| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,939 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,387 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,604 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,530 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,505 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,879 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,145 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,641 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,925 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,159 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,649 |
| Name a City - European Countries | 0 | - | 4.92 | 64,599 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,520 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,049 |
| World Capitals by Map | 0 | - | 5.00 | 283,931 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,777 |
| United States Map Quiz | 0 | - | 4.98 | 4,144,082 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,484 |
| Pixelated United States Map | 0 | - | 4.89 | 93,606 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,724 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 636,630 |
| Canada Provinces and Territories | 0 | - | 5.00 | 338,608 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,588 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,926 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,050 |
| South American Cities on the Map | 0 | - | 4.57 | 35,265 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,849 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,073 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,491 |
| Europe Capital to Country | 0 | - | 4.99 | 248,258 |
| Asia Capital to Country | 0 | - | 4.96 | 125,886 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,715 |
| European Capitals by Map | 0 | - | 4.99 | 136,855 |
| African Capitals by Map | 0 | - | 4.99 | 132,381 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,403 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,364 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,757 |
| European Coastal Capitals | 0 | - | 4.95 | 89,906 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,245 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,423 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,182 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,475 |
| Official Cities in the UK | 0 | - | 4.89 | 281,049 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,580 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,223 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,591 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,820 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,470 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,033 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,942 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,281 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,772 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,534 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,300 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,288 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,783 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,624 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,860 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 900,124 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,122 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 74,970 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,030 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,649 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,407 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,525 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,375 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,041 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,375 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,982 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,183 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,751 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,755 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,567 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,934 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,672 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,548 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,345 |
| Central American Countries | 0 | - | 4.98 | 155,204 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,773 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,355 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 146,215 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,959 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,283 |
| States of Mexico | 0 | - | 4.95 | 173,775 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,123 |
| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,269 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,015 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,606 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,222 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,837 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,791 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,925 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,751 |
| Countries by Capital City | 0 | - | 5.00 | 66,972 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,493 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,032 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,867 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,513 |
| Moved Capital Cities | 0 | - | 4.96 | 73,709 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,805,026 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,593,052 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,412 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,402 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,612 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,252 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,167 |
| Random European Capital to Country | 0 | - | 4.98 | 189,412 |
| Random European Country to Capital | 0 | - | 4.92 | 147,611 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,482 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,561 |
| Random African Capital to Country | 0 | - | 4.97 | 99,804 |
| Random African Country to Capital | 0 | - | 4.94 | 70,313 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,966 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,641 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,970 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,486 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,897 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,511 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,563 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,851 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,105 |
| U.S. States By Population | 0 | - | 4.92 | 152,501 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,546 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,962 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 81,972 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,691 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,820 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,987 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,194 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,165 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 124,588 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,126 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 85,736 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.84 | 66,921 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,228 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,246 |
| North American Sports Cities | 0 | - | 4.83 | 171,056 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,958 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,185 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,854 |
| Cities by Former Name | 0 | - | 4.84 | 91,073 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,765 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,317 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,836 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,133 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,986 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,347 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,695 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,987 |
| Random Country to Capital | 0 | - | 4.98 | 912,790 |
| Capitals Starting With H | 0 | - | 4.90 | 91,456 |
| Capitals Starting With K | 0 | - | 4.85 | 75,804 |
| Capitals Starting With L | 0 | - | 4.81 | 86,967 |
| Capitals Starting With M | 0 | - | 4.93 | 106,289 |
| Capitals Starting With P | 0 | - | 4.88 | 77,299 |
| Capitals Starting With R | 0 | - | 4.87 | 81,073 |
| Capitals Starting With S | 0 | - | 4.89 | 84,928 |
| Capitals Starting With T | 0 | - | 4.84 | 75,397 |
| Capitals Starting With W | 0 | - | 4.89 | 90,716 |
| Capitals Starting With A | 0 | - | 4.97 | 126,704 |
| Capitals Starting With B | 0 | - | 4.89 | 117,424 |
| Capitals Starting With D | 0 | - | 4.93 | 95,515 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 128,912 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,049 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,131 |
| Which City in Europe? | 0 | - | 4.83 | 106,844 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,700 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 193,446 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 149,202 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,750 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,183 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,335 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,221 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,014 |
| African East Coast | 0 | - | 4.96 | 95,191 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,210 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,835 |
| American TV Show Settings | 0 | - | 4.35 | 30,598 |
| Cities in European History #1 | 0 | - | 4.63 | 133,306 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,548 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,766 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,445 |
| Megacities on a World Map | 0 | - | 4.98 | 251,428 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,997 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,046 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,176 |
| Southernmost Major Cities | 0 | - | 4.48 | 56,371 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,646 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,041 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,351 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,315 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,385 |
| Random European City to Country | 0 | - | 4.69 | 116,762 |
| Random Asian City to Country | 0 | - | 4.56 | 44,411 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,830 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,481 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,404 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,396 |
| Former Capitals | 0 | - | 4.88 | 71,195 |
| Capital Cities Chain | 0 | - | 4.84 | 82,028 |
