| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,722 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,259 |
| World Capitals Quiz | 0 | - | 5.00 | 5,111,488 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,753 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,059 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,220 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,662 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 106,997 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,279 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,422 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,203 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,860 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,848 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,106 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,894 |
| Name a Valid African Country | 0 | - | 4.98 | 155,174 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,038 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,508 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,836 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,412 |
| Countries with Megacities | 0 | - | 4.99 | 267,635 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,053 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,282 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,399 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,386 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,455 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,493 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,050 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,297 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,367 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,298 |
| Countries by Capital City | 0 | - | 5.00 | 69,553 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,078 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,313 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,253 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,916 |
| Moved Capital Cities | 0 | - | 4.96 | 74,704 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,842 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,701 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,496 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,145 |
| Random European Capital to Country | 0 | - | 4.98 | 192,286 |
| Random European Country to Capital | 0 | - | 4.93 | 166,015 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,065 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,531 |
| Random African Capital to Country | 0 | - | 4.97 | 101,431 |
| Random African Country to Capital | 0 | - | 4.94 | 71,843 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,206 |
| Most-Visited Countries by Americans | 0 | - | 4.86 | 110,668 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 92,534 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,917 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,591 |
| Most-Visited Countries by Canadians | 0 | - | 4.83 | 39,650 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,511 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,540 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,426 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,445 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,780 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,969 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,325 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,690 |
| North American Sports Cities | 0 | - | 4.82 | 173,257 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,590 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,023 |
| Name a City - European Countries | 0 | - | 4.89 | 66,329 |
| Cities by Former Name | 0 | - | 4.83 | 92,151 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,778 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,628 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,964 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,025 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,930 |
| World Capitals by Map | 0 | - | 5.00 | 289,775 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,890 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,325 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,308 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,419 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,513 |
| Random Country to Capital | 0 | - | 4.98 | 929,468 |
| Capitals Starting With H | 0 | - | 4.91 | 93,407 |
| Capitals Starting With K | 0 | - | 4.88 | 84,481 |
| Capitals Starting With L | 0 | - | 4.81 | 96,034 |
| Capitals Starting With M | 0 | - | 4.94 | 109,313 |
| Capitals Starting With P | 0 | - | 4.88 | 79,095 |
| Capitals Starting With R | 0 | - | 4.88 | 82,574 |
| Capitals Starting With S | 0 | - | 4.90 | 86,662 |
| Capitals Starting With T | 0 | - | 4.86 | 76,913 |
| Capitals Starting With W | 0 | - | 4.87 | 91,777 |
| Capitals Starting With A | 0 | - | 4.97 | 129,227 |
| Capitals Starting With B | 0 | - | 4.89 | 119,603 |
| Capitals Starting With D | 0 | - | 4.94 | 97,287 |
| Which City in Europe? | 0 | - | 4.83 | 107,970 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,087 |
| Olympic Host Countries | 0 | - | 4.98 | 202,135 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,181 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,394 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,654 |
| The Only European Country ... | 0 | - | 4.91 | 219,403 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,213 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,742 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,970 |
| Beers by Country | 0 | - | 4.45 | 97,713 |
| Countries of Africa | 0 | - | 5.00 | 2,563,135 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,949 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,813 |
| Countries that Beat China | 0 | - | 4.85 | 116,863 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,705 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,404 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,536 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,078 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,432 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,247 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,755 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,475 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,551 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,953 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,504 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,797 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,850 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,001 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,239 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,956 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,975 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,589 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,259 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,560 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,910 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,834 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,331 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,770 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,138 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,238 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,816 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,620 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,023 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,692 |
| Random European City to Country | 0 | - | 4.69 | 118,518 |
| Random Asian City to Country | 0 | - | 4.56 | 44,629 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,774 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,658 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,933 |
| Former Capitals | 0 | - | 4.88 | 71,716 |
| Europe Capital to Country | 0 | - | 4.99 | 252,429 |
| Asia Capital to Country | 0 | - | 4.96 | 127,652 |
| Capital Cities Chain | 0 | - | 4.84 | 83,480 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,187 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,657 |
| European Capitals by Map | 0 | - | 4.99 | 142,401 |
| African Capitals by Map | 0 | - | 4.99 | 142,470 |
| Coldest World Capitals | 0 | - | 4.95 | 134,226 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,073 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,059 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,320 |
| European Coastal Capitals | 0 | - | 4.95 | 91,446 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,250 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,115 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,086 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,221 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,228 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,295 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,672 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,938 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,850 |
| Which City in Canada? | 0 | - | 4.83 | 57,391 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,114 |
| Countries of the Middle East | 0 | - | 4.96 | 203,163 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,310 |
| Slavic Countries | 0 | - | 4.96 | 112,467 |
| African Island Countries | 0 | - | 4.96 | 102,684 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,222 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,663 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,449 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,775 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,061 |
| NBA Player to Country | 0 | - | 4.29 | 84,280 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,674 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,952 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,425 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,867 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,300 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,057 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,713 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,664 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,060 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,948 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,478 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,013 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,623 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,034 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,268 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 46,850 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,821 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,370 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,212 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,040 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,955 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,066 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,656 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,322 |
| Official Cities in the UK | 0 | - | 4.89 | 286,661 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,443 |
