| Random European Capital to Country | 0 | - | 4.98 | 191,075 |
| Random European Country to Capital | 0 | - | 4.93 | 165,290 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,543 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,864 |
| Random African Capital to Country | 0 | - | 4.97 | 100,804 |
| Random African Country to Capital | 0 | - | 4.94 | 71,327 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,771 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,271 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,566 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,813 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,034 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,984 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,737 |
| Europe Capital to Country | 0 | - | 4.99 | 250,640 |
| Asia Capital to Country | 0 | - | 4.96 | 126,767 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,060 |
| European Capitals by Map | 0 | - | 4.99 | 139,660 |
| African Capitals by Map | 0 | - | 4.99 | 134,052 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,560 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,209 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,543 |
| European Coastal Capitals | 0 | - | 4.95 | 90,724 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,634 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,499 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,309 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,885 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,893 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,040 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,849 |
| World Capitals Quiz | 0 | - | 5.00 | 5,079,765 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,056 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,265 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,580 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,136 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,426 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,940 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,242 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,487 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,355 |
| Capitals of the Stans | 0 | - | 4.95 | 26,884 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,082 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,987 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,165 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,190 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,239 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,199 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,739 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,739 |
| Countries with Megacities | 0 | - | 4.99 | 264,187 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,590 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,390 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,849 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,451 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,345 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,433 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,493 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,605 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,369 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,186 |
| Countries by Capital City | 0 | - | 5.00 | 68,494 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,278 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,750 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,829 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,635 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,322 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,565 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,258 |
| Moved Capital Cities | 0 | - | 4.96 | 74,285 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,700 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,129 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,554 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,948 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,026 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,248 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,159 |
| Countries that Beat China | 0 | - | 4.85 | 116,011 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,833 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,055 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,035 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,498 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,656 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,168 |
| North American Sports Cities | 0 | - | 4.83 | 172,534 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,366 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,479 |
| Name a City - European Countries | 0 | - | 4.90 | 65,509 |
| Cities by Former Name | 0 | - | 4.83 | 91,646 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,444 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,715 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,318 |
| World Capitals by Map | 0 | - | 5.00 | 287,133 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,403 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,229 |
| Random Country to Capital | 0 | - | 4.98 | 921,799 |
| Capitals Starting With H | 0 | - | 4.91 | 92,662 |
| Capitals Starting With K | 0 | - | 4.88 | 83,693 |
| Capitals Starting With L | 0 | - | 4.81 | 88,191 |
| Capitals Starting With M | 0 | - | 4.93 | 107,972 |
| Capitals Starting With P | 0 | - | 4.88 | 78,296 |
| Capitals Starting With R | 0 | - | 4.87 | 81,931 |
| Capitals Starting With S | 0 | - | 4.90 | 85,896 |
| Capitals Starting With T | 0 | - | 4.85 | 76,247 |
| Capitals Starting With W | 0 | - | 4.87 | 91,362 |
| Capitals Starting With A | 0 | - | 4.97 | 128,202 |
| Capitals Starting With B | 0 | - | 4.89 | 118,632 |
| Capitals Starting With D | 0 | - | 4.93 | 96,558 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,753 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,330 |
| Olympic Host Countries | 0 | - | 4.98 | 200,975 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,991 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,489 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 310,216 |
| The Only European Country ... | 0 | - | 4.91 | 217,086 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,576 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,395 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,707 |
| Countries of Africa | 0 | - | 5.00 | 2,541,461 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,508 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,190 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,780 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,667 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,608 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,040 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,265 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,431 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,942 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,103 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,125 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,422 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,266 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,851 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,296 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,603 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,348 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,593 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,845 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,089 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,327 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,274 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,004 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,890 |
| Former Capitals | 0 | - | 4.88 | 71,498 |
| Capital Cities Chain | 0 | - | 4.83 | 82,851 |
| Coldest World Capitals | 0 | - | 4.95 | 133,614 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,683 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,373 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,864 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,025 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,357 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,910 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,080 |
| Countries of the Middle East | 0 | - | 4.96 | 201,420 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,444 |
| Slavic Countries | 0 | - | 4.96 | 111,787 |
| African Island Countries | 0 | - | 4.96 | 101,762 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,928 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,462 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,261 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,090 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,259 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,713 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,068 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,649 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,701 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,504 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,190 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,806 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,878 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,678 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,317 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,334 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,702 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,369 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,279 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,122 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,360 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,251 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,437 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,917 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,164 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,319 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,569 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,968 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,541 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,804 |
| Countries that Start with D | 0 | - | 4.96 | 710,884 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,596 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,855 |
| Countries that Start with H | 0 | - | 4.96 | 605,645 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,419 |
| Countries that Start with J | 0 | - | 4.98 | 603,275 |
| Countries that Start with K | 0 | - | 4.97 | 816,751 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,822 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,845 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,267 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,456 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,734 |
| Countries that Start with U | 0 | - | 4.97 | 905,207 |
| Countries that Start with V | 0 | - | 4.98 | 609,830 |
| Countries that Start with F | 0 | - | 4.83 | 618,283 |
