| North America Capitals Quiz | 0 | - | 4.99 | 222,274 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,689 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,048 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,031 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,009 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,715 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,337 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,037 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,032 |
| Europe Capital to Country | 0 | - | 4.99 | 252,143 |
| Asia Capital to Country | 0 | - | 4.96 | 127,462 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,012 |
| European Capitals by Map | 0 | - | 4.99 | 142,146 |
| African Capitals by Map | 0 | - | 4.99 | 142,239 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,933 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,896 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,208 |
| European Coastal Capitals | 0 | - | 4.95 | 91,330 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,196 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,795 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,835 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,176 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,030 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,254 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,597 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,144 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,407 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,595 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,969 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,726 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,648 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,576 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,460 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,657 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,705 |
| North America Cities by Map | 0 | - | 4.41 | 47,946 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,446 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,825 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,090 |
| Random European Capital to Country | 0 | - | 4.98 | 192,167 |
| Random European Country to Capital | 0 | - | 4.93 | 165,916 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,998 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,451 |
| Random African Capital to Country | 0 | - | 4.97 | 101,368 |
| Random African Country to Capital | 0 | - | 4.95 | 71,761 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,839 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,606 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,168 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,882 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,799 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,031,753 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,704 |
| Canada Provinces and Territories | 0 | - | 5.00 | 346,337 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,665 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,185 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,609 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,504 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,847 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,101 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,222 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,207 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,169 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,271 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,383 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,421 |
| Official Cities in the UK | 0 | - | 4.89 | 286,329 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,945 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,643 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,015 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,689 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,938 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,077 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,061 |
| North American Capitals - Map Quiz | 0 | - | 4.88 | 58,837 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,956 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 65,099 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,898 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,418 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,919 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,803 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,254 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,263 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,867 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 368,701 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,951 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,519 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,290 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,444 |
| Central American Countries | 0 | - | 4.98 | 157,367 |
| Caribbean Countries and Territories | 0 | - | 4.81 | 113,612 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,432 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,540 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 150,664 |
| Mexico States Map Quiz | 0 | - | 4.84 | 105,675 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,501 |
| States of Mexico | 0 | - | 4.96 | 178,324 |
| South American Cities on the Map | 0 | - | 4.52 | 35,557 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,333 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,377 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,982 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,223 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,252 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,173 |
| Countries by Capital City | 0 | - | 5.00 | 69,424 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,870 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,248 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,946 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,826 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,277 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,492 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,555 |
| Moved Capital Cities | 0 | - | 4.96 | 74,658 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,212 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,001 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 16,499 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,035 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,751 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,353 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,572 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,457 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,619 |
| Countries Closest to Canada | 0 | - | 4.91 | 199,504 |
| Pixelated United States Map | 0 | - | 4.88 | 94,827 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 119,092 |
| U.S. States with the Letter Y | 0 | - | 4.86 | 112,296 |
| 10 Southernmost U.S. States | 0 | - | 4.89 | 114,328 |
| U.S. States with Short Names | 0 | - | 4.91 | 150,377 |
| U.S. States that Start with M | 0 | - | 4.93 | 188,397 |
| U.S. States By Population | 0 | - | 4.92 | 154,168 |
| U.S. States that Start with N | 0 | - | 4.95 | 172,248 |
| U.S. States with Longest Names | 0 | - | 4.85 | 44,908 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 83,096 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,543 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 66,112 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 161,065 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 178,240 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,695 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,830 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,658 |
| North American Sports Cities | 0 | - | 4.82 | 173,178 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,563 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,445 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,965 |
| Cities by Former Name | 0 | - | 4.83 | 92,072 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,747 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,991 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,034 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,861 |
| World Capitals by Map | 0 | - | 5.00 | 289,457 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,837 |
| Random Capital to Country | 0 | - | 4.99 | 2,601,933 |
| Random Country to Capital | 0 | - | 4.98 | 928,398 |
| Capitals Starting With H | 0 | - | 4.91 | 93,350 |
| Capitals Starting With K | 0 | - | 4.89 | 84,415 |
| Capitals Starting With M | 0 | - | 4.94 | 109,211 |
| Capitals Starting With P | 0 | - | 4.88 | 79,023 |
| Capitals Starting With R | 0 | - | 4.88 | 82,524 |
| Capitals Starting With S | 0 | - | 4.90 | 86,592 |
| Capitals Starting With T | 0 | - | 4.86 | 76,855 |
| Capitals Starting With W | 0 | - | 4.87 | 91,743 |
| Capitals Starting With A | 0 | - | 4.97 | 129,131 |
| Capitals Starting With B | 0 | - | 4.89 | 119,528 |
| Capitals Starting With D | 0 | - | 4.94 | 97,224 |
| Which City in Europe? | 0 | - | 4.83 | 107,906 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,691 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 102,482 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 83,054 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,736 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,340 |
| American TV Show Settings | 0 | - | 4.37 | 30,702 |
| Cities in European History #1 | 0 | - | 4.63 | 134,627 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,458 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,891 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,955 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,218 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,501 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,462 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,168 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,713 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,323 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,737 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,114 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,230 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,786 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,939 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,524 |
| Random European City to Country | 0 | - | 4.69 | 118,476 |
| Random Asian City to Country | 0 | - | 4.56 | 44,621 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,701 |
| U.S. City Name Etymologies | 0 | - | 4.15 | 21,588 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,593 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,856 |
| Former Capitals | 0 | - | 4.88 | 71,683 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,942 |
| Capital Cities Chain | 0 | - | 4.84 | 83,398 |
| Coldest World Capitals | 0 | - | 4.95 | 134,170 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,165 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,850 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,592 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,244 |
