| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,633 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,566 |
| Flags of the Countries that Start with B | 0 | - | 4.97 | 43,504 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,843 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,024 |
| Random European Capital to Country | 0 | - | 4.98 | 192,064 |
| Random European Country to Capital | 0 | - | 4.93 | 165,832 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,952 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,379 |
| Random African Capital to Country | 0 | - | 4.97 | 101,286 |
| Random African Country to Capital | 0 | - | 4.95 | 71,716 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,836 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,743 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,638 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,238 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,638 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,526 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,917 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,057 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,604 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,279 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,093 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,019 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,044 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,466 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,795 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,955 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,105 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,577 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,270 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,390 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,305 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,389 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,653 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,602 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,295 |
| Hindu Countries | 0 | - | 4.87 | 50,556 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,966 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,010 |
| Countries with Megacities | 0 | - | 4.99 | 266,844 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,729 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,036 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,043 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,163 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,212 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,290 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,369 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,281 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,940 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,166 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,161 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,065 |
| Countries by Capital City | 0 | - | 5.00 | 69,294 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,812 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,181 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,765 |
| Moved Capital Cities | 0 | - | 4.96 | 74,614 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,702 |
| Random Country to Capital | 0 | - | 4.98 | 927,366 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,845 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,798 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,431 |
| Neutral European Countries of WWII | 0 | - | 4.92 | 162,229 |
| Countries of Africa | 0 | - | 5.00 | 2,557,747 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,539 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,918 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,486 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,974 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,171 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,966 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,525 |
| Australia A-Z | 0 | - | 4.54 | 50,130 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,395 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,284 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,788 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,945 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,340 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,610 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,865 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,172 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,886 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,278 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,609 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,714 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,846 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,637 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,745 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,840 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,492 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,166 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,493 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,841 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,727 |
| North American Sports Cities | 0 | - | 4.83 | 173,086 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,548 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,767 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,407 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,863 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,365 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,980 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,629 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,910 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,530 |
| Cities by Former Name | 0 | - | 4.83 | 92,013 |
| Former Capitals | 0 | - | 4.88 | 71,655 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,666 |
| Europe Capital to Country | 0 | - | 4.99 | 251,940 |
| Asia Capital to Country | 0 | - | 4.96 | 127,332 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,959 |
| Capital Cities Chain | 0 | - | 4.84 | 83,315 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,887 |
| European Capitals by Map | 0 | - | 4.99 | 141,947 |
| African Capitals by Map | 0 | - | 4.99 | 142,012 |
| Coldest World Capitals | 0 | - | 4.95 | 134,131 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,861 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,805 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,124 |
| European Coastal Capitals | 0 | - | 4.95 | 91,254 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,156 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,431 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,649 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,775 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,135 |
| World Capitals by Map | 0 | - | 5.00 | 289,188 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,788 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,090 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,515 |
| Capitals Starting With H | 0 | - | 4.91 | 93,299 |
| Capitals Starting With K | 0 | - | 4.89 | 84,370 |
| Capitals Starting With M | 0 | - | 4.94 | 109,122 |
| Capitals Starting With P | 0 | - | 4.88 | 78,969 |
| Capitals Starting With R | 0 | - | 4.88 | 82,478 |
| Capitals Starting With S | 0 | - | 4.90 | 86,540 |
| Capitals Starting With T | 0 | - | 4.85 | 76,806 |
| Capitals Starting With W | 0 | - | 4.87 | 91,719 |
| Capitals Starting With A | 0 | - | 4.97 | 129,053 |
| Capitals Starting With B | 0 | - | 4.89 | 119,455 |
| Capitals Starting With D | 0 | - | 4.94 | 97,165 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,864 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,409 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,653 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,631 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,543 |
| Olympic Host Countries | 0 | - | 4.98 | 201,880 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,094 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,503 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,782 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,994 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,505 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,598 |
| Countries of the Middle East | 0 | - | 4.96 | 202,528 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,110 |
| The Only European Country ... | 0 | - | 4.91 | 218,803 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,807 |
| Slavic Countries | 0 | - | 4.96 | 112,316 |
| African Island Countries | 0 | - | 4.96 | 102,390 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,412 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,886 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,150 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,286 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,359 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,990 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,601 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,863 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,620 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,750 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,273 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,521 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,112 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,272 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,435 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,474 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,931 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,745 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,982 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,433 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,214 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,842 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,102 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,072 |
| Italy A-Z | 0 | - | 4.49 | 58,715 |
| China A-Z | 0 | - | 4.55 | 67,597 |
| Germany A-Z | 0 | - | 4.56 | 62,846 |
| Scotland A-Z | 0 | - | 4.73 | 41,445 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,722 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,306 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,936 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,626 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,821 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,811 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,941 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,205 |
| Official Cities in the UK | 0 | - | 4.89 | 286,024 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,603 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,249 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,795 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,807 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,719 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,979 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,187 |
