| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,871 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,492 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,898 |
| Random Country to Capital | 0 | - | 4.98 | 919,669 |
| Capital Cities Chain | 0 | - | 4.83 | 82,660 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,814 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,487 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,093 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,712 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,974 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,474 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,204 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,046 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,739 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,855 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,918 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,491 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,428 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,277 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,634 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,916 |
| Name a Valid African Country | 0 | - | 4.98 | 153,961 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,563 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,614 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,067 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,277 |
| Countries with Megacities | 0 | - | 4.99 | 262,531 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,112 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,127 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,410 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,176 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,497 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,010 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,135 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,329 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,409 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,125 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,864 |
| Countries by Capital City | 0 | - | 5.00 | 68,127 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,096 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,578 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,046 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,092 |
| Moved Capital Cities | 0 | - | 4.96 | 74,137 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,620 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,429 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,021 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,513 |
| Random European Capital to Country | 0 | - | 4.98 | 190,778 |
| Random European Country to Capital | 0 | - | 4.93 | 164,985 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,373 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,694 |
| Random African Capital to Country | 0 | - | 4.97 | 100,656 |
| Random African Country to Capital | 0 | - | 4.94 | 71,171 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,190 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,964 |
| Which City in Europe? | 0 | - | 4.83 | 107,335 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,953 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,659 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,826 |
| Countries that Beat Canada | 0 | - | 4.90 | 94,464 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,834 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,647 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,619 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,807 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,343 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,467 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,015 |
| Resort Towns by Country | 0 | - | 4.30 | 40,011 |
| North American Sports Cities | 0 | - | 4.83 | 172,279 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,292 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,327 |
| Name a City - European Countries | 0 | - | 4.90 | 65,310 |
| Cities by Former Name | 0 | - | 4.83 | 91,516 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,927 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,116 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,366 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,624 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,513 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,083 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,421 |
| World Capitals by Map | 0 | - | 5.00 | 286,071 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,244 |
| Capitals Starting With H | 0 | - | 4.91 | 92,466 |
| Capitals Starting With K | 0 | - | 4.88 | 83,266 |
| Capitals Starting With L | 0 | - | 4.81 | 87,988 |
| Capitals Starting With M | 0 | - | 4.93 | 107,663 |
| Capitals Starting With P | 0 | - | 4.88 | 78,120 |
| Capitals Starting With R | 0 | - | 4.87 | 81,752 |
| Capitals Starting With S | 0 | - | 4.90 | 85,695 |
| Capitals Starting With T | 0 | - | 4.85 | 76,100 |
| Capitals Starting With W | 0 | - | 4.87 | 91,243 |
| Capitals Starting With A | 0 | - | 4.97 | 127,784 |
| Capitals Starting With B | 0 | - | 4.89 | 118,368 |
| Capitals Starting With D | 0 | - | 4.93 | 96,342 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,832 |
| Olympic Host Countries | 0 | - | 4.98 | 200,592 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,752 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,088 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,806 |
| The Only European Country ... | 0 | - | 4.91 | 216,384 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,060 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,992 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,627 |
| Countries of Africa | 0 | - | 5.00 | 2,534,159 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,542 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,519 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,551 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,351 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,814 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,084 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,254 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,868 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,881 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,197 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,149 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,661 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,221 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,509 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,178 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,540 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,571 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,901 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,867 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,990 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,817 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,754 |
| Former Capitals | 0 | - | 4.88 | 71,423 |
| Europe Capital to Country | 0 | - | 4.99 | 249,880 |
| Asia Capital to Country | 0 | - | 4.96 | 126,580 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,759 |
| European Capitals by Map | 0 | - | 4.99 | 138,931 |
| African Capitals by Map | 0 | - | 4.99 | 133,629 |
| Coldest World Capitals | 0 | - | 4.95 | 133,526 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,249 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,000 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,344 |
| European Coastal Capitals | 0 | - | 4.95 | 90,518 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,552 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,621 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,810 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,799 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,486 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,726 |
| Which City in Canada? | 0 | - | 4.83 | 57,036 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,479 |
| Countries of the Middle East | 0 | - | 4.96 | 201,015 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,177 |
| Slavic Countries | 0 | - | 4.96 | 111,589 |
| Countries by Emojis | 0 | - | 4.99 | 239,410 |
| African Island Countries | 0 | - | 4.96 | 101,545 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,846 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,851 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,017 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 46,865 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,884 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,035 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,165 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,792 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,418 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,383 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,032 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,860 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,580 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,656 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,575 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,170 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,118 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,516 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,154 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,092 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,930 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,203 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,235 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,358 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,845 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,134 |
| Random European City to Country | 0 | - | 4.69 | 117,596 |
| Random Asian City to Country | 0 | - | 4.56 | 44,484 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,101 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,010 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 487,666 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,054 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,827 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,807 |
| Countries that Start with D | 0 | - | 4.96 | 708,745 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,184 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,185 |
| Countries that Start with H | 0 | - | 4.96 | 604,067 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,249 |
| Countries that Start with J | 0 | - | 4.98 | 601,790 |
| Countries that Start with K | 0 | - | 4.97 | 815,120 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,937 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,917 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,349 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,701 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,195 |
| Countries that Start with U | 0 | - | 4.97 | 904,005 |
| Countries that Start with V | 0 | - | 4.98 | 608,960 |
| Countries that Start with F | 0 | - | 4.83 | 617,046 |
