| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,873 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,412 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,195 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,801 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,552 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,708 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,593 |
| Random European Capital to Country | 0 | - | 4.98 | 190,734 |
| Random European Country to Capital | 0 | - | 4.93 | 164,909 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,335 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,663 |
| Random African Capital to Country | 0 | - | 4.97 | 100,575 |
| Random African Country to Capital | 0 | - | 4.94 | 71,127 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,072 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,948 |
| Europe Capital to Country | 0 | - | 4.99 | 249,760 |
| Asia Capital to Country | 0 | - | 4.96 | 126,544 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,707 |
| European Capitals by Map | 0 | - | 4.99 | 138,811 |
| African Capitals by Map | 0 | - | 4.99 | 133,522 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,177 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,959 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,305 |
| European Coastal Capitals | 0 | - | 4.95 | 90,460 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,530 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,482 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,715 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,778 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,696 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,939 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,565 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,745 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,362 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,354 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,947 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,088 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,754 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,117 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,208 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,218 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,138 |
| Capitals of the Stans | 0 | - | 4.95 | 26,795 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,463 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,044 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,915 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,963 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,691 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,094 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,400 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,871 |
| Name a Valid African Country | 0 | - | 4.98 | 153,902 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,489 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,105 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,919 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,172 |
| Countries with Megacities | 0 | - | 4.99 | 261,899 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,034 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,079 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,332 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,114 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,960 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,047 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,287 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,353 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,056 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,758 |
| Countries by Capital City | 0 | - | 5.00 | 68,038 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,039 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,527 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,884 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,030 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,109 |
| Moved Capital Cities | 0 | - | 4.96 | 74,104 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,589 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,466 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,113 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,311 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,472 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,946 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,908 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,674 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,603 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,539 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,746 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,317 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,436 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,987 |
| Resort Towns by Country | 0 | - | 4.30 | 40,005 |
| North American Sports Cities | 0 | - | 4.83 | 172,223 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,282 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,298 |
| Name a City - European Countries | 0 | - | 4.90 | 65,270 |
| Cities by Former Name | 0 | - | 4.83 | 91,484 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,348 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,606 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,972 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,009 |
| World Capitals by Map | 0 | - | 5.00 | 285,840 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,213 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,196 |
| Random Country to Capital | 0 | - | 4.98 | 919,226 |
| Capitals Starting With H | 0 | - | 4.91 | 92,395 |
| Capitals Starting With K | 0 | - | 4.88 | 83,005 |
| Capitals Starting With L | 0 | - | 4.81 | 87,912 |
| Capitals Starting With M | 0 | - | 4.93 | 107,566 |
| Capitals Starting With P | 0 | - | 4.88 | 78,048 |
| Capitals Starting With R | 0 | - | 4.87 | 81,690 |
| Capitals Starting With S | 0 | - | 4.90 | 85,635 |
| Capitals Starting With T | 0 | - | 4.85 | 76,047 |
| Capitals Starting With W | 0 | - | 4.87 | 91,208 |
| Capitals Starting With A | 0 | - | 4.97 | 127,698 |
| Capitals Starting With B | 0 | - | 4.89 | 118,302 |
| Capitals Starting With D | 0 | - | 4.93 | 96,281 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,073 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,094 |
| Which City in Europe? | 0 | - | 4.83 | 107,268 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,723 |
| Olympic Host Countries | 0 | - | 4.98 | 200,534 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,711 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,985 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,518 |
| The Only European Country ... | 0 | - | 4.91 | 216,245 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,947 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,912 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,612 |
| Countries of Africa | 0 | - | 5.00 | 2,532,712 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,680 |
| Countries that Beat China | 0 | - | 4.86 | 115,588 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,526 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,832 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,749 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,344 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,198 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,371 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,900 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,389 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,467 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,533 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,306 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,776 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,051 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,217 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,847 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,783 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,829 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,160 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,125 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,618 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,195 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,475 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,141 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,231 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,329 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,831 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,127 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,527 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,505 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,854 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,782 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,925 |
| Random European City to Country | 0 | - | 4.69 | 117,528 |
| Random Asian City to Country | 0 | - | 4.56 | 44,473 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,763 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,728 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,057 |
| Former Capitals | 0 | - | 4.88 | 71,403 |
| Capital Cities Chain | 0 | - | 4.83 | 82,594 |
| Coldest World Capitals | 0 | - | 4.95 | 133,505 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,455 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,864 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,765 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,163 |
| Which City in Canada? | 0 | - | 4.82 | 57,004 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,375 |
| Countries of the Middle East | 0 | - | 4.96 | 200,912 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,115 |
| Slavic Countries | 0 | - | 4.96 | 111,552 |
| African Island Countries | 0 | - | 4.96 | 101,512 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,828 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,926 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,766 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,846 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,989 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,568 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,743 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,375 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,320 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,982 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,789 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,527 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,620 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,555 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,143 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,065 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,482 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,105 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,044 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,889 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,169 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,922 |
