| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,052 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,908 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,753 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,499 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,177 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,907 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,248 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,159 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,192 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,637 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,846 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,096 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,069 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,591 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,429 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,488 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,384 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,738 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,987 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,129 |
| US States Quiz | 0 | - | 5.00 | 16,899,374 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 367,313 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,933 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,512 |
| Random U.S. City to State | 0 | - | 4.45 | 76,379 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,812 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,819 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,042 |
| Name a City - European Countries | 0 | - | 4.90 | 65,512 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 118,036 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,581 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 113,566 |
| U.S. States with Short Names | 0 | - | 4.91 | 149,179 |
| U.S. States that Start with M | 0 | - | 4.93 | 187,478 |
| U.S. States By Population | 0 | - | 4.92 | 153,657 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,596 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,530 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,424 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,271 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,718 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,446 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,514 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,084 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,066 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,790 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,704 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,407 |
| Boroughs of New York City | 0 | - | 4.47 | 84,671 |
| US States with an Empty Map | 0 | - | 5.00 | 625,399 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,846 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,276 |
| Europe Capital to Country | 0 | - | 4.99 | 250,644 |
| Asia Capital to Country | 0 | - | 4.96 | 126,769 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,063 |
| European Capitals by Map | 0 | - | 4.99 | 139,667 |
| African Capitals by Map | 0 | - | 4.99 | 134,052 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,560 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,210 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,547 |
| European Coastal Capitals | 0 | - | 4.95 | 90,725 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,635 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,500 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,310 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,885 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,102 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,245 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,749 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,377 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,540 |
| ALL California Cities | 0 | - | 4.37 | 43,088 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,460 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,857 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,245 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,225 |
| Official Cities in the UK | 0 | - | 4.89 | 284,230 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,600 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,268 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,136 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,940 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,243 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,356 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,446 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,168 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,209 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,968 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,569 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,989 |
| Capitals of the Stans | 0 | - | 4.95 | 26,884 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,176 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,604 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,420 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,022 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,167 |
| American TV Show Settings | 0 | - | 4.35 | 30,658 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,288 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,762 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,780 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,567 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,240 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,637 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,246 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,072 |
| US States and State Capitals | 0 | - | 4.99 | 163,062 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,772 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,505 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,893 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,034 |
| States of Mexico | 0 | - | 4.96 | 176,474 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,672 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,398 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,866 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,455 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,443 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,592 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,951 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,285 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,396 |
| South American Cities on the Map | 0 | - | 4.53 | 35,446 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,345 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,539 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,825 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,540 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,437 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,493 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,606 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,369 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,187 |
| Countries by Capital City | 0 | - | 5.00 | 68,497 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,278 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,752 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,832 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,322 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,565 |
| Moved Capital Cities | 0 | - | 4.96 | 74,286 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,737 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,610 |
| Random European Capital to Country | 0 | - | 4.98 | 191,078 |
| Random European Country to Capital | 0 | - | 4.93 | 165,291 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,544 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,868 |
| Random African Capital to Country | 0 | - | 4.97 | 100,805 |
| Random African Country to Capital | 0 | - | 4.94 | 71,328 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,132 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,449 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 109,836 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,903 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,431 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,482 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,613 |
| Pixelated United States Map | 0 | - | 4.87 | 94,382 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,084 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,027 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,895 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,040 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,849 |
| Which City in Europe? | 0 | - | 4.83 | 107,494 |
| Neighborhoods of New York City | 0 | - | 4.37 | 30,456 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,579 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,674 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,234 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,866 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,208 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,557 |
| New England States | 0 | - | 4.51 | 59,824 |
| U.S. States by Land Area | 0 | - | 4.61 | 52,854 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,025 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 82,871 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,063 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.74 | 40,971 |
| U.S. States by Borders | 0 | - | 4.61 | 35,352 |
| Save Americans by Guessing U.S. States | 0 | - | 4.63 | 186,138 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,511 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,108 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,985 |
| North American Sports Cities | 0 | - | 4.83 | 172,537 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,367 |
| Cities in European History #1 | 0 | - | 4.63 | 134,127 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,794 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,369 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,780 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,894 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,573 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,143 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,481 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,936 |
| Name a Valid World City | 0 | - | 4.83 | 71,359 |
| Cities by Former Name | 0 | - | 4.83 | 91,647 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,444 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,716 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,319 |
| World Capitals by Map | 0 | - | 5.00 | 287,135 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,404 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,240 |
| Random Country to Capital | 0 | - | 4.98 | 921,811 |
| Capitals Starting With H | 0 | - | 4.91 | 92,663 |
| Capitals Starting With K | 0 | - | 4.88 | 83,695 |
| Capitals Starting With L | 0 | - | 4.81 | 88,193 |
| Capitals Starting With M | 0 | - | 4.93 | 107,973 |
| Capitals Starting With P | 0 | - | 4.88 | 78,298 |
| Capitals Starting With R | 0 | - | 4.87 | 81,934 |
