| Random Capital to Country | 0 | - | 4.99 | 2,576,836 |
| Random Country to Capital | 0 | - | 4.98 | 910,814 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,812 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,328 |
| Capital Cities Chain | 0 | - | 4.84 | 81,842 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,908 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,058 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,177 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,269 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,283 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,263 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,620 |
| Random European City to Country | 0 | - | 4.69 | 116,246 |
| Random Asian City to Country | 0 | - | 4.56 | 44,380 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,394 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,063 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,738 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,432 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,089 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,592 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,410 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,967 |
| Name a Valid African Country | 0 | - | 4.98 | 152,846 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,084 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,932 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,357 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,924 |
| Countries with Megacities | 0 | - | 4.99 | 246,342 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,848 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,763 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,302 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,707 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,636 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,845 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,590 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,543 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,504 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,269 |
| Countries by Capital City | 0 | - | 5.00 | 66,508 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,246 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,836 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,088 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,359 |
| Moved Capital Cities | 0 | - | 4.96 | 73,536 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,439 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,966 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,856 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,849 |
| Random European Capital to Country | 0 | - | 4.98 | 189,092 |
| Random European Country to Capital | 0 | - | 4.92 | 147,364 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,342 |
| Random African Capital to Country | 0 | - | 4.97 | 99,684 |
| Random African Country to Capital | 0 | - | 4.94 | 70,164 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,894 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,229 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,050 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,751 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,759 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,787 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,419 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,519 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,177 |
| Resort Towns by Country | 0 | - | 4.30 | 39,913 |
| North American Sports Cities | 0 | - | 4.83 | 170,797 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,891 |
| Random U.S. City to State | 0 | - | 4.45 | 75,240 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,658 |
| Name a City - European Countries | 0 | - | 4.92 | 64,294 |
| Cities by Former Name | 0 | - | 4.84 | 90,891 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,605 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,058 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,653 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,203 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,824 |
| World Capitals by Map | 0 | - | 5.00 | 282,938 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,613 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,220 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,585 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,760 |
| Capitals Starting With H | 0 | - | 4.90 | 90,022 |
| Capitals Starting With K | 0 | - | 4.85 | 75,588 |
| Capitals Starting With L | 0 | - | 4.81 | 86,721 |
| Capitals Starting With M | 0 | - | 4.93 | 105,911 |
| Capitals Starting With P | 0 | - | 4.88 | 77,093 |
| Capitals Starting With R | 0 | - | 4.87 | 80,883 |
| Capitals Starting With S | 0 | - | 4.89 | 84,706 |
| Capitals Starting With T | 0 | - | 4.84 | 75,211 |
| Capitals Starting With W | 0 | - | 4.89 | 90,525 |
| Capitals Starting With A | 0 | - | 4.97 | 126,410 |
| Capitals Starting With B | 0 | - | 4.89 | 117,174 |
| Capitals Starting With D | 0 | - | 4.93 | 95,260 |
| Which City in Europe? | 0 | - | 4.83 | 106,564 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,797 |
| Olympic Host Countries | 0 | - | 4.98 | 198,792 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,753 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,393 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,960 |
| The Only European Country ... | 0 | - | 4.91 | 213,578 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,915 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,373 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,163 |
| Countries of Africa | 0 | - | 5.00 | 2,505,452 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,428 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,808 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,134 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,807 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,612 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,412 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,326 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,806 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,096 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,097 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,197 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,792 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,318 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,492 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,241 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,352 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,198 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,197 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,543 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,505 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,739 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,136 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,137 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,069 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,548 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,012 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,280 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,271 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,118 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,944 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,688 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,557 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,285 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,018 |
| Former Capitals | 0 | - | 4.88 | 71,101 |
| Europe Capital to Country | 0 | - | 4.99 | 247,356 |
| Asia Capital to Country | 0 | - | 4.96 | 125,657 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,336 |
| European Capitals by Map | 0 | - | 4.99 | 136,027 |
| African Capitals by Map | 0 | - | 4.99 | 132,088 |
| Coldest World Capitals | 0 | - | 4.95 | 133,003 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,003 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,542 |
| European Coastal Capitals | 0 | - | 4.95 | 89,677 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,155 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,480 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,610 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,713 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,120 |
| Which City in Canada? | 0 | - | 4.82 | 56,626 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,121 |
| Countries of the Middle East | 0 | - | 4.96 | 198,759 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,184 |
| Slavic Countries | 0 | - | 4.96 | 110,791 |
| Countries by Emojis | 0 | - | 4.99 | 235,918 |
| African Island Countries | 0 | - | 4.96 | 100,693 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,045 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,467 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,212 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,871 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,029 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,000 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,774 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,613 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,396 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,968 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,699 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,524 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,618 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,693 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,122 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,106 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,219 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,491 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,179 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,339 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,154 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,448 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,840 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,770 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,862 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,724 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,924 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,774 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,297 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,085 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,506 |
| Official Cities in the UK | 0 | - | 4.89 | 280,270 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,059 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,936 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,618 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,351 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,094 |
