| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,096 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,287 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,665 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,113 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,214 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,895 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,197 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,063 |
| Random European Capital to Country | 0 | - | 4.98 | 189,206 |
| Random European Country to Capital | 0 | - | 4.92 | 147,447 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,399 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,412 |
| Random African Capital to Country | 0 | - | 4.97 | 99,738 |
| Random African Country to Capital | 0 | - | 4.94 | 70,230 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,185 |
| Europe Capital to Country | 0 | - | 4.99 | 247,844 |
| Asia Capital to Country | 0 | - | 4.96 | 125,758 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,451 |
| European Capitals by Map | 0 | - | 4.99 | 136,267 |
| African Capitals by Map | 0 | - | 4.99 | 132,179 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,185 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,608 |
| European Coastal Capitals | 0 | - | 4.95 | 89,752 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,185 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,800 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,798 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,423 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,256 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,864 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,668 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,407 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,121 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,178 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,703 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,703 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,453 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,763 |
| Monarchies of Europe | 0 | - | 4.90 | 97,311 |
| Monarchies of Asia | 0 | - | 4.97 | 70,601 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,432 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,886 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,012 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,399 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,510 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,835 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,259 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,363 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,248 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,087 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,243 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,119 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,491 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,998 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,620 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,184 |
| Countries with Megacities | 0 | - | 4.99 | 246,857 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,093 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,954 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,509 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,841 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,758 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,948 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,652 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,603 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,620 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,441 |
| Countries by Capital City | 0 | - | 5.00 | 66,649 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,330 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,904 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,376 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,407 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,152 |
| Moved Capital Cities | 0 | - | 4.96 | 73,584 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,561 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,448 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,974 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,095 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,176 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,150 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,110 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,837 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,921 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,879 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,478 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,600 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,262 |
| North American Sports Cities | 0 | - | 4.83 | 170,900 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,916 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,950 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,081 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,731 |
| Name a City - European Countries | 0 | - | 4.92 | 64,389 |
| Cities by Former Name | 0 | - | 4.84 | 90,968 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,690 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,241 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,800 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,782 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,946 |
| World Capitals by Map | 0 | - | 5.00 | 283,201 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,665 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,947 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,269 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,631 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,818 |
| Random Country to Capital | 0 | - | 4.98 | 911,581 |
| Capitals Starting With H | 0 | - | 4.90 | 90,950 |
| Capitals Starting With K | 0 | - | 4.85 | 75,689 |
| Capitals Starting With L | 0 | - | 4.81 | 86,838 |
| Capitals Starting With M | 0 | - | 4.93 | 106,060 |
| Capitals Starting With P | 0 | - | 4.88 | 77,192 |
| Capitals Starting With R | 0 | - | 4.87 | 80,977 |
| Capitals Starting With S | 0 | - | 4.89 | 84,807 |
| Capitals Starting With T | 0 | - | 4.84 | 75,293 |
| Capitals Starting With W | 0 | - | 4.89 | 90,611 |
| Capitals Starting With A | 0 | - | 4.97 | 126,552 |
| Capitals Starting With B | 0 | - | 4.89 | 117,294 |
| Capitals Starting With D | 0 | - | 4.93 | 95,379 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,541 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,884 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,985 |
| Olympic Host Countries | 0 | - | 4.98 | 198,896 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,813 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,557 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,530 |
| The Only European Country ... | 0 | - | 4.91 | 213,833 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,142 |
| Hindu Countries | 0 | - | 4.85 | 49,580 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,532 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,208 |
| Countries of Africa | 0 | - | 5.00 | 2,507,826 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,357 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,353 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,067 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,224 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,139 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,333 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,922 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,402 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,589 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,548 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,467 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,293 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,269 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,608 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,568 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,809 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,215 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,143 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,097 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,576 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,023 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,311 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,355 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,198 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,127 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,817 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,683 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,336 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,189 |
| Former Capitals | 0 | - | 4.88 | 71,142 |
| Capital Cities Chain | 0 | - | 4.84 | 81,916 |
| Coldest World Capitals | 0 | - | 4.95 | 133,041 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,796 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,879 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,992 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,188 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,759 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,450 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,324 |
| Countries of the Middle East | 0 | - | 4.96 | 198,912 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,262 |
| Slavic Countries | 0 | - | 4.96 | 110,857 |
| African Island Countries | 0 | - | 4.96 | 100,790 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,498 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,921 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,433 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,013 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,113 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,096 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,635 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,706 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,488 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,109 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,792 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,626 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,715 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,760 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,154 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,162 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,290 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,574 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,274 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,411 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,244 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,505 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,411 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,678 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,915 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,976 |
