| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,930 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,830 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,948 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,472 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,970 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,415 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,626 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,305 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,655 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,399 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,614 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,048 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,916 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,216 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,083 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,933 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,590 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,809 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,187 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,299 |
| US States Quiz | 0 | - | 5.00 | 16,992,144 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,618 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,377 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,997 |
| Random U.S. City to State | 0 | - | 4.45 | 76,900 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,100 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,538 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,693 |
| Name a City - European Countries | 0 | - | 4.90 | 66,148 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,059 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,256 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,283 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,327 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,342 |
| U.S. States By Population | 0 | - | 4.92 | 154,121 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,204 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,875 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,850 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,533 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,081 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,514 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,813 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,592 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,137 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,857 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,783 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,439 |
| Boroughs of New York City | 0 | - | 4.47 | 85,315 |
| US States with an Empty Map | 0 | - | 5.00 | 628,554 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,441 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,033 |
| Europe Capital to Country | 0 | - | 4.99 | 252,024 |
| Asia Capital to Country | 0 | - | 4.96 | 127,368 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,938 |
| European Capitals by Map | 0 | - | 4.99 | 142,031 |
| African Capitals by Map | 0 | - | 4.99 | 142,093 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,884 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,846 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,162 |
| European Coastal Capitals | 0 | - | 4.95 | 91,287 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,605 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,737 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,155 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,217 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,093 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,275 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,187 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,730 |
| ALL California Cities | 0 | - | 4.37 | 43,234 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,498 |
| World Capitals Quiz | 0 | - | 5.00 | 5,104,937 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,500 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,815 |
| Official Cities in the UK | 0 | - | 4.89 | 286,163 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,047 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,131 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,566 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,384 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,573 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,697 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,770 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,234 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,254 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,091 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,705 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,073 |
| Capitals of the Stans | 0 | - | 4.95 | 27,134 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,330 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,691 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,490 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,146 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,838 |
| American TV Show Settings | 0 | - | 4.37 | 30,701 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,908 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,131 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,879 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,584 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,549 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,668 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,302 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,106 |
| US States and State Capitals | 0 | - | 4.99 | 165,294 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,380 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,402 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,591 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,460 |
| States of Mexico | 0 | - | 4.96 | 178,194 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 335,298 |
| U.S. States with the Highest Population Density | 0 | - | 4.47 | 68,492 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,148 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,051 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,013 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,570 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,432 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,162 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,897 |
| South American Cities on the Map | 0 | - | 4.52 | 35,549 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,278 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,592 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,931 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,584 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,330 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,960 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,182 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,204 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,112 |
| Countries by Capital City | 0 | - | 5.00 | 69,358 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,840 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,208 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,780 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,795 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,809 |
| Moved Capital Cities | 0 | - | 4.96 | 74,635 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,044 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,801 |
| Random European Capital to Country | 0 | - | 4.98 | 192,108 |
| Random European Country to Capital | 0 | - | 4.93 | 165,867 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,973 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,407 |
| Random African Capital to Country | 0 | - | 4.97 | 101,329 |
| Random African Country to Capital | 0 | - | 4.95 | 71,738 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,695 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,269 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,525 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,430 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,613 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,447 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,810 |
| Pixelated United States Map | 0 | - | 4.88 | 94,800 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,683 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,142 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,255 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,357 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,382 |
| Which City in Europe? | 0 | - | 4.83 | 107,874 |
| Neighborhoods of New York City | 0 | - | 4.38 | 30,587 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,199 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,638 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,986 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,443 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,386 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,019 |
| New England States | 0 | - | 4.51 | 59,893 |
| U.S. States by Land Area | 0 | - | 4.55 | 53,053 |
| Top 10 U.S. States by Inland Water Area | 0 | - | 4.53 | 38,117 |
| Add a Letter - Make a U.S. State | 0 | - | 4.70 | 83,136 |
| Top 10 Widest U.S. States East to West | 0 | - | 4.70 | 56,276 |
| Top 10 Tallest U.S. States North to South | 0 | - | 4.75 | 41,137 |
| U.S. States by Borders | 0 | - | 4.62 | 35,474 |
| Save Americans by Guessing U.S. States | 0 | - | 4.61 | 188,774 |
| 10 Easternmost U.S. States | 0 | - | 4.53 | 56,677 |
| The Only U.S. State ... #1 | 0 | - | 4.52 | 102,330 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,418 |
| North American Sports Cities | 0 | - | 4.83 | 173,132 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,556 |
| Cities in European History #1 | 0 | - | 4.63 | 134,594 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,931 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,446 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,877 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,951 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,635 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,215 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,938 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,472 |
| Name a Valid World City | 0 | - | 4.85 | 71,965 |
| Cities by Former Name | 0 | - | 4.83 | 92,031 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,679 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,974 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,808 |
| World Capitals by Map | 0 | - | 5.00 | 289,270 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,810 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,254 |
| Random Country to Capital | 0 | - | 4.98 | 927,810 |
| Capitals Starting With H | 0 | - | 4.91 | 93,325 |
| Capitals Starting With K | 0 | - | 4.89 | 84,390 |
| Capitals Starting With M | 0 | - | 4.94 | 109,163 |
| Capitals Starting With P | 0 | - | 4.88 | 78,997 |
| Capitals Starting With R | 0 | - | 4.88 | 82,497 |
| Capitals Starting With S | 0 | - | 4.90 | 86,561 |
