| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,139 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,025 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,312 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,762 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,223 |
| Europe Capital to Country | 0 | - | 4.99 | 247,265 |
| Asia Capital to Country | 0 | - | 4.96 | 125,609 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,271 |
| European Capitals by Map | 0 | - | 4.99 | 135,903 |
| African Capitals by Map | 0 | - | 4.99 | 132,037 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,952 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,062 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,519 |
| European Coastal Capitals | 0 | - | 4.95 | 89,629 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,141 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,337 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,511 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,945 |
| Random European Capital to Country | 0 | - | 4.98 | 189,043 |
| Random European Country to Capital | 0 | - | 4.92 | 147,328 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,262 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,324 |
| Random African Capital to Country | 0 | - | 4.97 | 99,667 |
| Random African Country to Capital | 0 | - | 4.94 | 70,148 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,972 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,786 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,745 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,463 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,526 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,001 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,070 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,361 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,696 |
| Capitals of the Stans | 0 | - | 4.95 | 26,362 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,851 |
| Countries with Megacities | 0 | - | 4.99 | 246,146 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,769 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,727 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,236 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,663 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,564 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,805 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,559 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,507 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,474 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,203 |
| Countries by Capital City | 0 | - | 5.00 | 66,445 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,219 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,803 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,332 |
| Moved Capital Cities | 0 | - | 4.96 | 73,505 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,366 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,404 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 376,997 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,923 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,291 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,666 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,603 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,715 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,665 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,742 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,391 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,479 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,143 |
| North American Sports Cities | 0 | - | 4.83 | 170,741 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,877 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,631 |
| Name a City - European Countries | 0 | - | 4.92 | 64,260 |
| Cities by Former Name | 0 | - | 4.84 | 90,861 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,631 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,184 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,148 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,762 |
| World Capitals by Map | 0 | - | 5.00 | 282,785 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,596 |
| Capitals Starting With H | 0 | - | 4.90 | 88,224 |
| Capitals Starting With K | 0 | - | 4.85 | 75,449 |
| Capitals Starting With M | 0 | - | 4.93 | 105,734 |
| Capitals Starting With P | 0 | - | 4.88 | 76,973 |
| Capitals Starting With R | 0 | - | 4.87 | 80,777 |
| Capitals Starting With S | 0 | - | 4.89 | 84,579 |
| Capitals Starting With T | 0 | - | 4.84 | 75,115 |
| Capitals Starting With W | 0 | - | 4.89 | 90,438 |
| Capitals Starting With A | 0 | - | 4.97 | 126,240 |
| Capitals Starting With B | 0 | - | 4.89 | 117,006 |
| Capitals Starting With D | 0 | - | 4.93 | 95,096 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,704 |
| Olympic Host Countries | 0 | - | 4.98 | 198,740 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,701 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,322 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,672 |
| The Only European Country ... | 0 | - | 4.91 | 213,458 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,811 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,303 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,150 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,076 |
| Random Country to Capital | 0 | - | 4.98 | 910,415 |
| Countries of Africa | 0 | - | 5.00 | 2,504,059 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,135 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,052 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,537 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,010 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,933 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,770 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,574 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,736 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,426 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,667 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,027 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,081 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,148 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,744 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,278 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,462 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,218 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,383 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,286 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,136 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,174 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,498 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,476 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,709 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,087 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,257 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,236 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,079 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,846 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,637 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,483 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,263 |
| Former Capitals | 0 | - | 4.88 | 71,075 |
| Capital Cities Chain | 0 | - | 4.84 | 81,796 |
| Coldest World Capitals | 0 | - | 4.95 | 132,979 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,684 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,664 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,856 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,500 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,015 |
| Countries of the Middle East | 0 | - | 4.96 | 198,683 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,129 |
| Slavic Countries | 0 | - | 4.96 | 110,766 |
| African Island Countries | 0 | - | 4.96 | 100,643 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,452 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,156 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,790 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 163,985 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,952 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,317 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,577 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,349 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,898 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,639 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,460 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,572 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,667 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,102 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,064 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,184 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,454 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,144 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,315 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,126 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,413 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,209 |
| Boundary Waters | 0 | - | 4.92 | 87,990 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,787 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,167 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,122 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,755 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,690 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,795 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,671 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,890 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,585 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,758 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,247 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,796 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,849 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,457 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,536 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,403 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,301 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,511 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,921 |
| Ancient City to Country | 0 | - | 4.70 | 107,551 |
| Official Cities in the UK | 0 | - | 4.89 | 280,104 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,089 |
| City-States | 0 | - | 4.53 | 37,069 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,546 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,741 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,457 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,032 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,030 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,936 |
