| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,587 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,172 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,971 |
| Random Country to Capital | 0 | - | 4.98 | 912,759 |
| Capital Cities Chain | 0 | - | 4.84 | 82,023 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,107 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,321,129 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,333 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,176 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,475 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,491 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,436 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,186 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,348 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,710 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,424 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,648 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,748 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,367 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,181 |
| Name a Valid African Country | 0 | - | 4.98 | 153,101 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,439 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,739 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,056 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,700 |
| Countries with Megacities | 0 | - | 4.99 | 247,748 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,549 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,237 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,952 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,180 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,809 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,011 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,216 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,832 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,788 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,917 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,746 |
| Countries by Capital City | 0 | - | 5.00 | 66,955 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,487 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,030 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,862 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,508 |
| Moved Capital Cities | 0 | - | 4.96 | 73,709 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,167 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,977 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,157 |
| Random European Capital to Country | 0 | - | 4.98 | 189,412 |
| Random European Country to Capital | 0 | - | 4.92 | 147,608 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,480 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,553 |
| Random African Capital to Country | 0 | - | 4.97 | 99,804 |
| Random African Country to Capital | 0 | - | 4.94 | 70,313 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,765 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,120 |
| Which City in Europe? | 0 | - | 4.83 | 106,842 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,749 |
| Countries that Beat Russia | 0 | - | 4.84 | 82,016 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,293 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,946 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,228 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,070 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,333 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,069 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,575 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,857 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,441 |
| Resort Towns by Country | 0 | - | 4.30 | 39,937 |
| North American Sports Cities | 0 | - | 4.83 | 171,054 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,958 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,852 |
| Name a City - European Countries | 0 | - | 4.91 | 64,598 |
| Cities by Former Name | 0 | - | 4.84 | 91,071 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,509 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,043 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,763 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,316 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,865 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,129 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,344 |
| World Capitals by Map | 0 | - | 5.00 | 283,910 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,773 |
| Capitals Starting With H | 0 | - | 4.90 | 91,449 |
| Capitals Starting With K | 0 | - | 4.85 | 75,804 |
| Capitals Starting With L | 0 | - | 4.81 | 86,966 |
| Capitals Starting With M | 0 | - | 4.93 | 106,284 |
| Capitals Starting With P | 0 | - | 4.88 | 77,296 |
| Capitals Starting With R | 0 | - | 4.87 | 81,073 |
| Capitals Starting With S | 0 | - | 4.89 | 84,925 |
| Capitals Starting With T | 0 | - | 4.84 | 75,396 |
| Capitals Starting With W | 0 | - | 4.89 | 90,715 |
| Capitals Starting With A | 0 | - | 4.97 | 126,700 |
| Capitals Starting With B | 0 | - | 4.89 | 117,421 |
| Capitals Starting With D | 0 | - | 4.93 | 95,515 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,320 |
| Olympic Host Countries | 0 | - | 4.98 | 199,067 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,940 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,813 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,391 |
| The Only European Country ... | 0 | - | 4.91 | 214,267 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,447 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,817 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,337 |
| Countries of Africa | 0 | - | 5.00 | 2,512,194 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,433 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,442 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,220 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,530 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,101 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,524 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,719 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,368 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,652 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,443 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,380 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,732 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,652 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,913 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,349 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,351 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,502 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,312 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,379 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,069 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,828 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,401 |
| Former Capitals | 0 | - | 4.88 | 71,195 |
| Europe Capital to Country | 0 | - | 4.99 | 248,256 |
| Asia Capital to Country | 0 | - | 4.96 | 125,883 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,711 |
| European Capitals by Map | 0 | - | 4.99 | 136,848 |
| African Capitals by Map | 0 | - | 4.99 | 132,372 |
| Coldest World Capitals | 0 | - | 4.95 | 133,108 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,401 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,364 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,756 |
| European Coastal Capitals | 0 | - | 4.95 | 89,905 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,245 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,409 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,168 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,475 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,916 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,071 |
| Which City in Canada? | 0 | - | 4.82 | 56,768 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,689 |
| Countries of the Middle East | 0 | - | 4.96 | 199,232 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,415 |
| Slavic Countries | 0 | - | 4.96 | 110,988 |
| Countries by Emojis | 0 | - | 4.99 | 236,984 |
| African Island Countries | 0 | - | 4.96 | 100,909 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,213 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,559 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,814 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,224 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,271 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,288 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,013,684 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,931 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,633 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,333 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,928 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,818 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,844 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,922 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,216 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,276 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,436 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,677 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,414 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,525 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,375 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,608 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,175 |
| Southernmost Major Cities | 0 | - | 4.48 | 56,344 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,642 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,041 |
| Random European City to Country | 0 | - | 4.69 | 116,762 |
| Random Asian City to Country | 0 | - | 4.56 | 44,411 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,394 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,872 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,858 |
| Countries that Start with A | 0 | - | 4.97 | 2,149,212 |
| Countries that Start with B | 0 | - | 4.95 | 2,281,929 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,018 |
| Countries that Start with D | 0 | - | 4.96 | 702,703 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,907 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,297 |
| Countries that Start with H | 0 | - | 4.96 | 598,887 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,408 |
| Countries that Start with J | 0 | - | 4.98 | 596,933 |
| Countries that Start with K | 0 | - | 4.97 | 810,272 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,983 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,871 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,586 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,057 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,003 |
| Countries that Start with U | 0 | - | 4.97 | 900,587 |
| Countries that Start with V | 0 | - | 4.98 | 605,692 |
| Countries that Start with F | 0 | - | 4.83 | 612,977 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,565 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,225 |
