| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,934 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,880 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,213 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,143 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,319 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,982 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,720 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,610 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,115 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,129 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,537 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,472 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,001 |
| US States Quiz | 0 | - | 5.00 | 16,793,722 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,768 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,784 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,121 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,092 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,158 |
| US States with an Empty Map | 0 | - | 5.00 | 621,799 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,526 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,598 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,201 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,035 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,872 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,450 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,467 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,176 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,620 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,173 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,186 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,799 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,965 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,214 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,989 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,252 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,611 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,116 |
| Random U.S. City to State | 0 | - | 4.45 | 75,833 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,144 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,483 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,688 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,918 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,186 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,648 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,993 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,407 |
| Random European Capital to Country | 0 | - | 4.98 | 190,219 |
| Random European Country to Capital | 0 | - | 4.93 | 160,916 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,931 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,031 |
| Random African Capital to Country | 0 | - | 4.97 | 100,241 |
| Random African Country to Capital | 0 | - | 4.94 | 70,768 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,992 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,438 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,992 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,999 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,470 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,686 |
| U.S. States By Population | 0 | - | 4.92 | 152,848 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,974 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,216 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,012 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,021 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,331 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,015 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,339 |
| Name a City - European Countries | 0 | - | 4.91 | 64,971 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,677 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,749 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,372 |
| Boroughs of New York City | 0 | - | 4.47 | 84,374 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,457 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,238 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,324 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,340 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,191 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,566 |
| ALL California Cities | 0 | - | 4.37 | 42,951 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,429 |
| Europe Capital to Country | 0 | - | 4.99 | 249,076 |
| Asia Capital to Country | 0 | - | 4.96 | 126,245 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,284 |
| European Capitals by Map | 0 | - | 4.99 | 137,982 |
| African Capitals by Map | 0 | - | 4.99 | 132,966 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,809 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,685 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,060 |
| European Coastal Capitals | 0 | - | 4.95 | 90,188 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,386 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,465 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,069 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,633 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,291 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,161 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,731 |
| Official Cities in the UK | 0 | - | 4.89 | 282,387 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,776 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,459 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,062 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,757 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,753 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,566 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,964 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,902 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,046 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,018 |
| American TV Show Settings | 0 | - | 4.35 | 30,618 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,529 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,739 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,340 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,369 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,692 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,152 |
| All Cities in Canada on a Map | 0 | - | 4.41 | 18,383 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,762 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,954 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,606 |
| US States and State Capitals | 0 | - | 4.99 | 160,523 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,123 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,542 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,259 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,625 |
| States of Mexico | 0 | - | 4.95 | 174,970 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,712 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,617 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,634 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,388 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,120 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,794 |
| Capitals of the Stans | 0 | - | 4.95 | 26,642 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,802 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,871 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,076 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,349 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,198 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,901 |
| South American Cities on the Map | 0 | - | 4.56 | 35,330 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,491 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,717 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,505 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,182 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,382 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,660 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,147 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,481 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,096 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,340 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,201 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,818 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,154 |
| Pixelated United States Map | 0 | - | 4.89 | 93,886 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,459 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,723 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,772 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,780 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,884 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,412 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,558 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,873 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,559 |
| Find the City #1 | 0 | - | 4.97 | 42,535 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,684 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,097 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,127 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,587 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,279 |
| Countries by Capital City | 0 | - | 5.00 | 67,603 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,812 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,310 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,972 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,923 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,762 |
| Moved Capital Cities | 0 | - | 4.96 | 73,926 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,549 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,833 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,310 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,228 |
| Which City in Europe? | 0 | - | 4.83 | 107,056 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,333 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,927 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,253 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,161 |
| Regions of U.S. States | 0 | - | 4.37 | 43,689 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,001 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,528 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,360 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,815 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,252 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,672 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,513 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,636 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,237 |
| Random Country to Capital | 0 | - | 4.98 | 915,773 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,745 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,944 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,062 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,292 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,269 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 34,987 |
