,058 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,683 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,983 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,845 |
| World Capitals by Map | 0 | - | 5.00 | 289,401 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,832 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,626 |
| Random Country to Capital | 0 | - | 4.98 | 928,201 |
| Capitals Starting With H | 0 | - | 4.91 | 93,342 |
| Capitals Starting With K | 0 | - | 4.89 | 84,408 |
| Capitals Starting With M | 0 | - | 4.94 | 109,195 |
| Capitals Starting With P | 0 | - | 4.88 | 79,017 |
| Capitals Starting With R | 0 | - | 4.88 | 82,518 |
| Capitals Starting With S | 0 | - | 4.90 | 86,581 |
| Capitals Starting With T | 0 | - | 4.86 | 76,848 |
| Capitals Starting With W | 0 | - | 4.87 | 91,738 |
| Capitals Starting With A | 0 | - | 4.97 | 129,122 |
| Capitals Starting With B | 0 | - | 4.89 | 119,518 |
| Capitals Starting With D | 0 | - | 4.94 | 97,217 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,670 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,306 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,112 |
| Which City in Africa? | 0 | - | 4.77 | 58,001 |
| Which City in Asia? | 0 | - | 4.52 | 51,573 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,869 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,512 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,848 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,212 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,734 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,104 |
