| Name a Valid European Capital | 0 | - | 4.95 | 151,542 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,723 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,397 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,416 |
| Name a Valid African Country | 0 | - | 4.98 | 153,349 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,799 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,384 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,164 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,622 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,266 |
| Random European Capital to Country | 0 | - | 4.98 | 189,708 |
| Random European Country to Capital | 0 | - | 4.92 | 147,810 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,616 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,744 |
| Random African Capital to Country | 0 | - | 4.97 | 99,990 |
| Random African Country to Capital | 0 | - | 4.94 | 70,457 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,414 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,028 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,475 |
| Europe Capital to Country | 0 | - | 4.99 | 248,745 |
| Asia Capital to Country | 0 | - | 4.96 | 126,110 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,029 |
| European Capitals by Map | 0 | - | 4.99 | 137,534 |
| African Capitals by Map | 0 | - | 4.99 | 132,759 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,674 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,553 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,921 |
| European Coastal Capitals | 0 | - | 4.95 | 90,056 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,333 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,063 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,647 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,560 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,424 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,781 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,172 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,397 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,890 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,039 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,931 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,657 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,531 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,454 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,898 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,772 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,963 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,727 |
| Capitals of the Stans | 0 | - | 4.95 | 26,585 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,471 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,755 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,566 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,690 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,010 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,261 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,883 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,902 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,876 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,253 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,668 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,153 |
| Countries with Megacities | 0 | - | 4.99 | 248,681 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,015 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,474 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,389 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,426 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,379 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,503 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,002 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,994 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,221 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,067 |
| Countries by Capital City | 0 | - | 5.00 | 67,361 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,666 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,197 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,529 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,636 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,922 |
| Moved Capital Cities | 0 | - | 4.96 | 73,839 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,099 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,841 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,332 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,088 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,566 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,355 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,243 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,800 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,265 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,050 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,049 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,598 |
| Resort Towns by Country | 0 | - | 4.30 | 39,958 |
| North American Sports Cities | 0 | - | 4.83 | 171,320 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,023 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,994 |
| Name a City - European Countries | 0 | - | 4.91 | 64,775 |
| Cities by Former Name | 0 | - | 4.84 | 91,217 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,191 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,412 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,890 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,422 |
| World Capitals by Map | 0 | - | 5.00 | 284,601 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,929 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,360 |
| Random Country to Capital | 0 | - | 4.98 | 914,521 |
| Capitals Starting With H | 0 | - | 4.90 | 91,668 |
| Capitals Starting With K | 0 | - | 4.85 | 75,904 |
| Capitals Starting With L | 0 | - | 4.81 | 87,096 |
| Capitals Starting With M | 0 | - | 4.93 | 106,516 |
| Capitals Starting With P | 0 | - | 4.88 | 77,405 |
| Capitals Starting With R | 0 | - | 4.87 | 81,181 |
| Capitals Starting With S | 0 | - | 4.89 | 85,031 |
| Capitals Starting With T | 0 | - | 4.84 | 75,506 |
| Capitals Starting With W | 0 | - | 4.89 | 90,821 |
| Capitals Starting With A | 0 | - | 4.97 | 126,862 |
| Capitals Starting With B | 0 | - | 4.89 | 117,562 |
| Capitals Starting With D | 0 | - | 4.93 | 95,650 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,801 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,979 |
| Which City in Europe? | 0 | - | 4.83 | 106,965 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,796 |
| Olympic Host Countries | 0 | - | 4.98 | 199,421 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,202 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,209 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,624 |
| The Only European Country ... | 0 | - | 4.91 | 214,947 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,957 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,209 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,434 |
| Countries of Africa | 0 | - | 5.00 | 2,519,015 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,072 |
| Countries that Beat China | 0 | - | 4.86 | 115,134 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,205 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,632 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,452 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,088 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,769 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,032 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,097 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,715 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,309 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,796 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,302 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,681 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,864 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,584 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,908 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,913 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,627 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,500 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,862 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,738 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,992 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,495 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,191 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,057 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,707 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,074 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,417 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,013 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,496 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,799 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,361 |
| Random European City to Country | 0 | - | 4.69 | 116,911 |
| Random Asian City to Country | 0 | - | 4.56 | 44,430 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,038 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,514 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,620 |
| Former Capitals | 0 | - | 4.88 | 71,261 |
| Capital Cities Chain | 0 | - | 4.84 | 82,194 |
| Coldest World Capitals | 0 | - | 4.95 | 133,192 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,082 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,533 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,294 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,850 |
| Which City in Canada? | 0 | - | 4.82 | 56,837 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,236 |
| Countries of the Middle East | 0 | - | 4.96 | 199,740 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,665 |
| Slavic Countries | 0 | - | 4.96 | 111,184 |
| African Island Countries | 0 | - | 4.96 | 101,105 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,653 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,201 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,556 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,462 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,512 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,471 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,226 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,911 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,669 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,149 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,133 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,076 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,171 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,364 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,474 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,653 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,845 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,625 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,693 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,545 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,787 |
