| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,840 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,250 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,090 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,982 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,622 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,003 |
| Random European Capital to Country | 0 | - | 4.98 | 189,158 |
| Random European Country to Capital | 0 | - | 4.92 | 147,405 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,343 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,376 |
| Random African Capital to Country | 0 | - | 4.97 | 99,713 |
| Random African Country to Capital | 0 | - | 4.94 | 70,223 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,863 |
| Europe Capital to Country | 0 | - | 4.99 | 247,509 |
| Asia Capital to Country | 0 | - | 4.96 | 125,712 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,404 |
| European Capitals by Map | 0 | - | 4.99 | 136,180 |
| African Capitals by Map | 0 | - | 4.99 | 132,118 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,101 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,151 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,582 |
| European Coastal Capitals | 0 | - | 4.95 | 89,716 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,173 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,678 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,703 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,409 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,559 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,484 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,120 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,779 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,635 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,389 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,083 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,155 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,685 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,417 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,746 |
| Capitals of the Stans | 0 | - | 4.95 | 26,398 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,037 |
| Countries with Megacities | 0 | - | 4.99 | 246,606 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,963 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,829 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,401 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,768 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,714 |
| Find the City #1 | 0 | - | 4.97 | 42,087 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,379 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,899 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,622 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,578 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,569 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,377 |
| Countries by Capital City | 0 | - | 5.00 | 66,577 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,299 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,879 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,396 |
| Moved Capital Cities | 0 | - | 4.96 | 73,561 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,794 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,649 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,514 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 141,406 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,607 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,505 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,266 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,413 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,180 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,403 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,789 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,845 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,833 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,450 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,555 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,217 |
| North American Sports Cities | 0 | - | 4.83 | 170,860 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,906 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,702 |
| Name a City - European Countries | 0 | - | 4.92 | 64,353 |
| Name a Valid World City | 0 | - | 4.83 | 70,094 |
| Cities by Former Name | 0 | - | 4.84 | 90,943 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,673 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,223 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,893 |
| World Capitals by Map | 0 | - | 5.00 | 283,107 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,641 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,560 |
| Random Country to Capital | 0 | - | 4.98 | 911,377 |
| Capitals Starting With H | 0 | - | 4.90 | 90,694 |
| Capitals Starting With K | 0 | - | 4.85 | 75,657 |
| Capitals Starting With L | 0 | - | 4.81 | 86,800 |
| Capitals Starting With M | 0 | - | 4.93 | 106,009 |
| Capitals Starting With P | 0 | - | 4.88 | 77,160 |
| Capitals Starting With R | 0 | - | 4.87 | 80,949 |
| Capitals Starting With S | 0 | - | 4.89 | 84,781 |
| Capitals Starting With T | 0 | - | 4.84 | 75,270 |
| Capitals Starting With W | 0 | - | 4.89 | 90,588 |
| Capitals Starting With A | 0 | - | 4.97 | 126,510 |
| Capitals Starting With B | 0 | - | 4.89 | 117,256 |
| Capitals Starting With D | 0 | - | 4.93 | 95,354 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,915 |
| Olympic Host Countries | 0 | - | 4.98 | 198,845 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,785 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,485 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,299 |
| The Only European Country ... | 0 | - | 4.91 | 213,735 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,057 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,471 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,186 |
| Countries of Africa | 0 | - | 5.00 | 2,506,853 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,793 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,253 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,610 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,804 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,513 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,875 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,960 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,167 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,121 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,275 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,877 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,366 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,547 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,266 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,509 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,414 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,255 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,234 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,576 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,538 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,778 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,178 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,142 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,086 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,567 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,019 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,298 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,321 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,161 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,063 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,766 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,649 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,314 |
| Name a City in EVERY Country - No Capitals | 0 | - | 4.63 | 66,250 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,123 |
| Former Capitals | 0 | - | 4.88 | 71,129 |
| Capital Cities Chain | 0 | - | 4.84 | 81,895 |
| Coldest World Capitals | 0 | - | 4.95 | 133,034 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,769 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,829 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,965 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,319 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,472 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,248 |
| Countries of the Middle East | 0 | - | 4.96 | 198,849 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,221 |
| Slavic Countries | 0 | - | 4.96 | 110,827 |
| African Island Countries | 0 | - | 4.96 | 100,754 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,486 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,308 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,962 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,081 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,053 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,304 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,675 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,454 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,050 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,753 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,583 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,679 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,734 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,136 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,143 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,258 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,541 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,229 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,377 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,207 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,484 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,171 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,867 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,939 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,802 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,962 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,603 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,811 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,354 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,837 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,914 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,566 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,985 |
| Ancient City to Country | 0 | - | 4.70 | 107,596 |
| Official Cities in the UK | 0 | - | 4.89 | 280,430 |
| City-States | 0 | - | 4.53 | 37,091 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,773 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,476 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,084 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,039 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,461 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,767 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,957 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,222 |
