| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,667 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,828 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,378 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,082 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,784 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,436 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,613 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,467 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,586 |
| Random European Capital to Country | 0 | - | 4.98 | 190,709 |
| Random European Country to Capital | 0 | - | 4.93 | 164,864 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,325 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,655 |
| Random African Capital to Country | 0 | - | 4.97 | 100,544 |
| Random African Country to Capital | 0 | - | 4.94 | 71,120 |
| World Capitals Quiz | 0 | - | 5.00 | 5,066,224 |
| Europe Capital to Country | 0 | - | 4.99 | 249,733 |
| Asia Capital to Country | 0 | - | 4.96 | 126,532 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,691 |
| European Capitals by Map | 0 | - | 4.99 | 138,786 |
| African Capitals by Map | 0 | - | 4.99 | 133,474 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,168 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,949 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,294 |
| European Coastal Capitals | 0 | - | 4.95 | 90,448 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,525 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,446 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,702 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,773 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,695 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,324 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,336 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,939 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,071 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,744 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,109 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,104 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,199 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,214 |
| Monarchies of Europe | 0 | - | 4.90 | 98,009 |
| Monarchies of Asia | 0 | - | 4.97 | 71,011 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,802 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,382 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,849 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,944 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,827 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,176 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,358 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,151 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,456 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 133,255 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,031 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,001 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,857 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,901 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,917 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,884 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,146 |
| Countries with Megacities | 0 | - | 4.99 | 261,598 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,012 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,064 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,295 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,094 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,935 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,032 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,277 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,332 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,043 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,730 |
| Countries by Capital City | 0 | - | 5.00 | 68,017 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,024 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,514 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,831 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,022 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,320 |
| Moved Capital Cities | 0 | - | 4.96 | 74,093 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,091 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,291 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,940 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,887 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,663 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,180 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,562 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,744 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,592 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,515 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,739 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,312 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,426 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,974 |
| North American Sports Cities | 0 | - | 4.83 | 172,057 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,274 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,843 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,718 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,290 |
| Name a City - European Countries | 0 | - | 4.90 | 65,262 |
| Cities by Former Name | 0 | - | 4.83 | 91,473 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,346 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,602 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,969 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,887 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,991 |
| World Capitals by Map | 0 | - | 5.00 | 285,789 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,205 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,945 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,667 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,935 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,540 |
| Random Country to Capital | 0 | - | 4.98 | 919,038 |
| Capitals Starting With H | 0 | - | 4.91 | 92,369 |
| Capitals Starting With K | 0 | - | 4.88 | 82,875 |
| Capitals Starting With L | 0 | - | 4.81 | 87,878 |
| Capitals Starting With M | 0 | - | 4.93 | 107,521 |
| Capitals Starting With P | 0 | - | 4.88 | 78,024 |
| Capitals Starting With R | 0 | - | 4.87 | 81,670 |
| Capitals Starting With S | 0 | - | 4.90 | 85,610 |
| Capitals Starting With T | 0 | - | 4.85 | 76,028 |
| Capitals Starting With W | 0 | - | 4.87 | 91,200 |
| Capitals Starting With A | 0 | - | 4.97 | 127,670 |
| Capitals Starting With B | 0 | - | 4.89 | 118,277 |
| Capitals Starting With D | 0 | - | 4.93 | 96,262 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,057 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,090 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,694 |
| Olympic Host Countries | 0 | - | 4.98 | 200,505 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,697 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,962 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,458 |
| The Only European Country ... | 0 | - | 4.91 | 216,200 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,906 |
| Hindu Countries | 0 | - | 4.86 | 50,054 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,886 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,602 |
| Countries of Africa | 0 | - | 5.00 | 2,532,215 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,883 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,912 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,670 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,359 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,453 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,532 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,293 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,773 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,034 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,204 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,757 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,815 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,153 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,115 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,599 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,191 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,473 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,125 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,229 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,322 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,823 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,125 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,521 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,495 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,846 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,750 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,912 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,750 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,725 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,044 |
| Former Capitals | 0 | - | 4.88 | 71,401 |
| Capital Cities Chain | 0 | - | 4.83 | 82,577 |
| Coldest World Capitals | 0 | - | 4.95 | 133,496 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,445 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,675 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,750 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,898 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,895 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,916 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,337 |
| Countries of the Middle East | 0 | - | 4.96 | 200,886 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,097 |
| Slavic Countries | 0 | - | 4.96 | 111,540 |
| African Island Countries | 0 | - | 4.96 | 101,493 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,824 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,985 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,899 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,732 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,836 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,974 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,354 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,725 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,358 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,294 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,959 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,769 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,505 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,603 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,548 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,137 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,054 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,466 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,084 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,027 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,874 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,156 |
