| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,217 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,693 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,939 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,276 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,534 |
| World Capitals Quiz | 0 | - | 5.00 | 5,076,954 |
| Europe Capital to Country | 0 | - | 4.99 | 250,482 |
| Asia Capital to Country | 0 | - | 4.96 | 126,722 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,977 |
| European Capitals by Map | 0 | - | 4.99 | 139,421 |
| African Capitals by Map | 0 | - | 4.99 | 133,911 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,488 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,133 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,476 |
| European Coastal Capitals | 0 | - | 4.95 | 90,656 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,611 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,231 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,185 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,862 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,704 |
| Random European Capital to Country | 0 | - | 4.98 | 191,005 |
| Random European Country to Capital | 0 | - | 4.93 | 165,211 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,502 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,804 |
| Random African Capital to Country | 0 | - | 4.97 | 100,768 |
| Random African Country to Capital | 0 | - | 4.94 | 71,292 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,683 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,727 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,748 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,032 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,530 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,090 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,345 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,880 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,217 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,418 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,325 |
| Capitals of the Stans | 0 | - | 4.95 | 26,863 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,614 |
| Countries with Megacities | 0 | - | 4.99 | 263,818 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,465 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,322 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,731 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,365 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,242 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,327 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,457 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,551 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,307 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,102 |
| Countries by Capital City | 0 | - | 5.00 | 68,383 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,224 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,702 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,269 |
| Moved Capital Cities | 0 | - | 4.96 | 74,246 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,451 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,486 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,518 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,639 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,151 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,484 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,202 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,491 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,775 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,945 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,980 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,446 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,597 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,120 |
| North American Sports Cities | 0 | - | 4.83 | 172,458 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,345 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,434 |
| Name a City - European Countries | 0 | - | 4.90 | 65,442 |
| Cities by Former Name | 0 | - | 4.83 | 91,608 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,421 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,685 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,556 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,543 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,267 |
| World Capitals by Map | 0 | - | 5.00 | 286,718 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,358 |
| Capitals Starting With H | 0 | - | 4.91 | 92,619 |
| Capitals Starting With K | 0 | - | 4.88 | 83,613 |
| Capitals Starting With L | 0 | - | 4.81 | 88,147 |
| Capitals Starting With M | 0 | - | 4.93 | 107,892 |
| Capitals Starting With P | 0 | - | 4.88 | 78,255 |
| Capitals Starting With R | 0 | - | 4.87 | 81,894 |
| Capitals Starting With S | 0 | - | 4.90 | 85,846 |
| Capitals Starting With T | 0 | - | 4.85 | 76,213 |
| Capitals Starting With W | 0 | - | 4.87 | 91,338 |
| Capitals Starting With A | 0 | - | 4.97 | 128,148 |
| Capitals Starting With B | 0 | - | 4.89 | 118,574 |
| Capitals Starting With D | 0 | - | 4.93 | 96,512 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,193 |
| Olympic Host Countries | 0 | - | 4.98 | 200,867 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,904 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,366 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,802 |
| The Only European Country ... | 0 | - | 4.91 | 216,870 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,424 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,271 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,676 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,407 |
| Random Country to Capital | 0 | - | 4.98 | 921,183 |
| Countries of Africa | 0 | - | 5.00 | 2,539,398 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,247 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,418 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,894 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,154 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,261 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,015 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,857 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,010 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,785 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,218 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,151 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,983 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,699 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,640 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,522 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,963 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,215 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,371 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,922 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,039 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,059 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,357 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,223 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,796 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,282 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,575 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,295 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,575 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,769 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,043 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,178 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,175 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,960 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,846 |
| Former Capitals | 0 | - | 4.88 | 71,480 |
| Capital Cities Chain | 0 | - | 4.84 | 82,799 |
| Coldest World Capitals | 0 | - | 4.95 | 133,583 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,619 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,830 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,963 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,289 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,903 |
| Countries of the Middle East | 0 | - | 4.96 | 201,287 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,369 |
| Slavic Countries | 0 | - | 4.96 | 111,729 |
| African Island Countries | 0 | - | 4.96 | 101,705 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,909 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,344 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,125 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,031 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,193 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,024,021 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,983 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,564 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,615 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,201 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,097 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,740 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,816 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,643 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,276 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,263 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,639 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,310 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,207 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,045 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,321 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,702 |
| Boundary Waters | 0 | - | 4.92 | 88,500 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,192 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,151 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,536 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,503 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,015 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,955 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,415 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,877 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,838 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,472 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,350 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,246 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,447 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,798 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,821 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,531 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,517 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 46,748 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,016 |
| Ancient City to Country | 0 | - | 4.70 | 108,063 |
| Official Cities in the UK | 0 | - | 4.89 | 284,012 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,154 |
| City-States | 0 | - | 4.53 | 37,278 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,575 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,157 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,690 |
