| Random Capital to Country | 0 | - | 4.99 | 2,591,276 |
| Random Country to Capital | 0 | - | 4.98 | 920,505 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,725 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,660 |
| Capital Cities Chain | 0 | - | 4.84 | 82,738 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,896 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,774 |
| Divided World City Name Puzzle #2 | 0 | - | 4.84 | 37,024 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,147 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,594 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,291 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,124 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,263 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,337 |
| Random European City to Country | 0 | - | 4.69 | 117,662 |
| Random Asian City to Country | 0 | - | 4.56 | 44,535 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,031 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,607 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,771 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,511 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 488,019 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,336 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,028 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,009 |
| Name a Valid African Country | 0 | - | 4.98 | 154,080 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,720 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,671 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,333 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,455 |
| Countries with Megacities | 0 | - | 4.99 | 263,386 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,296 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,240 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,591 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,281 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,121 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,246 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,401 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,492 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,225 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,983 |
| Countries by Capital City | 0 | - | 5.00 | 68,270 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,162 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,644 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,417 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,195 |
| Moved Capital Cities | 0 | - | 4.96 | 74,205 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,553 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,339 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,667 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,497 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,130 |
| Random European Capital to Country | 0 | - | 4.98 | 190,911 |
| Random European Country to Capital | 0 | - | 4.93 | 165,124 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,450 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,755 |
| Random African Capital to Country | 0 | - | 4.97 | 100,715 |
| Random African Country to Capital | 0 | - | 4.94 | 71,205 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,061 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,973 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,893 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,722 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,802 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,907 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,392 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,535 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,084 |
| Resort Towns by Country | 0 | - | 4.30 | 40,018 |
| North American Sports Cities | 0 | - | 4.83 | 172,368 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,318 |
| Random U.S. City to State | 0 | - | 4.45 | 76,329 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,390 |
| Name a City - European Countries | 0 | - | 4.90 | 65,385 |
| Name a Valid World City | 0 | - | 4.83 | 71,200 |
| Cities by Former Name | 0 | - | 4.83 | 91,569 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,685 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,876 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,395 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,656 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,204 |
| World Capitals by Map | 0 | - | 5.00 | 286,439 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,310 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,829 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,991 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,713 |
| Capitals Starting With H | 0 | - | 4.91 | 92,550 |
| Capitals Starting With K | 0 | - | 4.88 | 83,493 |
| Capitals Starting With L | 0 | - | 4.81 | 88,081 |
| Capitals Starting With M | 0 | - | 4.93 | 107,788 |
| Capitals Starting With P | 0 | - | 4.88 | 78,204 |
| Capitals Starting With R | 0 | - | 4.87 | 81,824 |
| Capitals Starting With S | 0 | - | 4.90 | 85,783 |
| Capitals Starting With T | 0 | - | 4.85 | 76,173 |
| Capitals Starting With W | 0 | - | 4.87 | 91,305 |
| Capitals Starting With A | 0 | - | 4.97 | 127,914 |
| Capitals Starting With B | 0 | - | 4.89 | 118,473 |
| Capitals Starting With D | 0 | - | 4.93 | 96,434 |
| Which City in Europe? | 0 | - | 4.83 | 107,392 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,039 |
| Olympic Host Countries | 0 | - | 4.98 | 200,734 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,833 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,256 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,455 |
| The Only European Country ... | 0 | - | 4.91 | 216,641 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,265 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,142 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,654 |
| Countries of Africa | 0 | - | 5.00 | 2,537,139 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,458 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,794 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,931 |
| Countries that Beat Canada | 0 | - | 4.91 | 97,483 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,345 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,581 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,429 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,789 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,623 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,604 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,444 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,891 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,155 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,313 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,887 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,992 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,278 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,197 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,747 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,251 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,541 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,248 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,241 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,389 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,865 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,142 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,559 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,678 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,974 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,038 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,095 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,881 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,798 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,196 |
| Former Capitals | 0 | - | 4.88 | 71,458 |
| Europe Capital to Country | 0 | - | 4.99 | 250,210 |
| Asia Capital to Country | 0 | - | 4.96 | 126,661 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,875 |
| European Capitals by Map | 0 | - | 4.99 | 139,160 |
| African Capitals by Map | 0 | - | 4.99 | 133,789 |
| Coldest World Capitals | 0 | - | 4.95 | 133,559 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,398 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,067 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,419 |
| European Coastal Capitals | 0 | - | 4.95 | 90,600 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,586 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,007 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,022 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,830 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,564 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,037 |
| Which City in Canada? | 0 | - | 4.83 | 57,074 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,719 |
| Countries of the Middle East | 0 | - | 4.96 | 201,182 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,291 |
| Slavic Countries | 0 | - | 4.96 | 111,665 |
| Countries by Emojis | 0 | - | 4.99 | 239,710 |
| African Island Countries | 0 | - | 4.96 | 101,636 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,929 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,883 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,220 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,033 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,963 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,124 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,273 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,896 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,516 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,516 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,134 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,988 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,673 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,737 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,611 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,232 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,211 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,582 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,243 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,156 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,997 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,267 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,180 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,892 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,851 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,327 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,830 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,432 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,272 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,944 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,743 |
| Official Cities in the UK | 0 | - | 4.89 | 283,735 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,524 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,423 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,793 |
