| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,331 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,531 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,292 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,174 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,280 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,291 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,953 |
| Random European Capital to Country | 0 | - | 4.98 | 191,856 |
| Random European Country to Capital | 0 | - | 4.93 | 165,676 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,884 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,274 |
| Random African Capital to Country | 0 | - | 4.97 | 101,158 |
| Random African Country to Capital | 0 | - | 4.94 | 71,627 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,007 |
| Europe Capital to Country | 0 | - | 4.99 | 251,619 |
| Asia Capital to Country | 0 | - | 4.96 | 127,221 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,671 |
| European Capitals by Map | 0 | - | 4.99 | 141,477 |
| African Capitals by Map | 0 | - | 4.99 | 141,525 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,633 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,658 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,995 |
| European Coastal Capitals | 0 | - | 4.95 | 91,105 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,082 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,796 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,338 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,062 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,156 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,283 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,236 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,632 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,513 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,953 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,540 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,000 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,417 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,865 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,261 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,472 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,789 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,590 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,884 |
| Capitals of the Stans | 0 | - | 4.95 | 27,060 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,510 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,865 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,619 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,462 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,111 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,453 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,720 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,572 |
| Name a Valid African Country | 0 | - | 4.98 | 154,795 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,605 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,629 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,835 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,532 |
| Countries with Megacities | 0 | - | 4.99 | 266,029 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,321 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,782 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,579 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,906 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,004 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,931 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,813 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,999 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,940 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,822 |
| Countries by Capital City | 0 | - | 5.00 | 69,106 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,672 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,067 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,157 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,194 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,640 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,728 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,434 |
| Moved Capital Cities | 0 | - | 4.96 | 74,528 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,915 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,745 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,444 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,125 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,794 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,288 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,113 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,500 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,252 |
| Which City in Europe? | 0 | - | 4.83 | 107,768 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,331 |
| Countries that Beat China | 0 | - | 4.85 | 116,514 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,387 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,226 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,330 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,809 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,092 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,025 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,728 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,142 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,663 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,473 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,748 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,014 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,427 |
| Resort Towns by Country | 0 | - | 4.30 | 40,068 |
| North American Sports Cities | 0 | - | 4.83 | 172,959 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,500 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,797 |
| Name a City - European Countries | 0 | - | 4.90 | 65,961 |
| Name a Valid World City | 0 | - | 4.84 | 71,757 |
| Cities by Former Name | 0 | - | 4.83 | 91,915 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,604 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,886 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,637 |
| World Capitals by Map | 0 | - | 5.00 | 288,658 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,686 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,486 |
| Random Country to Capital | 0 | - | 4.98 | 925,632 |
| Capitals Starting With H | 0 | - | 4.91 | 92,957 |
| Capitals Starting With K | 0 | - | 4.88 | 84,007 |
| Capitals Starting With L | 0 | - | 4.81 | 89,756 |
| Capitals Starting With M | 0 | - | 4.93 | 108,478 |
| Capitals Starting With P | 0 | - | 4.88 | 78,590 |
| Capitals Starting With R | 0 | - | 4.88 | 82,167 |
| Capitals Starting With S | 0 | - | 4.90 | 86,180 |
| Capitals Starting With T | 0 | - | 4.85 | 76,497 |
| Capitals Starting With W | 0 | - | 4.87 | 91,512 |
| Capitals Starting With A | 0 | - | 4.97 | 128,618 |
| Capitals Starting With B | 0 | - | 4.89 | 119,018 |
| Capitals Starting With D | 0 | - | 4.93 | 96,851 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,638 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,272 |
| Olympic Host Countries | 0 | - | 4.98 | 201,585 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,620 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,733 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,468 |
| The Only European Country ... | 0 | - | 4.91 | 218,346 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,437 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,150 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,838 |
| Countries of Africa | 0 | - | 5.00 | 2,552,934 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,142 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,066 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,284 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,655 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,370 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,165 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,830 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,077 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,456 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,583 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,718 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,103 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,506 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,576 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,729 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,413 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,092 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,435 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,749 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,609 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,708 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,260 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,724 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,077 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,815 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,500 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,431 |
| Former Capitals | 0 | - | 4.88 | 71,615 |
| Capital Cities Chain | 0 | - | 4.84 | 83,198 |
| Coldest World Capitals | 0 | - | 4.95 | 134,068 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,977 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,689 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,383 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,640 |
| Which City in Canada? | 0 | - | 4.83 | 57,274 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,212 |
| Countries of the Middle East | 0 | - | 4.96 | 202,268 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,940 |
| Slavic Countries | 0 | - | 4.96 | 112,186 |
| African Island Countries | 0 | - | 4.96 | 102,243 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,079 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,066 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,581 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,455 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,697 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,918 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,570 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,109 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,316 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,950 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,063 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,283 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,353 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,861 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,640 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,833 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,305 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,076 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,716 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,992 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,965 |
| Countries that Beat Egypt | 0 | - | 4.91 | 66,513 |
