| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,398 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,974 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,046 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,396 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,356 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,433 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,995 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,738 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,631 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,236 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,520 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,668 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,564 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,021 |
| US States Quiz | 0 | - | 5.00 | 16,816,296 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,790 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,849 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,181 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,103 |
| US States with an Empty Map | 0 | - | 5.00 | 622,576 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,114 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,613 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,216 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,042 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,885 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,476 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,618 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,300 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,790 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,220 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,311 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,834 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,005 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,295 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,284 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,444 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,730 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,178 |
| Random U.S. City to State | 0 | - | 4.45 | 75,968 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,178 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,565 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,768 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,939 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,126 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,458 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,124 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,487 |
| Random European Capital to Country | 0 | - | 4.98 | 190,501 |
| Random European Country to Capital | 0 | - | 4.93 | 164,060 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,050 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,261 |
| Random African Capital to Country | 0 | - | 4.97 | 100,364 |
| Random African Country to Capital | 0 | - | 4.94 | 70,963 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,996 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,577 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,084 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,106 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,612 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,858 |
| U.S. States By Population | 0 | - | 4.92 | 152,948 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,105 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,282 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,069 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,070 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,405 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,048 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,369 |
| Name a City - European Countries | 0 | - | 4.90 | 65,108 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,780 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,758 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,378 |
| Boroughs of New York City | 0 | - | 4.47 | 84,444 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,536 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,304 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,343 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,382 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,300 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,733 |
| ALL California Cities | 0 | - | 4.37 | 42,973 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,438 |
| Europe Capital to Country | 0 | - | 4.99 | 249,368 |
| Asia Capital to Country | 0 | - | 4.96 | 126,362 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,446 |
| European Capitals by Map | 0 | - | 4.99 | 138,327 |
| African Capitals by Map | 0 | - | 4.99 | 133,147 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,949 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,790 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,155 |
| European Coastal Capitals | 0 | - | 4.95 | 90,303 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,447 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,874 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,329 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 81,687 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,393 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,295 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,783 |
| Official Cities in the UK | 0 | - | 4.89 | 282,770 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,977 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,830 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,172 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,836 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,909 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,638 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,034 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,996 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,116 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,064 |
| American TV Show Settings | 0 | - | 4.35 | 30,627 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,546 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,858 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,362 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,739 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,712 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,248 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,933 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,005 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,620 |
| US States and State Capitals | 0 | - | 4.99 | 160,929 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,237 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,935 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,376 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,721 |
| States of Mexico | 0 | - | 4.95 | 175,310 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,730 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,679 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,675 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,421 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,132 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,833 |
| Capitals of the Stans | 0 | - | 4.95 | 26,686 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,923 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,966 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,151 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,471 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,344 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,971 |
| South American Cities on the Map | 0 | - | 4.56 | 35,354 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,501 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,728 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,511 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,248 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,418 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,678 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,178 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,668 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,249 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,445 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,236 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,931 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,086 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,665 |
| Pixelated United States Map | 0 | - | 4.87 | 93,999 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,469 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,865 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,907 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,861 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,928 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,449 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,579 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,981 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,737 |
| Find the City #1 | 0 | - | 4.97 | 42,619 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,835 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,190 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,206 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,839 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,446 |
| Countries by Capital City | 0 | - | 5.00 | 67,780 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,893 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,390 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,358 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,940 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,887 |
| Moved Capital Cities | 0 | - | 4.96 | 73,992 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,598 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,871 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,406 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,330 |
| Which City in Europe? | 0 | - | 4.83 | 107,111 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,357 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,055 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,431 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,243 |
| Regions of U.S. States | 0 | - | 4.37 | 43,745 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,063 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,544 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,363 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,829 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,265 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,693 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,525 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,654 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,740 |
| Random Country to Capital | 0 | - | 4.98 | 917,071 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,771 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,973 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,176 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,350 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,276 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,011 |
