| Random Capital to Country | 0 | - | 4.99 | 2,591,283 |
| Random Country to Capital | 0 | - | 4.98 | 920,512 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,744 |
| World Capitals Quiz | 0 | - | 5.00 | 5,073,715 |
| Capital Cities Chain | 0 | - | 4.84 | 82,738 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,897 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,774 |
| Divided World City Name Puzzle #2 | 0 | - | 4.84 | 37,027 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,148 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,595 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,295 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,126 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,269 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,357 |
| Random European City to Country | 0 | - | 4.69 | 117,668 |
| Random Asian City to Country | 0 | - | 4.56 | 44,535 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,034 |
| 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 | 488,022 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,337 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,031 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,011 |
| Name a Valid African Country | 0 | - | 4.98 | 154,081 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,721 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,683 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,333 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,456 |
| Countries with Megacities | 0 | - | 4.99 | 263,394 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,297 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,240 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,592 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,282 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,125 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,246 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,402 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,494 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,226 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,984 |
| Countries by Capital City | 0 | - | 5.00 | 68,271 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,163 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,645 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,421 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,195 |
| Moved Capital Cities | 0 | - | 4.96 | 74,206 |
| 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 | 83,668 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,498 |
| 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 | 165,125 |
| 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 | 75,975 |
| 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 | 267,805 |
| 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 | 76,330 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,392 |
| 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 | 91,570 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,687 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,885 |
| 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 | 69,206 |
| World Capitals by Map | 0 | - | 5.00 | 286,444 |
| 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 | 50,995 |
| 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 | 83,495 |
| Capitals Starting With L | 0 | - | 4.81 | 88,082 |
| Capitals Starting With M | 0 | - | 4.93 | 107,789 |
| Capitals Starting With P | 0 | - | 4.88 | 78,205 |
| 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 | 127,915 |
| Capitals Starting With B | 0 | - | 4.89 | 118,474 |
| 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 | 105,041 |
| Olympic Host Countries | 0 | - | 4.98 | 200,737 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,833 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,260 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,457 |
| The Only European Country ... | 0 | - | 4.91 | 216,643 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,270 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,143 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,655 |
| Countries of Africa | 0 | - | 5.00 | 2,537,167 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,459 |
| 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 | 97,490 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,345 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,585 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,429 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,793 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,625 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,605 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,444 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,892 |
| 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 | 92,888 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,993 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,280 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,198 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,749 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,252 |
| 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 | 72,866 |
| 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 | 110,679 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,975 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,038 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,096 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,882 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,799 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,197 |
| Former Capitals | 0 | - | 4.88 | 71,458 |
| Europe Capital to Country | 0 | - | 4.99 | 250,228 |
| Asia Capital to Country | 0 | - | 4.96 | 126,661 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,878 |
| European Capitals by Map | 0 | - | 4.99 | 139,161 |
| African Capitals by Map | 0 | - | 4.99 | 133,790 |
| Coldest World Capitals | 0 | - | 4.95 | 133,559 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,399 |
| 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 | 270,008 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,031 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,831 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,565 |
| 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 | 218,722 |
| Countries of the Middle East | 0 | - | 4.96 | 201,182 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,293 |
| Slavic Countries | 0 | - | 4.96 | 111,665 |
| Countries by Emojis | 0 | - | 4.99 | 239,711 |
| African Island Countries | 0 | - | 4.96 | 101,637 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,930 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,883 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,222 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,033 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,965 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,124 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,292 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,898 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,517 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,517 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,135 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,990 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,674 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,738 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,613 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,232 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,212 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,582 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,245 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,156 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,998 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,268 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,180 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,894 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,853 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,331 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,830 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,434 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,274 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,947 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,743 |
| Official Cities in the UK | 0 | - | 4.89 | 283,742 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,524 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,435 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,802 |
