| Random European Capital to Country | 0 | - | 4.98 | 192,374 |
| Random European Country to Capital | 0 | - | 4.93 | 166,102 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,100 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,604 |
| Random African Capital to Country | 0 | - | 4.97 | 101,517 |
| Random African Country to Capital | 0 | - | 4.94 | 71,903 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,179 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,808 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,013 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,225 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,109 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,594 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,172 |
| Europe Capital to Country | 0 | - | 4.99 | 252,635 |
| Asia Capital to Country | 0 | - | 4.96 | 127,706 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,320 |
| European Capitals by Map | 0 | - | 4.99 | 142,605 |
| African Capitals by Map | 0 | - | 4.99 | 142,634 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,137 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,155 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,416 |
| European Coastal Capitals | 0 | - | 4.95 | 91,516 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,278 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,393 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,722 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,261 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,335 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,446 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,578 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,103 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,715 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,698 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,378 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,736 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,354 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,508 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,677 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,073 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,832 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,792 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,716 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,008 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,816 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,706 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,358 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,051 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,558 |
| Countries with Megacities | 0 | - | 4.99 | 267,981 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,205 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,367 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,533 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,472 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,539 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,590 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,102 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,367 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,475 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,426 |
| Countries by Capital City | 0 | - | 5.00 | 69,670 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,192 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,372 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,517 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,614 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,982 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,950 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,643 |
| Moved Capital Cities | 0 | - | 4.96 | 74,744 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,113 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,871 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,828 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,574 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,210 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,850 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,383 |
| Countries that Beat China | 0 | - | 4.85 | 117,005 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,483 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,561 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,846 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,010 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,385 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,743 |
| North American Sports Cities | 0 | - | 4.82 | 173,320 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,610 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,069 |
| Name a City - European Countries | 0 | - | 4.89 | 66,405 |
| Cities by Former Name | 0 | - | 4.83 | 92,203 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,993 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,054 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,982 |
| World Capitals by Map | 0 | - | 5.00 | 290,041 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,949 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,537 |
| Random Country to Capital | 0 | - | 4.98 | 930,358 |
| Capitals Starting With H | 0 | - | 4.91 | 93,468 |
| Capitals Starting With K | 0 | - | 4.89 | 84,528 |
| Capitals Starting With L | 0 | - | 4.81 | 96,115 |
| Capitals Starting With M | 0 | - | 4.94 | 109,402 |
| Capitals Starting With P | 0 | - | 4.88 | 79,141 |
| Capitals Starting With R | 0 | - | 4.89 | 82,625 |
| Capitals Starting With S | 0 | - | 4.90 | 86,711 |
| Capitals Starting With T | 0 | - | 4.86 | 76,961 |
| Capitals Starting With W | 0 | - | 4.87 | 91,805 |
| Capitals Starting With A | 0 | - | 4.97 | 129,309 |
| Capitals Starting With B | 0 | - | 4.89 | 119,675 |
| Capitals Starting With D | 0 | - | 4.94 | 97,333 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,396 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,275 |
| Olympic Host Countries | 0 | - | 4.98 | 202,269 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,272 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,524 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 315,233 |
| The Only European Country ... | 0 | - | 4.91 | 219,645 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,389 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,859 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,998 |
| Countries of Africa | 0 | - | 5.00 | 2,565,242 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,775 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,706 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,649 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,985 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,600 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,883 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,913 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,070 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,276 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,900 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,055 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,032 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,627 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,293 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,578 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,934 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,884 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,838 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,701 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,087 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,844 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,381 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,845 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,711 |
| Former Capitals | 0 | - | 4.88 | 71,735 |
| Capital Cities Chain | 0 | - | 4.84 | 83,540 |
| Coldest World Capitals | 0 | - | 4.95 | 134,303 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,272 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 202,001 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,355 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,745 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,903 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,357 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,315 |
| Countries of the Middle East | 0 | - | 4.96 | 203,306 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,392 |
| Slavic Countries | 0 | - | 4.96 | 112,523 |
| African Island Countries | 0 | - | 4.96 | 102,755 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,251 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,772 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,705 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,843 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,391 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,561 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 128,044 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,507 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,993 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,395 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,188 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,797 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,747 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,088 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,988 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,557 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,081 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,721 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,094 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,340 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,657 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,346 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,800 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,159 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,244 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,001 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,766 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,848 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,465 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,770 |
| Countries that Start with D | 0 | - | 4.96 | 718,053 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,981 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,555 |
| Countries that Start with H | 0 | - | 4.96 | 610,726 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,122 |
| Countries that Start with J | 0 | - | 4.98 | 608,098 |
| Countries that Start with K | 0 | - | 4.97 | 821,938 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,307 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,419 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,534 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,172 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,080 |
| Countries that Start with U | 0 | - | 4.97 | 909,365 |
| Countries that Start with V | 0 | - | 4.98 | 612,657 |
| Countries that Start with F | 0 | - | 4.83 | 622,167 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,858 |
