| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,742 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,027 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,523 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,623 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,490 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,558 |
| Europe Capital to Country | 0 | - | 4.99 | 252,364 |
| Asia Capital to Country | 0 | - | 4.96 | 127,637 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,149 |
| European Capitals by Map | 0 | - | 4.99 | 142,353 |
| African Capitals by Map | 0 | - | 4.99 | 142,436 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,052 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,019 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,293 |
| European Coastal Capitals | 0 | - | 4.95 | 91,428 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,240 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,038 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,029 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,211 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,136 |
| Random European Capital to Country | 0 | - | 4.98 | 192,267 |
| Random European Country to Capital | 0 | - | 4.93 | 166,003 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,056 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,522 |
| Random African Capital to Country | 0 | - | 4.97 | 101,421 |
| Random African Country to Capital | 0 | - | 4.95 | 71,831 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,139 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,129 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,341 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,508 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,311 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,670 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,231 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,452 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,634 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,013 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,771 |
| Capitals of the Stans | 0 | - | 4.95 | 27,200 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,372 |
| Countries with Megacities | 0 | - | 4.99 | 267,551 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,027 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,258 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,359 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,361 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,432 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,473 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,035 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,285 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,345 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,276 |
| Countries by Capital City | 0 | - | 5.00 | 69,531 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,015 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,294 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,899 |
| Moved Capital Cities | 0 | - | 4.96 | 74,699 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,839 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,673 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,227 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,773 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,198 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,734 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,810 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,630 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,750 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,420 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,399 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,752 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,956 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,311 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,684 |
| North American Sports Cities | 0 | - | 4.82 | 173,228 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,586 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,002 |
| Name a City - European Countries | 0 | - | 4.89 | 66,295 |
| Cities by Former Name | 0 | - | 4.83 | 92,134 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,962 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,015 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,527 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,883 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,916 |
| World Capitals by Map | 0 | - | 5.00 | 289,731 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,881 |
| Capitals Starting With H | 0 | - | 4.91 | 93,394 |
| Capitals Starting With K | 0 | - | 4.88 | 84,470 |
| Capitals Starting With M | 0 | - | 4.94 | 109,291 |
| Capitals Starting With P | 0 | - | 4.88 | 79,077 |
| Capitals Starting With R | 0 | - | 4.88 | 82,565 |
| Capitals Starting With S | 0 | - | 4.90 | 86,650 |
| Capitals Starting With T | 0 | - | 4.86 | 76,897 |
| Capitals Starting With W | 0 | - | 4.87 | 91,773 |
| Capitals Starting With A | 0 | - | 4.97 | 129,209 |
| Capitals Starting With B | 0 | - | 4.89 | 119,592 |
| Capitals Starting With D | 0 | - | 4.94 | 97,275 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,046 |
| Olympic Host Countries | 0 | - | 4.98 | 202,109 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,142 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,352 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,532 |
| The Only European Country ... | 0 | - | 4.91 | 219,337 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,170 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,700 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,961 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,992 |
| Random Country to Capital | 0 | - | 4.98 | 929,312 |
| Countries of Africa | 0 | - | 5.00 | 2,562,625 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,329 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,764 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,130 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,233 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,912 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,192 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,300 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,410 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,490 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,775 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,355 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,407 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,529 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,948 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,475 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,772 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,834 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,984 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,229 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,780 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,930 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,960 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,579 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,248 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,554 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,901 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,821 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,807 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,596 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,007 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,650 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,232 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,757 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,639 |
| Former Capitals | 0 | - | 4.88 | 71,708 |
| Capital Cities Chain | 0 | - | 4.84 | 83,463 |
| Coldest World Capitals | 0 | - | 4.95 | 134,207 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,218 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,283 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,655 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,570 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,057 |
| Countries of the Middle East | 0 | - | 4.96 | 203,113 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,284 |
| Slavic Countries | 0 | - | 4.96 | 112,448 |
| African Island Countries | 0 | - | 4.96 | 102,658 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,213 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,628 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,409 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,750 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,035 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,502 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,926 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,399 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,822 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,274 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,988 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,684 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,647 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,052 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,927 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,327 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,976 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,559 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,017 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,250 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 46,100 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,247 |
| Boundary Waters | 0 | - | 4.92 | 88,810 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,435 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,773 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,451 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,022 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,773 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,312 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,150 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 105,008 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,003 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,943 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,046 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,529 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,859 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,307 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,032 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,590 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,636 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,219 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,765 |
| Ancient City to Country | 0 | - | 4.72 | 108,381 |
| Official Cities in the UK | 0 | - | 4.89 | 286,599 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,206 |
| City-States | 0 | - | 4.53 | 37,428 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,606 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,524 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,841 |
