| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,432 |
| World Capitals Quiz | 0 | - | 5.00 | 5,067,736 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,543 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,323 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,790 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,067 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,228 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,557 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,328 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,348 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,918 |
| European Countries with One Border | 0 | - | 4.97 | 182,634 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,444 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,213 |
| Countries with Megacities | 0 | - | 4.99 | 262,140 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,062 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,097 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,360 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,133 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,982 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,081 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,299 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,374 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,084 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,798 |
| Countries by Capital City | 0 | - | 5.00 | 68,069 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,070 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,552 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,051 |
| Moved Capital Cities | 0 | - | 4.96 | 74,117 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,139 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,284 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,965 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,947 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,854 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,971 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,817 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,622 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,565 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,767 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,329 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,447 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,001 |
| North American Sports Cities | 0 | - | 4.83 | 172,238 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,286 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,311 |
| Name a City - European Countries | 0 | - | 4.90 | 65,286 |
| Cities by Former Name | 0 | - | 4.83 | 91,496 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,356 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,613 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,038 |
| World Capitals by Map | 0 | - | 5.00 | 285,930 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,225 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,609 |
| Random European Capital to Country | 0 | - | 4.98 | 190,756 |
| Random European Country to Capital | 0 | - | 4.93 | 164,928 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,343 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,675 |
| Random African Capital to Country | 0 | - | 4.97 | 100,617 |
| Random African Country to Capital | 0 | - | 4.94 | 71,136 |
| Capitals Starting With H | 0 | - | 4.91 | 92,418 |
| Capitals Starting With K | 0 | - | 4.88 | 83,101 |
| Capitals Starting With L | 0 | - | 4.81 | 87,941 |
| Capitals Starting With M | 0 | - | 4.93 | 107,593 |
| Capitals Starting With P | 0 | - | 4.88 | 78,072 |
| Capitals Starting With R | 0 | - | 4.87 | 81,707 |
| Capitals Starting With S | 0 | - | 4.90 | 85,648 |
| Capitals Starting With T | 0 | - | 4.85 | 76,061 |
| Capitals Starting With W | 0 | - | 4.87 | 91,217 |
| Capitals Starting With A | 0 | - | 4.97 | 127,727 |
| Capitals Starting With B | 0 | - | 4.89 | 118,326 |
| Capitals Starting With D | 0 | - | 4.93 | 96,300 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,760 |
| Olympic Host Countries | 0 | - | 4.98 | 200,556 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,731 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,033 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,648 |
| The Only European Country ... | 0 | - | 4.91 | 216,292 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,987 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,944 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,619 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,151 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,245 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,129 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,211 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,489 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,296 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,827 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,483 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,581 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,325 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,750 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,065 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,689 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,846 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,419 |
| Random Country to Capital | 0 | - | 4.98 | 919,398 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,157 |
| Countries of Africa | 0 | - | 5.00 | 2,533,186 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,726 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,837 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,231 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,343 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,834 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,130 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,073 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,441 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,481 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,845 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,168 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,136 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,628 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,205 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,484 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,156 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,531 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,525 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,871 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,811 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,957 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,786 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,735 |
| Former Capitals | 0 | - | 4.88 | 71,412 |
| Europe Capital to Country | 0 | - | 4.99 | 249,795 |
| Asia Capital to Country | 0 | - | 4.96 | 126,554 |
| Capital Cities Chain | 0 | - | 4.83 | 82,619 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,727 |
| European Capitals by Map | 0 | - | 4.99 | 138,848 |
| African Capitals by Map | 0 | - | 4.99 | 133,558 |
| Coldest World Capitals | 0 | - | 4.95 | 133,515 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,190 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,976 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,317 |
| European Coastal Capitals | 0 | - | 4.95 | 90,476 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,536 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,542 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,745 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,784 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,466 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,780 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,230 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,417 |
| Countries of the Middle East | 0 | - | 4.96 | 200,934 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,141 |
| Slavic Countries | 0 | - | 4.96 | 111,563 |
| African Island Countries | 0 | - | 4.96 | 101,522 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,836 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,957 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,800 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,860 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,005 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,757 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,821 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,758 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,390 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,344 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,007 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,810 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,553 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,632 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,561 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,157 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,084 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,502 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,130 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,062 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,904 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,184 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,354 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,212 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,913 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,803 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,341 |
| Boundary Waters | 0 | - | 4.92 | 88,414 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,118 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,987 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,401 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,657 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,675 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,163 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,727 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,784 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,381 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,135 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,175 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,651 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,776 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,517 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,480 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,673 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,896 |
| Ancient City to Country | 0 | - | 4.70 | 107,975 |
| Official Cities in the UK | 0 | - | 4.89 | 283,341 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,142 |
| City-States | 0 | - | 4.53 | 37,243 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,570 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,103 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,647 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,693 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,176 |
