| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,518 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,843 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,232 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,731 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,615 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,471 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,453 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,962 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,186 |
| Random European Capital to Country | 0 | - | 4.98 | 192,421 |
| Random European Country to Capital | 0 | - | 4.93 | 166,131 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,150 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,629 |
| Random African Capital to Country | 0 | - | 4.97 | 101,549 |
| Random African Country to Capital | 0 | - | 4.94 | 71,930 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,066 |
| Europe Capital to Country | 0 | - | 4.99 | 252,724 |
| Asia Capital to Country | 0 | - | 4.96 | 127,747 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,381 |
| European Capitals by Map | 0 | - | 4.99 | 142,720 |
| African Capitals by Map | 0 | - | 4.99 | 142,716 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,178 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,188 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,445 |
| European Coastal Capitals | 0 | - | 4.95 | 91,547 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,295 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,506 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,851 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,270 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,893 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,832 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,402 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,761 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,392 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,534 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,705 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,590 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,105 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,855 |
| Monarchies of Europe | 0 | - | 4.90 | 99,085 |
| Monarchies of Asia | 0 | - | 4.97 | 71,646 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,387 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,046 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,445 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,873 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,602 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,099 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,067 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,538 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,886 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,999 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,138 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,036 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,839 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,833 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,204 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,654 |
| Countries with Megacities | 0 | - | 4.99 | 268,176 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,296 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,411 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,634 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,523 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,587 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,641 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,134 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,410 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,534 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,499 |
| Countries by Capital City | 0 | - | 5.00 | 69,721 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,243 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,406 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,646 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,015 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,558 |
| Moved Capital Cities | 0 | - | 4.96 | 74,764 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,898 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,654 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,420 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,787 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,180 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,481 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,447 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,509 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,624 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,889 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,274 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,426 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,764 |
| North American Sports Cities | 0 | - | 4.82 | 173,356 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,620 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,278 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,670 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,095 |
| Name a City - European Countries | 0 | - | 4.89 | 66,459 |
| Cities by Former Name | 0 | - | 4.83 | 92,224 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,002 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,066 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,224 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,064 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,014 |
| World Capitals by Map | 0 | - | 5.00 | 290,186 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,975 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,178 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,363 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,470 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,612 |
| Random Country to Capital | 0 | - | 4.98 | 930,929 |
| Capitals Starting With H | 0 | - | 4.91 | 93,493 |
| Capitals Starting With K | 0 | - | 4.89 | 84,552 |
| Capitals Starting With L | 0 | - | 4.81 | 96,152 |
| Capitals Starting With M | 0 | - | 4.94 | 109,441 |
| Capitals Starting With P | 0 | - | 4.88 | 79,164 |
| Capitals Starting With R | 0 | - | 4.89 | 82,644 |
| Capitals Starting With S | 0 | - | 4.90 | 86,738 |
| Capitals Starting With T | 0 | - | 4.86 | 76,983 |
| Capitals Starting With W | 0 | - | 4.87 | 91,818 |
| Capitals Starting With A | 0 | - | 4.97 | 129,344 |
| Capitals Starting With B | 0 | - | 4.89 | 119,703 |
| Capitals Starting With D | 0 | - | 4.94 | 97,355 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,872 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,391 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,367 |
| Olympic Host Countries | 0 | - | 4.98 | 202,362 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,317 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,601 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,752 |
| The Only European Country ... | 0 | - | 4.91 | 219,762 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,482 |
| Hindu Countries | 0 | - | 4.86 | 50,707 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,923 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,011 |
| Countries of Africa | 0 | - | 5.00 | 2,566,391 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,787 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,455 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,706 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,307 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,810 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,729 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,002 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,652 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,924 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,940 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,106 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,934 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,115 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,069 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,645 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,321 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,593 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,955 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,913 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,350 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,821 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,169 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,245 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,847 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,748 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,117 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 216,923 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,432 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,870 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,734 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,027 |
| Former Capitals | 0 | - | 4.88 | 71,750 |
| Capital Cities Chain | 0 | - | 4.84 | 83,576 |
| Coldest World Capitals | 0 | - | 4.95 | 134,365 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,294 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,384 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,781 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,054 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,731 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,023 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,430 |
| Countries of the Middle East | 0 | - | 4.96 | 203,376 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,433 |
| Slavic Countries | 0 | - | 4.96 | 112,566 |
| African Island Countries | 0 | - | 4.96 | 102,795 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,268 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,419 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,839 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,865 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,888 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,467 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,980 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,095 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,552 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 155,056 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,450 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,263 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,851 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,793 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,100 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 145,027 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,591 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 118,126 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,773 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,114 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,373 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,867 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,868 |
