| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,754 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,355 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,749 |
| Random Country to Capital | 0 | - | 4.98 | 917,071 |
| Capital Cities Chain | 0 | - | 4.83 | 82,406 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,577 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,343 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,998 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,564 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,073 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,966 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,861 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,213 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,255 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,385 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,174 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,161 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,091 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,601 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,667 |
| Name a Valid African Country | 0 | - | 4.98 | 153,656 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,204 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,109 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,420 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,725 |
| Countries with Megacities | 0 | - | 4.99 | 249,855 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,559 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,814 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,881 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,803 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 166,262 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,737 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,835 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,190 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,206 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,840 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,447 |
| Countries by Capital City | 0 | - | 5.00 | 67,781 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,893 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,390 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,361 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,887 |
| Moved Capital Cities | 0 | - | 4.96 | 73,992 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,487 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,261 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,744 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,330 |
| Random European Capital to Country | 0 | - | 4.98 | 190,502 |
| Random European Country to Capital | 0 | - | 4.93 | 164,065 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,055 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,267 |
| Random African Capital to Country | 0 | - | 4.97 | 100,364 |
| Random African Country to Capital | 0 | - | 4.94 | 70,963 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,706 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,674 |
| Which City in Europe? | 0 | - | 4.83 | 107,111 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,431 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,404 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,638 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,243 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,592 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,442 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,213 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,557 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,200 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,268 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,828 |
| Resort Towns by Country | 0 | - | 4.30 | 39,990 |
| North American Sports Cities | 0 | - | 4.83 | 171,649 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,154 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,185 |
| Name a City - European Countries | 0 | - | 4.90 | 65,108 |
| Cities by Former Name | 0 | - | 4.83 | 91,375 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,126 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,463 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,289 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,527 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,336 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,785 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,392 |
| World Capitals by Map | 0 | - | 5.00 | 285,325 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,095 |
| Capitals Starting With H | 0 | - | 4.90 | 91,880 |
| Capitals Starting With K | 0 | - | 4.85 | 76,056 |
| Capitals Starting With L | 0 | - | 4.81 | 87,284 |
| Capitals Starting With M | 0 | - | 4.93 | 106,806 |
| Capitals Starting With P | 0 | - | 4.88 | 77,564 |
| Capitals Starting With R | 0 | - | 4.87 | 81,328 |
| Capitals Starting With S | 0 | - | 4.89 | 85,203 |
| Capitals Starting With T | 0 | - | 4.84 | 75,671 |
| Capitals Starting With W | 0 | - | 4.87 | 90,950 |
| Capitals Starting With A | 0 | - | 4.97 | 127,126 |
| Capitals Starting With B | 0 | - | 4.89 | 117,780 |
| Capitals Starting With D | 0 | - | 4.93 | 95,847 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,342 |
| Olympic Host Countries | 0 | - | 4.98 | 200,053 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,492 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,658 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,397 |
| The Only European Country ... | 0 | - | 4.91 | 215,753 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,556 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,618 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,539 |
| Countries of Africa | 0 | - | 5.00 | 2,527,583 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,864 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,254 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,448 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,092 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,602 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,894 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,078 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,771 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,622 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,029 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,018 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,128 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,114 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,380 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,009 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,478 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,300 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,705 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,335 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,733 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,565 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,634 |
| Former Capitals | 0 | - | 4.88 | 71,347 |
| Europe Capital to Country | 0 | - | 4.99 | 249,369 |
| Asia Capital to Country | 0 | - | 4.96 | 126,362 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,449 |
| European Capitals by Map | 0 | - | 4.99 | 138,328 |
| African Capitals by Map | 0 | - | 4.99 | 133,148 |
| Coldest World Capitals | 0 | - | 4.95 | 133,416 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,949 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,790 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,155 |
| European Coastal Capitals | 0 | - | 4.95 | 90,303 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,448 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,874 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,330 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 81,687 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,317 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,538 |
| Which City in Canada? | 0 | - | 4.82 | 56,927 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,928 |
| Countries of the Middle East | 0 | - | 4.96 | 200,583 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,906 |
| Slavic Countries | 0 | - | 4.96 | 111,410 |
| Countries by Emojis | 0 | - | 4.99 | 238,356 |
| African Island Countries | 0 | - | 4.96 | 101,336 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,587 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,761 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,650 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,201 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,693 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,801 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,543 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,562 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,183 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,041 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,613 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,521 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,341 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,431 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,485 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,811 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,885 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,157 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,902 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,891 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,744 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,990 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,220 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,235 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,779 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,101 |
| Random European City to Country | 0 | - | 4.69 | 117,395 |
| Random Asian City to Country | 0 | - | 4.56 | 44,456 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,889 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,116 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 486,746 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,250 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,237 |
| Countries that Start with C | 0 | - | 4.96 | 1,817,882 |
| Countries that Start with D | 0 | - | 4.96 | 706,724 |
| Countries that Start with E | 0 | - | 4.95 | 1,373,757 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,374 |
| Countries that Start with H | 0 | - | 4.96 | 602,267 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,300 |
| Countries that Start with J | 0 | - | 4.98 | 600,220 |
| Countries that Start with K | 0 | - | 4.97 | 813,334 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,082 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,020 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,492 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,241 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,870 |
| Countries that Start with U | 0 | - | 4.97 | 902,844 |
| Countries that Start with V | 0 | - | 4.98 | 607,954 |
| Countries that Start with F | 0 | - | 4.83 | 615,739 |
| Countries that Start with M | 0 | - | 4.97 | 1,378,683 |
