| 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 | 228,247 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,731 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,616 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,478 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,460 |
| 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 | 97,151 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,630 |
| 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 | 5,117,118 |
| Europe Capital to Country | 0 | - | 4.99 | 252,728 |
| Asia Capital to Country | 0 | - | 4.96 | 127,748 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,381 |
| European Capitals by Map | 0 | - | 4.99 | 142,727 |
| African Capitals by Map | 0 | - | 4.99 | 142,717 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,179 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,193 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,447 |
| European Coastal Capitals | 0 | - | 4.95 | 91,550 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,295 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,508 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,863 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,270 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,903 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,836 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,402 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,762 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,398 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,535 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,706 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,591 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,107 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,856 |
| 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 | 337,055 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,470 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,874 |
| 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 | 201,069 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,538 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,888 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,999 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,139 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 128,038 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,839 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,842 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,207 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,656 |
| Countries with Megacities | 0 | - | 4.99 | 268,179 |
| 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 | 139,640 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,525 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,588 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,644 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,138 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,411 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,536 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,501 |
| Countries by Capital City | 0 | - | 5.00 | 69,727 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,243 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,412 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,648 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,016 |
| 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 | 131,664 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,422 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.92 | 95,789 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,181 |
| 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 | 87,510 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,625 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,892 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,275 |
| 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 | 107,279 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,671 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,096 |
| 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 | 134,003 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,067 |
| 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 | 70,015 |
| World Capitals by Map | 0 | - | 5.00 | 290,188 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,978 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,187 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,363 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,472 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,614 |
| Random Country to Capital | 0 | - | 4.98 | 930,943 |
| Capitals Starting With H | 0 | - | 4.91 | 93,494 |
| Capitals Starting With K | 0 | - | 4.89 | 84,553 |
| Capitals Starting With L | 0 | - | 4.81 | 96,153 |
| Capitals Starting With M | 0 | - | 4.94 | 109,442 |
| Capitals Starting With P | 0 | - | 4.88 | 79,166 |
| Capitals Starting With R | 0 | - | 4.89 | 82,645 |
| Capitals Starting With S | 0 | - | 4.90 | 86,739 |
| Capitals Starting With T | 0 | - | 4.86 | 76,984 |
| Capitals Starting With W | 0 | - | 4.87 | 91,818 |
| Capitals Starting With A | 0 | - | 4.97 | 129,345 |
| Capitals Starting With B | 0 | - | 4.89 | 119,704 |
| Capitals Starting With D | 0 | - | 4.94 | 97,356 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,875 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,392 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,368 |
| Olympic Host Countries | 0 | - | 4.98 | 202,363 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,318 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,602 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,760 |
| The Only European Country ... | 0 | - | 4.91 | 219,764 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,482 |
| Hindu Countries | 0 | - | 4.86 | 50,707 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,924 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 93,011 |
| Countries of Africa | 0 | - | 5.00 | 2,566,413 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,788 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,463 |
| 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 | 183,812 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,731 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 96,003 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,652 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,925 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,942 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,107 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,935 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,119 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,071 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,647 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,322 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,593 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,957 |
| 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 | 57,823 |
| 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 | 47,119 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 216,926 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,432 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,872 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,737 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,029 |
| Former Capitals | 0 | - | 4.88 | 71,750 |
| Capital Cities Chain | 0 | - | 4.84 | 83,576 |
| Coldest World Capitals | 0 | - | 4.95 | 134,368 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,295 |
| 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 | 1,337,739 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,024 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,433 |
| Countries of the Middle East | 0 | - | 4.96 | 203,379 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,433 |
| Slavic Countries | 0 | - | 4.96 | 112,567 |
| African Island Countries | 0 | - | 4.96 | 102,798 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,268 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,422 |
| 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 | 53,868 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,888 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,468 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,994 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,099 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,553 |
| 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 | 219,264 |
| 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 | 145,028 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,592 |
| 10 Southernmost Countries in Africa | 0 | - | 4.99 | 118,127 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,774 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,114 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,375 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,870 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,868 |
