| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,567 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,462 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,038 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,290 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,235 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,742 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,676 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,426 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 62,778 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,539 |
| Name a City - European Countries | 0 | - | 4.92 | 64,258 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,303 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,745 |
| World Capitals by Map | 0 | - | 5.00 | 282,780 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,595 |
| United States Map Quiz | 0 | - | 4.98 | 4,139,454 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,442 |
| Pixelated United States Map | 0 | - | 4.89 | 93,273 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,282 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 635,264 |
| Canada Provinces and Territories | 0 | - | 5.00 | 337,216 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,213 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,971 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,661 |
| South American Cities on the Map | 0 | - | 4.57 | 35,223 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,584 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,636 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,169 |
| Europe Capital to Country | 0 | - | 4.99 | 247,262 |
| Asia Capital to Country | 0 | - | 4.96 | 125,604 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,269 |
| European Capitals by Map | 0 | - | 4.99 | 135,899 |
| African Capitals by Map | 0 | - | 4.99 | 132,037 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,950 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,062 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,519 |
| European Coastal Capitals | 0 | - | 4.95 | 89,628 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,141 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,333 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,511 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Official Cities in the UK | 0 | - | 4.89 | 280,102 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,513 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,175 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,543 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,790 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,444 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,000 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,582 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,111 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,525 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 117,999 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,070 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,361 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,693 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 899,467 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 56,848 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,736 |
| U.S. State Border Crossings | 0 | - | 4.97 | 95,827 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,767 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,035 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,077 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,504 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,626 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,730 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,664 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,558 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,603 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,451 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,884 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,484 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,334 |
| Central American Countries | 0 | - | 4.98 | 154,903 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,502 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 239,920 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 145,541 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,664 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,345 |
| States of Mexico | 0 | - | 4.95 | 173,000 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 52,757 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,032 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,562 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,564 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,803 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,558 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,506 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,473 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,202 |
| Countries by Capital City | 0 | - | 5.00 | 66,443 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,218 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,802 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,918 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,329 |
| Moved Capital Cities | 0 | - | 4.96 | 73,504 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,797,159 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,583,222 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,394 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,963 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,148 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,945 |
| Random European Capital to Country | 0 | - | 4.98 | 189,042 |
| Random European Country to Capital | 0 | - | 4.92 | 147,327 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,262 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,324 |
| Random African Capital to Country | 0 | - | 4.97 | 99,667 |
| Random African Country to Capital | 0 | - | 4.94 | 70,148 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,617 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,264 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,701 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,224 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,564 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,195 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,255 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,468 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,733 |
| U.S. States By Population | 0 | - | 4.92 | 152,243 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,233 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,766 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,830 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,437 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,699 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,778 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 158,761 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,024 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,388 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,015 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,602 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,722 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,025 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,190 |
| North American Sports Cities | 0 | - | 4.83 | 170,741 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,877 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,631 |
| Cities by Former Name | 0 | - | 4.84 | 90,859 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,631 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,183 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,770 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,760 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,047 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,573 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,736 |
| Random Country to Capital | 0 | - | 4.98 | 910,397 |
| Capitals Starting With H | 0 | - | 4.90 | 88,133 |
| Capitals Starting With K | 0 | - | 4.85 | 75,445 |
| Capitals Starting With M | 0 | - | 4.93 | 105,727 |
| Capitals Starting With P | 0 | - | 4.88 | 76,968 |
| Capitals Starting With R | 0 | - | 4.87 | 80,772 |
| Capitals Starting With S | 0 | - | 4.89 | 84,572 |
| Capitals Starting With T | 0 | - | 4.84 | 75,111 |
| Capitals Starting With W | 0 | - | 4.89 | 90,434 |
| Capitals Starting With A | 0 | - | 4.97 | 126,235 |
| Capitals Starting With B | 0 | - | 4.89 | 117,002 |
| Capitals Starting With D | 0 | - | 4.93 | 95,095 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,733 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,015 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,116 |
| Which City in Europe? | 0 | - | 4.83 | 106,539 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,291 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,855 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,554 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,369 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,953 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,240 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,145 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,854 |
| African East Coast | 0 | - | 4.96 | 94,902 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,174 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,745 |
| American TV Show Settings | 0 | - | 4.35 | 30,577 |
| Cities in European History #1 | 0 | - | 4.63 | 132,945 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,379 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,664 |
| Megacities on a World Map | 0 | - | 4.98 | 250,131 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,734 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,452 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,135 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,051 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,537 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,009 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,255 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,078 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,843 |
| Random European City to Country | 0 | - | 4.69 | 116,213 |
| Random Asian City to Country | 0 | - | 4.56 | 44,376 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,481 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,463 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,262 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,930 |
| Former Capitals | 0 | - | 4.88 | 71,074 |
| Capital Cities Chain | 0 | - | 4.84 | 81,795 |
| Coldest World Capitals | 0 | - | 4.95 | 132,979 |
