| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,121 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,956 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,037 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,357 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,304 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,410 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,990 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,734 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,626 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,213 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,447 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,643 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,545 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,017 |
| US States Quiz | 0 | - | 5.00 | 16,811,731 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,786 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,840 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,173 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,102 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,160 |
| US States with an Empty Map | 0 | - | 5.00 | 622,341 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,987 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,609 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,214 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,040 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,884 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,469 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,582 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,275 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,753 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,212 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,289 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,829 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,000 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,266 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,232 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,409 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,704 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,168 |
| Random U.S. City to State | 0 | - | 4.45 | 75,931 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,175 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,547 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,753 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,933 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,920 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,297 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,095 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,466 |
| Random European Capital to Country | 0 | - | 4.98 | 190,462 |
| Random European Country to Capital | 0 | - | 4.93 | 163,824 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,023 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,148 |
| Random African Capital to Country | 0 | - | 4.97 | 100,350 |
| Random African Country to Capital | 0 | - | 4.94 | 70,940 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,996 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,536 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,067 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,086 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,587 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,818 |
| U.S. States By Population | 0 | - | 4.92 | 152,921 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,076 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,267 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,061 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,060 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,391 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,039 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,364 |
| Name a City - European Countries | 0 | - | 4.91 | 65,074 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,761 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,756 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,375 |
| Boroughs of New York City | 0 | - | 4.47 | 84,424 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,523 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,289 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,338 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,376 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,280 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,701 |
| ALL California Cities | 0 | - | 4.37 | 42,967 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,437 |
| Europe Capital to Country | 0 | - | 4.99 | 249,317 |
| Asia Capital to Country | 0 | - | 4.96 | 126,347 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,419 |
| European Capitals by Map | 0 | - | 4.99 | 138,253 |
| African Capitals by Map | 0 | - | 4.99 | 133,083 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,922 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,771 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,134 |
| European Coastal Capitals | 0 | - | 4.95 | 90,274 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,427 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,780 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,279 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,677 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,372 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,264 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,770 |
| Official Cities in the UK | 0 | - | 4.89 | 282,670 |
| World Capitals Quiz | 0 | - | 5.00 | 5,057,824 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,751 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,149 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,827 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,876 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,621 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,023 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,980 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,106 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,053 |
| American TV Show Settings | 0 | - | 4.35 | 30,625 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,546 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,835 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,359 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,648 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,707 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,223 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,901 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,994 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,616 |
| US States and State Capitals | 0 | - | 4.99 | 160,823 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,213 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,851 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,352 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,690 |
| States of Mexico | 0 | - | 4.95 | 175,254 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,727 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,666 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,671 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,417 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,132 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,825 |
| Capitals of the Stans | 0 | - | 4.95 | 26,681 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,893 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,952 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,131 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,451 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,309 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,964 |
| South American Cities on the Map | 0 | - | 4.56 | 35,349 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,499 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,726 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,509 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,580,764 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,407 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,674 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,175 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,621 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,217 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,422 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,231 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,915 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 37,957 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,543 |
| Pixelated United States Map | 0 | - | 4.87 | 93,977 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,467 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,840 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,882 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,846 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,921 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,437 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,575 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,959 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,689 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,800 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,167 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,192 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,815 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,408 |
| Countries by Capital City | 0 | - | 5.00 | 67,740 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,877 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,372 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,275 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,934 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,864 |
| Moved Capital Cities | 0 | - | 4.96 | 73,973 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,575 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,862 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,384 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,314 |
| Which City in Europe? | 0 | - | 4.83 | 107,101 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,354 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,030 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,396 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,229 |
| Regions of U.S. States | 0 | - | 4.37 | 43,725 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,056 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,539 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,362 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,828 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,260 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,691 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,522 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,649 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,377 |
| Random Country to Capital | 0 | - | 4.98 | 916,830 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,767 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,965 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,155 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,339 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,273 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,009 |
