| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,836 |
| World Capitals Quiz | 0 | - | 5.00 | 5,103,257 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,886 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,278 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,609 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,714 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,847 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,020 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,474 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,780 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,638 |
| European Countries with One Border | 0 | - | 4.97 | 183,703 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,460 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,011 |
| Countries with Megacities | 0 | - | 4.99 | 266,849 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,730 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,036 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,045 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,164 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,215 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,283 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,941 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,167 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,161 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,065 |
| Countries by Capital City | 0 | - | 5.00 | 69,295 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,812 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,181 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,767 |
| Moved Capital Cities | 0 | - | 4.96 | 74,614 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,432 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,453,395 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,305 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,653 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,662 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,428 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,722 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,396 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,284 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,945 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,610 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,866 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,172 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,564 |
| North American Sports Cities | 0 | - | 4.83 | 173,086 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,548 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,910 |
| Name a City - European Countries | 0 | - | 4.90 | 66,106 |
| Cities by Former Name | 0 | - | 4.83 | 92,014 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,667 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,959 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,775 |
| World Capitals by Map | 0 | - | 5.00 | 289,192 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,788 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,024 |
| Random European Capital to Country | 0 | - | 4.98 | 192,065 |
| Random European Country to Capital | 0 | - | 4.93 | 165,832 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,952 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,380 |
| Random African Capital to Country | 0 | - | 4.97 | 101,286 |
| Random African Country to Capital | 0 | - | 4.95 | 71,716 |
| Capitals Starting With H | 0 | - | 4.91 | 93,299 |
| Capitals Starting With K | 0 | - | 4.89 | 84,372 |
| Capitals Starting With M | 0 | - | 4.94 | 109,124 |
| Capitals Starting With P | 0 | - | 4.88 | 78,973 |
| Capitals Starting With R | 0 | - | 4.88 | 82,479 |
| Capitals Starting With S | 0 | - | 4.90 | 86,544 |
| Capitals Starting With T | 0 | - | 4.85 | 76,807 |
| Capitals Starting With W | 0 | - | 4.87 | 91,719 |
| Capitals Starting With A | 0 | - | 4.97 | 129,055 |
| Capitals Starting With B | 0 | - | 4.89 | 119,455 |
| Capitals Starting With D | 0 | - | 4.94 | 97,165 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,631 |
| Olympic Host Countries | 0 | - | 4.98 | 201,881 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,782 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,995 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,507 |
| The Only European Country ... | 0 | - | 4.91 | 218,805 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,807 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,412 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,886 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,976 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,913 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,686 |
| Countries Bordering Iran | 0 | - | 4.83 | 96,029 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,802 |
| Countries that Border Iraq | 0 | - | 4.97 | 109,070 |
| Countries Bordering Kenya | 0 | - | 4.87 | 63,113 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,160 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,732 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,028 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,901 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,853 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,292 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,375 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,710 |
| Random Country to Capital | 0 | - | 4.98 | 927,367 |
| Countries with the Most Borders | 0 | - | 4.97 | 390,412 |
| Countries of Africa | 0 | - | 5.00 | 2,557,756 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 356,610 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 417,701 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,315 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,705 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,086 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,223 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,795 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,788 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,342 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,745 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,842 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,492 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,166 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,493 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,841 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,727 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,767 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,407 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,863 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,365 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,980 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,629 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,531 |
| Former Capitals | 0 | - | 4.88 | 71,656 |
| Europe Capital to Country | 0 | - | 4.99 | 251,940 |
| Asia Capital to Country | 0 | - | 4.96 | 127,333 |
| Capital Cities Chain | 0 | - | 4.84 | 83,316 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,889 |
| European Capitals by Map | 0 | - | 4.99 | 141,947 |
| African Capitals by Map | 0 | - | 4.99 | 142,012 |
| Coldest World Capitals | 0 | - | 4.95 | 134,132 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,861 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,805 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,124 |
| European Coastal Capitals | 0 | - | 4.95 | 91,254 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,156 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,432 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,649 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,135 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,090 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,515 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,094 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,599 |
| Countries of the Middle East | 0 | - | 4.96 | 202,535 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,110 |
| Slavic Countries | 0 | - | 4.96 | 112,316 |
| African Island Countries | 0 | - | 4.96 | 102,390 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,150 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,284 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,991 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,601 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,864 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 104,383 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,627 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,751 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,274 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,521 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,112 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,273 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,435 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,475 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,931 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,745 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,982 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,436 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,214 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,842 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,103 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,072 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,210 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,565 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 107,320 |
| Countries Bordering the EU | 0 | - | 4.78 | 73,501 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,786 |
| Boundary Waters | 0 | - | 4.92 | 88,744 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,397 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,650 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,925 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,306 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,936 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,627 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,821 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,970 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,811 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,941 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,467 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,205 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,002 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,580 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,609 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 53,965 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,647 |
| Ancient City to Country | 0 | - | 4.70 | 108,317 |
| Official Cities in the UK | 0 | - | 4.89 | 286,026 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,196 |
| City-States | 0 | - | 4.53 | 37,392 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,602 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,488 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,799 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,253 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,273 |
