| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,953 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,331 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,896 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,285 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,051 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,574 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,581 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,586 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,781 |
| Random European Capital to Country | 0 | - | 4.98 | 191,246 |
| Random European Country to Capital | 0 | - | 4.93 | 165,367 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,583 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,950 |
| Random African Capital to Country | 0 | - | 4.97 | 100,870 |
| Random African Country to Capital | 0 | - | 4.94 | 71,366 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,144 |
| Europe Capital to Country | 0 | - | 4.99 | 250,825 |
| Asia Capital to Country | 0 | - | 4.96 | 126,849 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,179 |
| European Capitals by Map | 0 | - | 4.99 | 139,904 |
| African Capitals by Map | 0 | - | 4.99 | 134,133 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,616 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,279 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,614 |
| European Coastal Capitals | 0 | - | 4.95 | 90,793 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,663 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,770 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,505 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,911 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,441 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,524 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,692 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,201 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,510 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,011 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,279 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,242 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,541 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,397 |
| Monarchies of Europe | 0 | - | 4.90 | 98,333 |
| Monarchies of Asia | 0 | - | 4.97 | 71,210 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,008 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,556 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,427 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,234 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,374 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,683 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,739 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,776 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,794 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 135,406 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,366 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,300 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,228 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,158 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,136 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,968 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,883 |
| Countries with Megacities | 0 | - | 4.99 | 264,548 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,736 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,466 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,994 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,540 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,462 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,522 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,541 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,668 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,474 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,289 |
| Countries by Capital City | 0 | - | 5.00 | 68,611 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,362 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,800 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,083 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,397 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,388 |
| Moved Capital Cities | 0 | - | 4.96 | 74,332 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,665 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,745 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,454 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,337 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,398 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,412 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,984 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,936 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,926 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,182 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,144 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,552 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,729 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,217 |
| North American Sports Cities | 0 | - | 4.83 | 172,628 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,386 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,269 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,969 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,532 |
| Name a City - European Countries | 0 | - | 4.90 | 65,599 |
| Cities by Former Name | 0 | - | 4.83 | 91,709 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,476 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,748 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,042 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,941 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,384 |
| World Capitals by Map | 0 | - | 5.00 | 287,393 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,454 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,411 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,933 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,075 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,920 |
| Random Country to Capital | 0 | - | 4.98 | 922,645 |
| Capitals Starting With H | 0 | - | 4.91 | 92,711 |
| Capitals Starting With K | 0 | - | 4.88 | 83,759 |
| Capitals Starting With L | 0 | - | 4.81 | 88,240 |
| Capitals Starting With M | 0 | - | 4.93 | 108,047 |
| Capitals Starting With P | 0 | - | 4.88 | 78,336 |
| Capitals Starting With R | 0 | - | 4.87 | 81,968 |
| Capitals Starting With S | 0 | - | 4.90 | 85,943 |
| Capitals Starting With T | 0 | - | 4.84 | 76,297 |
| Capitals Starting With W | 0 | - | 4.86 | 91,389 |
| Capitals Starting With A | 0 | - | 4.97 | 128,274 |
| Capitals Starting With B | 0 | - | 4.89 | 118,692 |
| Capitals Starting With D | 0 | - | 4.93 | 96,612 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,298 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,183 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,513 |
| Olympic Host Countries | 0 | - | 4.98 | 201,089 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,080 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,644 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,646 |
| The Only European Country ... | 0 | - | 4.91 | 217,335 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,752 |
| Hindu Countries | 0 | - | 4.86 | 50,291 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,535 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,734 |
| Countries of Africa | 0 | - | 5.00 | 2,544,162 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,531 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,875 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,192 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,890 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,407 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,860 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,698 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,718 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,143 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,326 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,481 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,185 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,217 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,496 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,297 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,904 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,334 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,638 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,401 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,260 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,479 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,944 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,171 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,618 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,938 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,174 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,474 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,366 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,076 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,925 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,400 |
| Former Capitals | 0 | - | 4.88 | 71,514 |
| Capital Cities Chain | 0 | - | 4.83 | 82,932 |
| Coldest World Capitals | 0 | - | 4.95 | 133,649 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,755 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,920 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,101 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,218 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,529 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,575 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,319 |
| Countries of the Middle East | 0 | - | 4.96 | 201,634 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,538 |
| Slavic Countries | 0 | - | 4.96 | 111,869 |
| African Island Countries | 0 | - | 4.96 | 101,856 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,954 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,491 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,598 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,406 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,181 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,343 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,548 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,208 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,756 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,804 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,603 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,307 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,897 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,993 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,702 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,385 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,412 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,777 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,458 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,351 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,212 |
