| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,478 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,577 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,902 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,619 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,480 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,834 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,921 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,663 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,534 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,498 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,672 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,058 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,128 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,933 |
| US States Quiz | 0 | - | 5.00 | 16,714,121 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,625 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,447 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,044 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,128 |
| US States with an Empty Map | 0 | - | 5.00 | 619,295 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,565 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,564 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,157 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,014 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,798 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,351 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,811 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,660 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,031 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,851 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,777 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,621 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,828 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,901 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,864 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,382 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,147 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,713 |
| Random U.S. City to State | 0 | - | 4.45 | 75,416 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,034 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,246 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,276 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,860 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,764 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,448 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,549 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,137 |
| Random European Capital to Country | 0 | - | 4.98 | 189,335 |
| Random European Country to Capital | 0 | - | 4.92 | 147,553 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,444 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,519 |
| Random African Capital to Country | 0 | - | 4.97 | 99,772 |
| Random African Country to Capital | 0 | - | 4.94 | 70,285 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,971 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,816 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,434 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,486 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,747 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,006 |
| U.S. States By Population | 0 | - | 4.92 | 152,434 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,481 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,908 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,606 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,790 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,938 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,810 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,761 |
| Name a City - European Countries | 0 | - | 4.92 | 64,505 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,307 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,700 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,341 |
| Boroughs of New York City | 0 | - | 4.47 | 84,139 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,137 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,975 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,282 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,176 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,420 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,954 |
| ALL California Cities | 0 | - | 4.37 | 42,832 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,389 |
| Europe Capital to Country | 0 | - | 4.99 | 248,098 |
| Asia Capital to Country | 0 | - | 4.96 | 125,824 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,592 |
| European Capitals by Map | 0 | - | 4.99 | 136,551 |
| African Capitals by Map | 0 | - | 4.99 | 132,270 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,293 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,292 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,704 |
| European Coastal Capitals | 0 | - | 4.95 | 89,845 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,218 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,099 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,026 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,450 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 123,929 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 124,735 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,574 |
| Official Cities in the UK | 0 | - | 4.89 | 280,799 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,551 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,116 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,711 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,476 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,204 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,233 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,754 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,552 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,815 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 10,857 |
| American TV Show Settings | 0 | - | 4.35 | 30,589 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,470 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,295 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,285 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,136 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,614 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,853 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,049 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,709 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,559 |
| US States and State Capitals | 0 | - | 4.99 | 158,795 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,711 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,136 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,885 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,159 |
| States of Mexico | 0 | - | 4.95 | 173,520 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,601 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,416 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,452 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,294 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,045 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,677 |
| Capitals of the Stans | 0 | - | 4.95 | 26,450 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,346 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,513 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,784 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,863 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,583 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,579 |
| South American Cities on the Map | 0 | - | 4.57 | 35,252 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,446 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,636 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,476 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,127 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,228 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,595 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,040 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,857 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,553 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,920 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,425 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,294 |
| Pixelated United States Map | 0 | - | 4.89 | 93,548 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,423 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.46 | 52,620 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.50 | 40,427 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,520 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,726 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,294 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,490 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,514 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,885 |
| Find the City #1 | 0 | - | 4.97 | 42,173 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,047 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,711 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,666 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,724 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,557 |
| Countries by Capital City | 0 | - | 5.00 | 66,772 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,398 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,955 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,645 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,818 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,447 |
| Moved Capital Cities | 0 | - | 4.96 | 73,629 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,302 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,670 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,910 |
| Which City in Europe? | 0 | - | 4.83 | 106,767 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,241 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,486 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,670 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,904 |
| Regions of U.S. States | 0 | - | 4.37 | 43,499 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,825 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,499 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,343 |
| U.S. States with the Lowest HDI | 0 | - | 4.46 | 28,770 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,204 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,565 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,467 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,547 |
| All Cities in Canada on a Map | 0 | - | 4.40 | 18,302 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,969 |
| Random Country to Capital | 0 | - | 4.98 | 912,205 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,676 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,780 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,639 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,078 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,236 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,934 |
| Top 10 U.S. States People are Leaving | 0 | - | 4.42 | 59,052 |
| Top 10 U.S. States with the Highest Elevation | 0 | - | 4.51 | 67,776 |
