| Name a Valid European Capital | 0 | - | 4.95 | 151,519 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,711 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,333 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,405 |
| Name a Valid African Country | 0 | - | 4.98 | 153,330 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,774 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,372 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,999 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,533 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,259 |
| Random European Capital to Country | 0 | - | 4.98 | 189,690 |
| Random European Country to Capital | 0 | - | 4.92 | 147,788 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,610 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,730 |
| Random African Capital to Country | 0 | - | 4.97 | 99,977 |
| Random African Country to Capital | 0 | - | 4.94 | 70,451 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,394 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,845 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,870 |
| Europe Capital to Country | 0 | - | 4.99 | 248,698 |
| Asia Capital to Country | 0 | - | 4.96 | 126,095 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,994 |
| European Capitals by Map | 0 | - | 4.99 | 137,490 |
| African Capitals by Map | 0 | - | 4.99 | 132,731 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,658 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,546 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,915 |
| European Coastal Capitals | 0 | - | 4.95 | 90,047 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,324 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,019 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,622 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,557 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,420 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,774 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,161 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,389 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,820 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,997 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,913 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,651 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,514 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,439 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,889 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,761 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,958 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,715 |
| Capitals of the Stans | 0 | - | 4.95 | 26,575 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,398 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,436 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,544 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,681 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,991 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,252 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,866 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,889 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,870 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,080 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,633 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,126 |
| Countries with Megacities | 0 | - | 4.99 | 248,631 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,992 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,463 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,371 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,415 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,357 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,476 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,988 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,966 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,194 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,043 |
| Countries by Capital City | 0 | - | 5.00 | 67,324 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,653 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,189 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,484 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,627 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,916 |
| Moved Capital Cities | 0 | - | 4.96 | 73,826 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,073 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,823 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,327 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,084 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,557 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,346 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,234 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,767 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,253 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,037 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,037 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,586 |
| Resort Towns by Country | 0 | - | 4.30 | 39,956 |
| North American Sports Cities | 0 | - | 4.83 | 171,308 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,020 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,986 |
| Name a City - European Countries | 0 | - | 4.91 | 64,765 |
| Cities by Former Name | 0 | - | 4.84 | 91,210 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,182 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,406 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,886 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,395 |
| World Capitals by Map | 0 | - | 5.00 | 284,551 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,920 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,071 |
| Random Country to Capital | 0 | - | 4.98 | 914,422 |
| Capitals Starting With H | 0 | - | 4.90 | 91,659 |
| Capitals Starting With K | 0 | - | 4.85 | 75,900 |
| Capitals Starting With L | 0 | - | 4.81 | 87,086 |
| Capitals Starting With M | 0 | - | 4.93 | 106,499 |
| Capitals Starting With P | 0 | - | 4.88 | 77,401 |
| Capitals Starting With R | 0 | - | 4.87 | 81,172 |
| Capitals Starting With S | 0 | - | 4.89 | 85,026 |
| Capitals Starting With T | 0 | - | 4.84 | 75,494 |
| Capitals Starting With W | 0 | - | 4.89 | 90,817 |
| Capitals Starting With A | 0 | - | 4.97 | 126,848 |
| Capitals Starting With B | 0 | - | 4.89 | 117,555 |
| Capitals Starting With D | 0 | - | 4.93 | 95,639 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,790 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,976 |
| Which City in Europe? | 0 | - | 4.83 | 106,962 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,761 |
| Olympic Host Countries | 0 | - | 4.98 | 199,397 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,189 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,185 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,549 |
| The Only European Country ... | 0 | - | 4.91 | 214,903 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,916 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,183 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,425 |
| Countries of Africa | 0 | - | 5.00 | 2,518,475 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,062 |
| Countries that Beat China | 0 | - | 4.86 | 115,118 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,200 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,626 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,447 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,079 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,763 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,010 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,054 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,702 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,304 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,778 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,292 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,677 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,855 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,573 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,889 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,895 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,618 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,494 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,856 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,736 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,984 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,479 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,191 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,033 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,703 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,072 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,414 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,989 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,483 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,773 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,338 |
| Random European City to Country | 0 | - | 4.69 | 116,892 |
| Random Asian City to Country | 0 | - | 4.56 | 44,429 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,025 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,512 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,608 |
| Former Capitals | 0 | - | 4.88 | 71,258 |
| Capital Cities Chain | 0 | - | 4.84 | 82,181 |
| Coldest World Capitals | 0 | - | 4.95 | 133,187 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,071 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,527 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,287 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,840 |
| Which City in Canada? | 0 | - | 4.82 | 56,831 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,197 |
| Countries of the Middle East | 0 | - | 4.96 | 199,706 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,645 |
| Slavic Countries | 0 | - | 4.96 | 111,177 |
| African Island Countries | 0 | - | 4.96 | 101,095 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,642 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,180 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,540 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,452 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,500 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,281 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,207 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,900 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,644 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,134 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,108 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,060 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,152 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,361 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,461 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,637 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,836 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,607 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,682 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,535 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,774 |
