| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,090 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,361 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,211 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,998 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,327 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,129 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,085 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,819 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,733 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,052 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,703 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,492 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,052 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,128 |
| US States Quiz | 0 | - | 5.00 | 16,932,762 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,991 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,333 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,529 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,198 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,227 |
| US States with an Empty Map | 0 | - | 5.00 | 626,464 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,110 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,646 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,261 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,080 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,006 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,603 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,507 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,919 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,626 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,453 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,965 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,064 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,192 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,603 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,638 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,933 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,416 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,829 |
| Random U.S. City to State | 0 | - | 4.45 | 76,639 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,352 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,914 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,340 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,011 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,646 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,504 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,896 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,858 |
| Random European Capital to Country | 0 | - | 4.98 | 191,590 |
| Random European Country to Capital | 0 | - | 4.93 | 165,494 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,772 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,100 |
| Random African Capital to Country | 0 | - | 4.97 | 100,990 |
| Random African Country to Capital | 0 | - | 4.94 | 71,473 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 18,020 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,191 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,802 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,737 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,431 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,756 |
| U.S. States By Population | 0 | - | 4.92 | 153,814 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,806 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,638 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,581 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,359 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,844 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,957 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,224 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,475 |
| Name a City - European Countries | 0 | - | 4.90 | 65,773 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,294 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,800 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,418 |
| Boroughs of New York City | 0 | - | 4.47 | 84,770 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,009 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,653 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,424 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,602 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,075 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,542 |
| ALL California Cities | 0 | - | 4.37 | 43,136 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,473 |
| Europe Capital to Country | 0 | - | 4.99 | 251,138 |
| Asia Capital to Country | 0 | - | 4.96 | 126,966 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,373 |
| European Capitals by Map | 0 | - | 4.99 | 140,527 |
| African Capitals by Map | 0 | - | 4.99 | 138,051 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,993 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,402 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,742 |
| European Coastal Capitals | 0 | - | 4.95 | 90,920 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,732 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,168 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,837 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,969 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,398 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,049 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,052 |
| Official Cities in the UK | 0 | - | 4.89 | 284,881 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,390 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,873 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,804 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,273 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,630 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,100 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,362 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,634 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,469 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.67 | 11,274 |
| American TV Show Settings | 0 | - | 4.35 | 30,669 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,636 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,514 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,446 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,733 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,817 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,750 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,950 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,350 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,697 |
| US States and State Capitals | 0 | - | 4.99 | 163,805 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,968 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 245,151 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,281 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,180 |
| States of Mexico | 0 | - | 4.96 | 177,105 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,867 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,979 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,924 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,551 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,258 |
| U.S. License Plates Picture Quiz | 0 | - | 4.61 | 53,015 |
| Capitals of the Stans | 0 | - | 4.95 | 26,972 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,660 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,647 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,443 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,132 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,624 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,600 |
| South American Cities on the Map | 0 | - | 4.53 | 35,482 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,556 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,838 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,553 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,692 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,653 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,787 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,289 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,736 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,054 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,076 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,484 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,689 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,718 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,653 |
| Pixelated United States Map | 0 | - | 4.88 | 94,522 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.43 | 32,526 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 54,588 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.48 | 52,331 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 77,196 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 49,135 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,601 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,690 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,709 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,664 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,636 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,779 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,634 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,484 |
| Countries by Capital City | 0 | - | 5.00 | 68,773 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,455 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,892 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,480 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,064 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,484 |
| Moved Capital Cities | 0 | - | 4.96 | 74,406 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,001 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,152 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,045 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,673 |
| Which City in Europe? | 0 | - | 4.83 | 107,653 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,502 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,787 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,953 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,628 |
| Regions of U.S. States | 0 | - | 4.37 | 44,025 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,267 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,607 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,403 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,888 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,330 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,844 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,590 |
| Name a City - U.S. States | 0 | - | 4.38 | 28,680 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,025 |
| Random Country to Capital | 0 | - | 4.98 | 923,781 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,898 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,063 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,735 |
| U.S. States with the Fewest Borders | 0 | - | 4.78 | 114,023 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,332 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,088 |
