| Name a World Capital A-Z | 0 | - | 5.00 | 174,845 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,174 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,621 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,588 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,038 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,340 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,627 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,814 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,048 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,965 |
| Random European Capital to Country | 0 | - | 4.98 | 189,088 |
| Random European Country to Capital | 0 | - | 4.92 | 147,361 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,341 |
| Random African Capital to Country | 0 | - | 4.97 | 99,684 |
| Random African Country to Capital | 0 | - | 4.94 | 70,163 |
| Europe Capital to Country | 0 | - | 4.99 | 247,354 |
| Asia Capital to Country | 0 | - | 4.96 | 125,652 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,335 |
| European Capitals by Map | 0 | - | 4.99 | 136,023 |
| African Capitals by Map | 0 | - | 4.99 | 132,082 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,002 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,542 |
| European Coastal Capitals | 0 | - | 4.95 | 89,676 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,155 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,477 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,607 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,388 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 26,908 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,193 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,927 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,058 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,614 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,571 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,351 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,094 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,655 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,662 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,387 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,721 |
| Monarchies of Europe | 0 | - | 4.90 | 97,239 |
| Monarchies of Asia | 0 | - | 4.97 | 70,550 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,395 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,246 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,583 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,133 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,322 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,389 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,720 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,131 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,313 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,174 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,021 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,183 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,052 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,459 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,910 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,352 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,922 |
| Countries with Megacities | 0 | - | 4.99 | 246,328 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,842 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,762 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,295 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,703 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,631 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,839 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,587 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,538 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,504 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,264 |
| Countries by Capital City | 0 | - | 5.00 | 66,502 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,241 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,832 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,080 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,342 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,358 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,135 |
| Moved Capital Cities | 0 | - | 4.96 | 73,533 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,436 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,054 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,137 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,069 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,057 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,524 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,638 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,758 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,968 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,781 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,778 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,219 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,583 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,759 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,452 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,839 |
| Hindu Countries | 0 | - | 4.85 | 49,462 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,750 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,757 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,787 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,416 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,517 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,175 |
| North American Sports Cities | 0 | - | 4.83 | 170,796 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,890 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,657 |
| Name a City - European Countries | 0 | - | 4.92 | 64,293 |
| Cities by Former Name | 0 | - | 4.84 | 90,891 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,651 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,202 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,821 |
| World Capitals by Map | 0 | - | 5.00 | 282,931 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,610 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,762 |
| Random Country to Capital | 0 | - | 4.98 | 910,803 |
| Capitals Starting With H | 0 | - | 4.90 | 89,981 |
| Capitals Starting With K | 0 | - | 4.85 | 75,579 |
| Capitals Starting With L | 0 | - | 4.81 | 86,716 |
| Capitals Starting With M | 0 | - | 4.93 | 105,901 |
| Capitals Starting With P | 0 | - | 4.88 | 77,087 |
| Capitals Starting With R | 0 | - | 4.87 | 80,878 |
| Capitals Starting With S | 0 | - | 4.89 | 84,700 |
| Capitals Starting With T | 0 | - | 4.84 | 75,206 |
| Capitals Starting With W | 0 | - | 4.89 | 90,521 |
| Capitals Starting With A | 0 | - | 4.97 | 126,403 |
| Capitals Starting With B | 0 | - | 4.89 | 117,166 |
| Capitals Starting With D | 0 | - | 4.93 | 95,254 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,250 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,793 |
| Olympic Host Countries | 0 | - | 4.98 | 198,789 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,750 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,387 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,948 |
| The Only European Country ... | 0 | - | 4.91 | 213,572 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,914 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,369 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,162 |
| Countries of Africa | 0 | - | 5.00 | 2,505,378 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,234 |
| Australia A-Z | 0 | - | 4.54 | 49,768 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,803 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,092 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,093 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,197 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,791 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,317 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,490 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,442 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,349 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,197 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,196 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,541 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,505 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,739 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,135 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,278 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,269 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,113 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,936 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,684 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,551 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,284 |
| Former Capitals | 0 | - | 4.88 | 71,099 |
| Capital Cities Chain | 0 | - | 4.84 | 81,840 |
| Coldest World Capitals | 0 | - | 4.95 | 132,998 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,713 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,725 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,906 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,119 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,807 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,305 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,112 |
| Countries of the Middle East | 0 | - | 4.96 | 198,757 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,183 |
| Slavic Countries | 0 | - | 4.96 | 110,790 |
| African Island Countries | 0 | - | 4.96 | 100,691 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,466 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,834 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,209 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,868 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,029 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,999 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,750 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,610 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,396 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,963 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,696 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,520 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,615 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,691 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,121 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,103 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,219 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,488 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,177 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,337 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,153 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,445 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,962 |
