| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,543 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,125 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,327 |
| Random Country to Capital | 0 | - | 4.98 | 911,814 |
| Capital Cities Chain | 0 | - | 4.84 | 81,938 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,014 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,035 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,544 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,113 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,316 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,392 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,362 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,206 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,450 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,554 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,303 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,548 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,683 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,906 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,077 |
| Name a Valid African Country | 0 | - | 4.98 | 152,966 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,290 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,354 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,724 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,339 |
| Countries with Megacities | 0 | - | 4.99 | 247,092 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,209 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,038 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,625 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,949 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,694 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,808 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,972 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,667 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,619 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,656 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,482 |
| Countries by Capital City | 0 | - | 5.00 | 66,687 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,354 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,917 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,485 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,428 |
| Moved Capital Cities | 0 | - | 4.96 | 73,599 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,093 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,921 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,010 |
| Random European Capital to Country | 0 | - | 4.98 | 189,261 |
| Random European Country to Capital | 0 | - | 4.92 | 147,489 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,422 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,448 |
| Random African Capital to Country | 0 | - | 4.97 | 99,745 |
| Random African Country to Capital | 0 | - | 4.94 | 70,245 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,602 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,995 |
| Which City in Europe? | 0 | - | 4.83 | 106,699 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,607 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,922 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,205 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,868 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,131 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,862 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,973 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,910 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,507 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,632 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,303 |
| Resort Towns by Country | 0 | - | 4.30 | 39,924 |
| North American Sports Cities | 0 | - | 4.83 | 170,931 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,927 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,754 |
| Name a City - European Countries | 0 | - | 4.92 | 64,434 |
| Cities by Former Name | 0 | - | 4.84 | 90,993 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,437 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,069 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,697 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,253 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,717 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,976 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,335 |
| World Capitals by Map | 0 | - | 5.00 | 283,276 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,686 |
| Capitals Starting With H | 0 | - | 4.90 | 91,104 |
| Capitals Starting With K | 0 | - | 4.85 | 75,709 |
| Capitals Starting With L | 0 | - | 4.81 | 86,864 |
| Capitals Starting With M | 0 | - | 4.93 | 106,108 |
| Capitals Starting With P | 0 | - | 4.88 | 77,216 |
| Capitals Starting With R | 0 | - | 4.87 | 80,996 |
| Capitals Starting With S | 0 | - | 4.89 | 84,833 |
| Capitals Starting With T | 0 | - | 4.84 | 75,318 |
| Capitals Starting With W | 0 | - | 4.89 | 90,628 |
| Capitals Starting With A | 0 | - | 4.97 | 126,579 |
| Capitals Starting With B | 0 | - | 4.89 | 117,322 |
| Capitals Starting With D | 0 | - | 4.93 | 95,411 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,059 |
| Olympic Host Countries | 0 | - | 4.98 | 198,923 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,835 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,618 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,735 |
| The Only European Country ... | 0 | - | 4.91 | 213,924 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,192 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,596 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,225 |
| Countries of Africa | 0 | - | 5.00 | 2,508,633 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,152 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,272 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,163 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,367 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,976 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,430 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,619 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,319 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,507 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,325 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,308 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,635 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,588 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,834 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,240 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,325 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,383 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,219 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,180 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,865 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,712 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,359 |
| Former Capitals | 0 | - | 4.88 | 71,147 |
| Europe Capital to Country | 0 | - | 4.99 | 247,971 |
| Asia Capital to Country | 0 | - | 4.96 | 125,783 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,502 |
| European Capitals by Map | 0 | - | 4.99 | 136,350 |
| African Capitals by Map | 0 | - | 4.99 | 132,200 |
| Coldest World Capitals | 0 | - | 4.95 | 133,055 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,157 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,220 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,650 |
| European Coastal Capitals | 0 | - | 4.95 | 89,795 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,199 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,881 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,894 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,432 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,814 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,909 |
| Which City in Canada? | 0 | - | 4.82 | 56,687 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,404 |
| Countries of the Middle East | 0 | - | 4.96 | 198,974 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,288 |
| Slavic Countries | 0 | - | 4.96 | 110,881 |
| Countries by Emojis | 0 | - | 4.99 | 236,241 |
| African Island Countries | 0 | - | 4.96 | 100,812 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,131 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,508 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,508 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,053 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,146 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,146 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,010 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,748 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,514 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,156 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,818 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,651 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,730 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,796 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,164 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,184 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,312 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,599 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,300 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,442 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,275 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,516 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,145 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,115 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,587 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,025 |
| Random European City to Country | 0 | - | 4.69 | 116,508 |
| Random Asian City to Country | 0 | - | 4.56 | 44,393 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,236 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,388 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,465 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,178 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,162 |
| Countries that Start with C | 0 | - | 4.96 | 1,810,573 |
| Countries that Start with D | 0 | - | 4.96 | 701,722 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,727 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,041 |
| Countries that Start with H | 0 | - | 4.96 | 598,107 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,453 |
| Countries that Start with J | 0 | - | 4.98 | 596,172 |
| Countries that Start with K | 0 | - | 4.97 | 809,525 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,041 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,910 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,705 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,732 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,334 |
| Countries that Start with U | 0 | - | 4.97 | 900,016 |
| Countries that Start with V | 0 | - | 4.98 | 605,182 |
| Countries that Start with F | 0 | - | 4.83 | 612,309 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,537 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,013 |
