| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,066 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,579 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,083 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,421 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,481 |
| Random European Capital to Country | 0 | - | 4.98 | 190,494 |
| Random European Country to Capital | 0 | - | 4.93 | 164,019 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,036 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,199 |
| Random African Capital to Country | 0 | - | 4.97 | 100,359 |
| Random African Country to Capital | 0 | - | 4.94 | 70,959 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,732 |
| Europe Capital to Country | 0 | - | 4.99 | 249,358 |
| Asia Capital to Country | 0 | - | 4.96 | 126,359 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,443 |
| European Capitals by Map | 0 | - | 4.99 | 138,325 |
| African Capitals by Map | 0 | - | 4.99 | 133,136 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,943 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,784 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,150 |
| European Coastal Capitals | 0 | - | 4.95 | 90,295 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,441 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,848 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,321 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 81,685 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,166 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,131 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,087 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,813 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,168 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,834 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,900 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,629 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,031 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,994 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,110 |
| Capitals of the Stans | 0 | - | 4.95 | 26,685 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,713 |
| Countries with Megacities | 0 | - | 4.99 | 249,834 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,545 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,804 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,871 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,792 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,728 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,848 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,827 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,182 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,203 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,835 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,438 |
| Countries by Capital City | 0 | - | 5.00 | 67,771 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,888 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,384 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,883 |
| Moved Capital Cities | 0 | - | 4.96 | 73,988 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,923 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,330 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,003 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,678 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 143,905 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,047 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,401 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,341 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,119 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,417 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,438 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,208 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,552 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,198 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,261 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,821 |
| North American Sports Cities | 0 | - | 4.83 | 171,641 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,137 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,183 |
| Name a City - European Countries | 0 | - | 4.90 | 65,098 |
| Name a Valid World City | 0 | - | 4.83 | 70,835 |
| Cities by Former Name | 0 | - | 4.83 | 91,368 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,286 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,526 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,776 |
| World Capitals by Map | 0 | - | 5.00 | 285,304 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,091 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,672 |
| Random Country to Capital | 0 | - | 4.98 | 917,035 |
| Capitals Starting With H | 0 | - | 4.90 | 91,874 |
| Capitals Starting With K | 0 | - | 4.85 | 76,054 |
| Capitals Starting With L | 0 | - | 4.81 | 87,283 |
| Capitals Starting With M | 0 | - | 4.93 | 106,799 |
| Capitals Starting With P | 0 | - | 4.88 | 77,562 |
| Capitals Starting With R | 0 | - | 4.87 | 81,325 |
| Capitals Starting With S | 0 | - | 4.89 | 85,196 |
| Capitals Starting With T | 0 | - | 4.84 | 75,668 |
| Capitals Starting With W | 0 | - | 4.87 | 90,946 |
| Capitals Starting With A | 0 | - | 4.97 | 127,121 |
| Capitals Starting With B | 0 | - | 4.89 | 117,778 |
| Capitals Starting With D | 0 | - | 4.93 | 95,841 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,334 |
| Olympic Host Countries | 0 | - | 4.98 | 200,004 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,486 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,649 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,327 |
| The Only European Country ... | 0 | - | 4.91 | 215,736 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,542 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,607 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,538 |
| Countries of Africa | 0 | - | 5.00 | 2,527,406 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,939 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,588 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,866 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,396 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,971 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,044 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,842 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,249 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,445 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,088 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,598 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,891 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,071 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,768 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,696 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,529 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,144 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,613 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,026 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,015 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,099 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,112 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,379 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,007 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,217 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,232 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,777 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,101 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,478 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,296 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,701 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,317 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,728 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,559 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,630 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,886 |
| Former Capitals | 0 | - | 4.88 | 71,346 |
| Capital Cities Chain | 0 | - | 4.83 | 82,401 |
| Coldest World Capitals | 0 | - | 4.95 | 133,410 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,313 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,530 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,575 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,377 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,307 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,916 |
| Countries of the Middle East | 0 | - | 4.96 | 200,570 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,900 |
| Slavic Countries | 0 | - | 4.96 | 111,406 |
| African Island Countries | 0 | - | 4.96 | 101,333 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,758 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,640 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,185 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,689 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,796 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,495 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,554 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,174 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,031 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,580 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,513 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,333 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,425 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,480 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,755 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,875 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,108 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,894 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,886 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,743 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,985 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,020 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,766 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,201 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,297 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,814 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,516 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,742 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,118 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,962 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.64 | 64,088 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,261 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,589 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,515 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,760 |
| Ancient City to Country | 0 | - | 4.70 | 107,885 |
| Official Cities in the UK | 0 | - | 4.89 | 282,750 |
| City-States | 0 | - | 4.53 | 37,211 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,043 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,608 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,561 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,142 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,836 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,243 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,070 |
