| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,279 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,946 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,951 |
| Random Country to Capital | 0 | - | 4.98 | 926,893 |
| Capital Cities Chain | 0 | - | 4.84 | 83,276 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,482 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,566 |
| World Capitals Quiz | 0 | - | 5.00 | 5,101,270 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,217 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,617 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,767 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,009 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,588 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,749 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,680 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,052 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,576 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,240 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,789 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,200 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,688 |
| Name a Valid African Country | 0 | - | 4.98 | 154,921 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,753 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,884 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,163 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,925 |
| Countries with Megacities | 0 | - | 4.99 | 266,665 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,634 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,987 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,934 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,100 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,233 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,154 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,236 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,894 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,104 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,104 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,007 |
| Countries by Capital City | 0 | - | 5.00 | 69,245 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,770 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,154 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,501 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,741 |
| Moved Capital Cities | 0 | - | 4.96 | 74,591 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,002 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,993 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,933 |
| Random European Capital to Country | 0 | - | 4.98 | 192,014 |
| Random European Country to Capital | 0 | - | 4.93 | 165,791 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,936 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,348 |
| Random African Capital to Country | 0 | - | 4.97 | 101,256 |
| Random African Country to Capital | 0 | - | 4.95 | 71,692 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,331 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,938 |
| Which City in Europe? | 0 | - | 4.83 | 107,823 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,503 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,498 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,413 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,922 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,370 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,254 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,868 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,566 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,842 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,124 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,522 |
| Resort Towns by Country | 0 | - | 4.30 | 40,076 |
| North American Sports Cities | 0 | - | 4.83 | 173,044 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,532 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,869 |
| Name a City - European Countries | 0 | - | 4.90 | 66,067 |
| Cities by Former Name | 0 | - | 4.83 | 91,980 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,945 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,002 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,655 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,940 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,482 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,734 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,473 |
| World Capitals by Map | 0 | - | 5.00 | 289,035 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,767 |
| Capitals Starting With H | 0 | - | 4.91 | 93,246 |
| Capitals Starting With K | 0 | - | 4.89 | 84,319 |
| Capitals Starting With M | 0 | - | 4.94 | 109,025 |
| Capitals Starting With P | 0 | - | 4.88 | 78,920 |
| Capitals Starting With R | 0 | - | 4.88 | 82,443 |
| Capitals Starting With S | 0 | - | 4.90 | 86,493 |
| Capitals Starting With T | 0 | - | 4.85 | 76,767 |
| Capitals Starting With W | 0 | - | 4.87 | 91,685 |
| Capitals Starting With A | 0 | - | 4.97 | 128,995 |
| Capitals Starting With B | 0 | - | 4.89 | 119,393 |
| Capitals Starting With D | 0 | - | 4.94 | 97,110 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,526 |
| Olympic Host Countries | 0 | - | 4.98 | 201,782 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,730 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,916 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,165 |
| The Only European Country ... | 0 | - | 4.91 | 218,665 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,690 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,346 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,877 |
| Countries of Africa | 0 | - | 5.00 | 2,556,060 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,706 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,661 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,299 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,873 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,232 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,577 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,684 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,812 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,155 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,690 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,821 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,474 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,138 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,480 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,827 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,685 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,753 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,360 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,816 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,282 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,938 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,586 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,508 |
| Former Capitals | 0 | - | 4.88 | 71,643 |
| Europe Capital to Country | 0 | - | 4.99 | 251,851 |
| Asia Capital to Country | 0 | - | 4.96 | 127,306 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,814 |
| European Capitals by Map | 0 | - | 4.99 | 141,857 |
| African Capitals by Map | 0 | - | 4.99 | 141,888 |
| Coldest World Capitals | 0 | - | 4.95 | 134,115 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,812 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,759 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,089 |
| European Coastal Capitals | 0 | - | 4.95 | 91,215 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,132 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,242 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,552 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,117 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,062 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,175 |
| Which City in Canada? | 0 | - | 4.83 | 57,322 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,493 |
| Countries of the Middle East | 0 | - | 4.96 | 202,427 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,058 |
| Slavic Countries | 0 | - | 4.96 | 112,280 |
| Countries by Emojis | 0 | - | 4.99 | 241,598 |
| African Island Countries | 0 | - | 4.96 | 102,349 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,489 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,132 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,219 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,858 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,555 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,807 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,136 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,688 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,218 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,466 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,061 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,210 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,391 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,441 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,914 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,713 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,940 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,385 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,174 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,808 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,065 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,044 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,310 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,686 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,067 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,218 |
| Random European City to Country | 0 | - | 4.69 | 118,373 |
| Random Asian City to Country | 0 | - | 4.56 | 44,606 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,750 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,516 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 491,151 |
| Countries that Start with A | 0 | - | 4.98 | 2,173,772 |
| Countries that Start with B | 0 | - | 4.95 | 2,304,746 |
| Countries that Start with C | 0 | - | 4.96 | 1,830,081 |
| Countries that Start with D | 0 | - | 4.96 | 715,451 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,941 |
| Countries that Start with G | 0 | - | 4.97 | 1,510,307 |
| Countries that Start with H | 0 | - | 4.96 | 608,891 |
| Countries that Start with I | 0 | - | 4.92 | 1,293,691 |
| Countries that Start with J | 0 | - | 4.98 | 606,293 |
| Countries that Start with K | 0 | - | 4.97 | 820,066 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,905 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,967 |
| Countries that Start with P | 0 | - | 4.94 | 1,221,209 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,949 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,225 |
| Countries that Start with U | 0 | - | 4.97 | 907,959 |
| Countries that Start with V | 0 | - | 4.98 | 611,626 |
| Countries that Start with F | 0 | - | 4.83 | 620,775 |
| Countries that Start with M | 0 | - | 4.97 | 1,387,311 |
