| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,481 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,017 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,618 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,491 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,536 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,009 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,744 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,647 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,326 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,797 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,761 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,662 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,034 |
| US States Quiz | 0 | - | 5.00 | 16,831,156 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,825 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,898 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,264 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,111 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,169 |
| US States with an Empty Map | 0 | - | 5.00 | 623,247 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,414 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,614 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,221 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,048 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,894 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,496 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,726 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,384 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,893 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,258 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,383 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,865 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,032 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,329 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,423 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,593 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,800 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,221 |
| Random U.S. City to State | 0 | - | 4.45 | 76,108 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,207 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,616 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,820 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,942 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,826 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,957 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,203 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,546 |
| Random European Capital to Country | 0 | - | 4.98 | 190,622 |
| Random European Country to Capital | 0 | - | 4.93 | 164,572 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,212 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,594 |
| Random African Capital to Country | 0 | - | 4.97 | 100,480 |
| Random African Country to Capital | 0 | - | 4.94 | 71,087 |
| U.S. State Capitals Furthest from the State Border | 0 | - | 4.19 | 17,999 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,640 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,162 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,203 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,688 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,960 |
| U.S. States By Population | 0 | - | 4.92 | 153,005 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,185 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,313 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,125 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,101 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,459 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,634 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,065 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,384 |
| Name a City - European Countries | 0 | - | 4.90 | 65,187 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,833 |
| U.S. State Capital Superlatives - Top 2 | 0 | - | 4.36 | 21,764 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,386 |
| Boroughs of New York City | 0 | - | 4.47 | 84,479 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,596 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,336 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,357 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,412 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,400 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,815 |
| ALL California Cities | 0 | - | 4.37 | 42,987 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,445 |
| Europe Capital to Country | 0 | - | 4.99 | 249,551 |
| Asia Capital to Country | 0 | - | 4.96 | 126,469 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,571 |
| European Capitals by Map | 0 | - | 4.99 | 138,549 |
| African Capitals by Map | 0 | - | 4.99 | 133,360 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,069 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,871 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,228 |
| European Coastal Capitals | 0 | - | 4.95 | 90,374 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,498 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,143 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,544 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,740 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,477 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,394 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,833 |
| Official Cities in the UK | 0 | - | 4.89 | 283,043 |
| World Capitals Quiz | 0 | - | 5.00 | 5,062,879 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,066 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,239 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,884 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,977 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,688 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,071 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,085 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,163 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,093 |
| American TV Show Settings | 0 | - | 4.35 | 30,634 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,560 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,929 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,373 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,013 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,725 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,351 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,058 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,047 |
| Most Guessed US State Capitals | 0 | - | 4.37 | 24,628 |
| US States and State Capitals | 0 | - | 4.99 | 161,265 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,320 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,210 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,465 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,789 |
| States of Mexico | 0 | - | 4.95 | 175,499 |
| U.S. States with the Longest International Borders | 0 | - | 4.78 | 45,748 |
| Longest U.S. State Borders | 0 | - | 4.67 | 39,711 |
| U.S. States with the Fewest Immigrants | 0 | - | 4.63 | 65,700 |
| U.S. States with the Highest Percentage of Farmland | 0 | - | 4.80 | 65,434 |
| U.S. States with the Lowest Percentage of Farmland | 0 | - | 4.74 | 55,145 |
| U.S. License Plates Picture Quiz | 0 | - | 4.59 | 52,846 |
| Capitals of the Stans | 0 | - | 4.95 | 26,738 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,021 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,052 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,225 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,566 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,472 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,034 |
| South American Cities on the Map | 0 | - | 4.56 | 35,385 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,513 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,731 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,514 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,582,609 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,442 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,703 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,191 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,791 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,340 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,510 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,256 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,022 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,317 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,065 |
| Pixelated United States Map | 0 | - | 4.87 | 94,068 |
| States and Provinces that touch the Rocky Mountains | 0 | - | 4.42 | 32,476 |
| 10 U.S. States With The Highest Murder Rates | 0 | - | 4.47 | 53,929 |
| 10 U.S. States With The Lowest Murder Rates | 0 | - | 4.51 | 41,980 |
| Name a Valid U.S. State #2 | 0 | - | 4.63 | 76,898 |
| Name a Valid U.S. State #3 | 0 | - | 4.78 | 48,958 |
| U.S. State Superlatives #1 | 0 | - | 4.47 | 87,468 |
| U.S. State Superlatives #2 | 0 | - | 4.53 | 40,593 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,836 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,940 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,230 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,259 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,953 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,607 |
| Countries by Capital City | 0 | - | 5.00 | 67,905 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,963 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,456 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,607 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,958 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,954 |
| Moved Capital Cities | 0 | - | 4.96 | 74,050 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,642 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,902 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,472 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,398 |
| Which City in Europe? | 0 | - | 4.83 | 107,158 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,376 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,135 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,536 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,290 |
| Regions of U.S. States | 0 | - | 4.37 | 43,793 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,106 |
| 10 U.S. States with the Most Valuable Crops | 0 | - | 4.41 | 29,550 |
| States, Provinces & Territories that Touch the Appalachian Mountains | 0 | - | 4.59 | 20,369 |
| U.S. States with the Lowest HDI | 0 | - | 4.47 | 28,832 |
| Which U.S. State - Multiple Choice | 0 | - | 4.48 | 20,271 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,715 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,534 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,669 |
| Random Capital to Country | 0 | - | 4.99 | 2,587,962 |
| Random Country to Capital | 0 | - | 4.98 | 918,259 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,782 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,986 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,227 |
| U.S. States with the Fewest Borders | 0 | - | 4.77 | 113,394 |
| U.S. States with the Most Borders | 0 | - | 4.53 | 62,291 |
| Walking Across U.S. State Borders with Hints | 0 | - | 4.74 | 35,022 |
