| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,203 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,062 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,799 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,321 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,493 |
| Europe Capital to Country | 0 | - | 4.99 | 247,405 |
| Asia Capital to Country | 0 | - | 4.96 | 125,682 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,374 |
| European Capitals by Map | 0 | - | 4.99 | 136,101 |
| African Capitals by Map | 0 | - | 4.99 | 132,095 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,049 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,111 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,560 |
| European Coastal Capitals | 0 | - | 4.95 | 89,695 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,160 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,565 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,648 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,397 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,983 |
| Random European Capital to Country | 0 | - | 4.98 | 189,124 |
| Random European Country to Capital | 0 | - | 4.92 | 147,380 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,317 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,355 |
| Random African Capital to Country | 0 | - | 4.97 | 99,698 |
| Random African Country to Capital | 0 | - | 4.94 | 70,171 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,381 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,041 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,022 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,718 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,606 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,367 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,057 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,125 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,668 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,399 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,732 |
| Capitals of the Stans | 0 | - | 4.95 | 26,384 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,968 |
| Countries with Megacities | 0 | - | 4.99 | 246,456 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,883 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,780 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,347 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,738 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,671 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,871 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,609 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,557 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,533 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,320 |
| Countries by Capital City | 0 | - | 5.00 | 66,544 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,271 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,855 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,372 |
| Moved Capital Cities | 0 | - | 4.96 | 73,546 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,469 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,214 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,415 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,166 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,342 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,751 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,633 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,768 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,797 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,804 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,434 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,532 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,196 |
| North American Sports Cities | 0 | - | 4.83 | 170,820 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,902 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,675 |
| Name a City - European Countries | 0 | - | 4.92 | 64,322 |
| Cities by Former Name | 0 | - | 4.84 | 90,916 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,662 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,217 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,373 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,166 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,855 |
| World Capitals by Map | 0 | - | 5.00 | 283,008 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,624 |
| Capitals Starting With H | 0 | - | 4.90 | 90,365 |
| Capitals Starting With K | 0 | - | 4.85 | 75,625 |
| Capitals Starting With L | 0 | - | 4.81 | 86,754 |
| Capitals Starting With M | 0 | - | 4.93 | 105,953 |
| Capitals Starting With P | 0 | - | 4.88 | 77,123 |
| Capitals Starting With R | 0 | - | 4.87 | 80,913 |
| Capitals Starting With S | 0 | - | 4.89 | 84,738 |
| Capitals Starting With T | 0 | - | 4.84 | 75,239 |
| Capitals Starting With W | 0 | - | 4.89 | 90,555 |
| Capitals Starting With A | 0 | - | 4.97 | 126,456 |
| Capitals Starting With B | 0 | - | 4.89 | 117,208 |
| Capitals Starting With D | 0 | - | 4.93 | 95,303 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,851 |
| Olympic Host Countries | 0 | - | 4.98 | 198,816 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,765 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,433 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,127 |
| The Only European Country ... | 0 | - | 4.91 | 213,643 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,983 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,425 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,171 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,132 |
| Random Country to Capital | 0 | - | 4.98 | 911,076 |
| Countries of Africa | 0 | - | 5.00 | 2,506,027 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,138 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,078 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,562 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,014 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,065 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,787 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,227 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,588 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,773 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,472 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,858 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,878 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,126 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,107 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,237 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,834 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,346 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,519 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,246 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,464 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,380 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,223 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,207 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,555 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,522 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,754 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,150 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,287 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,297 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,137 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,989 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,725 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,603 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,295 |
| Former Capitals | 0 | - | 4.88 | 71,114 |
| Capital Cities Chain | 0 | - | 4.84 | 81,866 |
| Coldest World Capitals | 0 | - | 4.95 | 133,015 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,734 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,774 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,941 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,233 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,174 |
| Countries of the Middle East | 0 | - | 4.96 | 198,798 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,200 |
| Slavic Countries | 0 | - | 4.96 | 110,807 |
| African Island Countries | 0 | - | 4.96 | 100,717 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,473 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,255 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,915 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,056 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,024 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,031 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,638 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,420 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,999 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,727 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,546 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,646 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,711 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,129 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,120 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,244 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,516 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,198 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,355 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,178 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,459 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,269 |
| Boundary Waters | 0 | - | 4.92 | 88,023 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,794 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,223 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,210 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,802 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,817 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,895 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,756 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,941 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,597 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,791 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,324 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,829 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,897 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,538 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,555 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,406 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,315 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,527 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,965 |
| Ancient City to Country | 0 | - | 4.70 | 107,585 |
| Official Cities in the UK | 0 | - | 4.89 | 280,345 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,091 |
| City-States | 0 | - | 4.53 | 37,084 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,548 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,764 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,471 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,073 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,037 |
