| Random Capital to Country | 0 | - | 4.99 | 2,599,308 |
| Random Country to Capital | 0 | - | 4.98 | 926,394 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,204 |
| World Capitals Quiz | 0 | - | 5.00 | 5,099,383 |
| Capital Cities Chain | 0 | - | 4.84 | 83,250 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,440 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,189 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,365 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,587 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,687 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,962 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,556 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,502 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,928 |
| Random European City to Country | 0 | - | 4.69 | 118,329 |
| Random Asian City to Country | 0 | - | 4.56 | 44,603 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,970 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,521 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,150 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,187 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,854 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,761 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,016 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,642 |
| Name a Valid African Country | 0 | - | 4.98 | 154,869 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,694 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,358 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,035 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,832 |
| Countries with Megacities | 0 | - | 4.99 | 266,456 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,539 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,934 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,839 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,046 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,095 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,190 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,868 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,059 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,034 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,937 |
| Countries by Capital City | 0 | - | 5.00 | 69,188 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,734 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,107 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,346 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,700 |
| Moved Capital Cities | 0 | - | 4.96 | 74,574 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,766 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,228 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,987 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,954 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,870 |
| Random European Capital to Country | 0 | - | 4.98 | 191,947 |
| Random European Country to Capital | 0 | - | 4.93 | 165,727 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,917 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,329 |
| Random African Capital to Country | 0 | - | 4.97 | 101,193 |
| Random African Country to Capital | 0 | - | 4.95 | 71,659 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,877 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,429 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,336 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,212 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,793 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,530 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,809 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,093 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,496 |
| Resort Towns by Country | 0 | - | 4.30 | 40,072 |
| North American Sports Cities | 0 | - | 4.83 | 173,012 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,518 |
| Random U.S. City to State | 0 | - | 4.45 | 76,799 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,839 |
| Name a City - European Countries | 0 | - | 4.90 | 66,019 |
| Name a Valid World City | 0 | - | 4.85 | 71,837 |
| Cities by Former Name | 0 | - | 4.83 | 91,954 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,708 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,739 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,640 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,922 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,700 |
| World Capitals by Map | 0 | - | 5.00 | 288,898 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,741 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,183 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,308 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,292 |
| Capitals Starting With H | 0 | - | 4.91 | 93,189 |
| Capitals Starting With K | 0 | - | 4.89 | 84,262 |
| Capitals Starting With M | 0 | - | 4.94 | 108,925 |
| Capitals Starting With P | 0 | - | 4.88 | 78,858 |
| Capitals Starting With R | 0 | - | 4.88 | 82,394 |
| Capitals Starting With S | 0 | - | 4.90 | 86,430 |
| Capitals Starting With T | 0 | - | 4.85 | 76,725 |
| Capitals Starting With W | 0 | - | 4.87 | 91,649 |
| Capitals Starting With A | 0 | - | 4.97 | 128,927 |
| Capitals Starting With B | 0 | - | 4.89 | 119,323 |
| Capitals Starting With D | 0 | - | 4.94 | 97,058 |
| Which City in Europe? | 0 | - | 4.83 | 107,796 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,434 |
| Olympic Host Countries | 0 | - | 4.98 | 201,719 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,686 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,836 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,850 |
| The Only European Country ... | 0 | - | 4.91 | 218,545 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,590 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,255 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,864 |
| Countries of Africa | 0 | - | 5.00 | 2,554,832 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,435 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,453 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,383 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,872 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,766 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,692 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,448 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,469 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,550 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,256 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,853 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,175 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,530 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,648 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,775 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,135 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,644 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,785 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,448 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,117 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,460 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,795 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,657 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,302 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,661 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,055 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,213 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,730 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,318 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,776 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,200 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,883 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,547 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,479 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,708 |
| Former Capitals | 0 | - | 4.88 | 71,632 |
| Europe Capital to Country | 0 | - | 4.99 | 251,765 |
| Asia Capital to Country | 0 | - | 4.96 | 127,272 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,756 |
| European Capitals by Map | 0 | - | 4.99 | 141,702 |
| African Capitals by Map | 0 | - | 4.99 | 141,777 |
| Coldest World Capitals | 0 | - | 4.95 | 134,098 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,760 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,716 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,046 |
| European Coastal Capitals | 0 | - | 4.95 | 91,170 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,108 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,079 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,480 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,093 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,037 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,687 |
| Which City in Canada? | 0 | - | 4.83 | 57,306 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,382 |
| Countries of the Middle East | 0 | - | 4.96 | 202,377 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,007 |
| Slavic Countries | 0 | - | 4.96 | 112,235 |
| Countries by Emojis | 0 | - | 4.99 | 241,463 |
| African Island Countries | 0 | - | 4.96 | 102,307 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,447 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,118 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,164 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,756 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,514 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,761 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,629 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,646 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,180 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,414 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,021 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,160 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,349 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,413 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,890 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,677 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,895 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,348 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,138 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,778 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,043 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,007 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,355 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,115 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,823 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,488 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,741 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,771 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,883 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,465 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,157 |
| Official Cities in the UK | 0 | - | 4.89 | 285,761 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,723 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,277 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,722 |
