| Most Guessed European Capitals | 0 | - | 4.87 | 101,683 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,205 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,475 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,403 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,413 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,406 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,220 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,911 |
| Random European Capital to Country | 0 | - | 4.98 | 191,748 |
| Random European Country to Capital | 0 | - | 4.93 | 165,602 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,841 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,202 |
| Random African Capital to Country | 0 | - | 4.97 | 101,094 |
| Random African Country to Capital | 0 | - | 4.94 | 71,554 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,637 |
| Europe Capital to Country | 0 | - | 4.99 | 251,382 |
| Asia Capital to Country | 0 | - | 4.96 | 127,100 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,524 |
| European Capitals by Map | 0 | - | 4.99 | 141,116 |
| African Capitals by Map | 0 | - | 4.99 | 140,814 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,460 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,556 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,911 |
| European Coastal Capitals | 0 | - | 4.95 | 91,014 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,027 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,480 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,050 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,014 |
| World Capitals Quiz | 0 | - | 5.00 | 5,092,225 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,520 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,096 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,175 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,905 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,339 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,725 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,195 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,985 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,414 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,341 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,719 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,525 |
| Monarchies of Europe | 0 | - | 4.90 | 98,524 |
| Monarchies of Asia | 0 | - | 4.97 | 71,339 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,130 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,212 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,867 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,594,235 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,391 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,725 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,097 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,107 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,971 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,260 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,546 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,524 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,454 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,586 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,576 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,540 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,341 |
| Countries with Megacities | 0 | - | 4.99 | 265,596 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,137 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,699 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,397 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,774 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,863 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,818 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,735 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,928 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,828 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,669 |
| Countries by Capital City | 0 | - | 5.00 | 68,950 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,566 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,985 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,787 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,988 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,573 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,431 |
| Moved Capital Cities | 0 | - | 4.96 | 74,476 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,666 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,995 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 84,768 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,592 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,223 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,064 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,105 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,092 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,084 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,200 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,155 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,433 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,231 |
| Hindu Countries | 0 | - | 4.87 | 50,405 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,544 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,885 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,074 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,519 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,367 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,694 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,916 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,364 |
| North American Sports Cities | 0 | - | 4.83 | 172,852 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,462 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,735 |
| Cities by Former Name | 0 | - | 4.83 | 91,854 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,568 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,850 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,568 |
| World Capitals by Map | 0 | - | 5.00 | 288,305 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,634 |
| Random Capital to Country | 0 | - | 4.99 | 2,597,104 |
| Random Country to Capital | 0 | - | 4.98 | 924,684 |
| Capitals Starting With H | 0 | - | 4.91 | 92,864 |
| Capitals Starting With K | 0 | - | 4.88 | 83,917 |
| Capitals Starting With L | 0 | - | 4.81 | 88,385 |
| Capitals Starting With M | 0 | - | 4.93 | 108,319 |
| Capitals Starting With P | 0 | - | 4.88 | 78,500 |
| Capitals Starting With R | 0 | - | 4.87 | 82,101 |
| Capitals Starting With S | 0 | - | 4.90 | 86,093 |
| Capitals Starting With T | 0 | - | 4.85 | 76,432 |
| Capitals Starting With W | 0 | - | 4.87 | 91,473 |
| Capitals Starting With A | 0 | - | 4.97 | 128,480 |
| Capitals Starting With B | 0 | - | 4.89 | 118,889 |
| Capitals Starting With D | 0 | - | 4.93 | 96,773 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,126 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,078 |
| Olympic Host Countries | 0 | - | 4.98 | 201,450 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,500 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,503 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,935 |
| The Only European Country ... | 0 | - | 4.91 | 218,038 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,217 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,003 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,803 |
| Countries of Africa | 0 | - | 5.00 | 2,550,427 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,337 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,013 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,630 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,107 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,073 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,786 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,952 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,354 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,489 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,633 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,402 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,464 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,651 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,369 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,038 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,397 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,710 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,548 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,670 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,155 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,624 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,895 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,682 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,424 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,347 |
| Former Capitals | 0 | - | 4.88 | 71,581 |
| Capital Cities Chain | 0 | - | 4.84 | 83,114 |
| Coldest World Capitals | 0 | - | 4.95 | 134,023 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,906 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,042 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,265 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,482 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,713 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,170 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,971 |
| Countries of the Middle East | 0 | - | 4.96 | 202,086 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,817 |
| Slavic Countries | 0 | - | 4.96 | 112,091 |
| African Island Countries | 0 | - | 4.96 | 102,137 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,027 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,754 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,946 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,234 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,376 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,578 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,027,818 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,459 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,014 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,192 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,861 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,921 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,189 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,257 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,818 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,574 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,756 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,221 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,972 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,627 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,883 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,885 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,477 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,537 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,304 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,456 |
