| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,732 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,000 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,514 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,485 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,359 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,123 |
| Random European Capital to Country | 0 | - | 4.98 | 192,244 |
| Random European Country to Capital | 0 | - | 4.93 | 165,987 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,049 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,512 |
| Random African Capital to Country | 0 | - | 4.97 | 101,401 |
| Random African Country to Capital | 0 | - | 4.95 | 71,801 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,757 |
| Europe Capital to Country | 0 | - | 4.99 | 252,290 |
| Asia Capital to Country | 0 | - | 4.96 | 127,622 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,106 |
| European Capitals by Map | 0 | - | 4.99 | 142,299 |
| African Capitals by Map | 0 | - | 4.99 | 142,358 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,014 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,982 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,263 |
| European Coastal Capitals | 0 | - | 4.95 | 91,393 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,233 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,976 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,978 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,202 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,239 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,985 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,846 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,253 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,434 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,297 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,643 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,205 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,437 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,622 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,003 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,751 |
| Capitals of the Stans | 0 | - | 4.95 | 27,188 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,331 |
| Countries with Megacities | 0 | - | 4.99 | 267,483 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,991 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,234 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,321 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,336 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,406 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,728 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,458 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,024 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,272 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,326 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,247 |
| Countries by Capital City | 0 | - | 5.00 | 69,510 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,937 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,283 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,882 |
| Moved Capital Cities | 0 | - | 4.96 | 74,692 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,740 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,835 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,602 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,643 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 148,273 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,034 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,717 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,128 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,511 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,852 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,748 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,403 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,363 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,736 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,948 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,295 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,674 |
| North American Sports Cities | 0 | - | 4.82 | 173,211 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,583 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,994 |
| Name a City - European Countries | 0 | - | 4.89 | 66,255 |
| Name a Valid World City | 0 | - | 4.85 | 72,049 |
| Cities by Former Name | 0 | - | 4.83 | 92,118 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,956 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,010 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,901 |
| World Capitals by Map | 0 | - | 5.00 | 289,680 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,869 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,749 |
| Random Country to Capital | 0 | - | 4.98 | 929,108 |
| Capitals Starting With H | 0 | - | 4.91 | 93,383 |
| Capitals Starting With K | 0 | - | 4.88 | 84,460 |
| Capitals Starting With M | 0 | - | 4.94 | 109,271 |
| Capitals Starting With P | 0 | - | 4.88 | 79,064 |
| Capitals Starting With R | 0 | - | 4.88 | 82,553 |
| Capitals Starting With S | 0 | - | 4.90 | 86,638 |
| Capitals Starting With T | 0 | - | 4.86 | 76,888 |
| Capitals Starting With W | 0 | - | 4.87 | 91,768 |
| Capitals Starting With A | 0 | - | 4.97 | 129,184 |
| Capitals Starting With B | 0 | - | 4.89 | 119,575 |
| Capitals Starting With D | 0 | - | 4.94 | 97,265 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,988 |
| Olympic Host Countries | 0 | - | 4.98 | 202,083 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,103 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,304 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,391 |
| The Only European Country ... | 0 | - | 4.91 | 219,285 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,121 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,661 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,957 |
| Countries of Africa | 0 | - | 5.00 | 2,562,111 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,184 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,295 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,404 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,472 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,768 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,351 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,297 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,348 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,511 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,943 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,459 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,752 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,812 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,965 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,223 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,759 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,911 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,948 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,567 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,238 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,544 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,888 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,808 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,325 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,758 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,121 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,233 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,804 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,571 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,990 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,611 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,171 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,739 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,629 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,890 |
| Former Capitals | 0 | - | 4.88 | 71,704 |
| Capital Cities Chain | 0 | - | 4.84 | 83,447 |
| Coldest World Capitals | 0 | - | 4.95 | 134,194 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,203 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,270 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,633 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,182 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,401 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,010 |
| Countries of the Middle East | 0 | - | 4.96 | 203,081 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,265 |
| Slavic Countries | 0 | - | 4.96 | 112,434 |
| African Island Countries | 0 | - | 4.96 | 102,625 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,206 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,594 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,350 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,737 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,022 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,345 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,903 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,385 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,797 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 60,102 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,948 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,923 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,655 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,630 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,038 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,910 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,178 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,943 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,525 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,994 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,231 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 44,980 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,908 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,732 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,284 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,103 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,984 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,996 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,927 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,030 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,518 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,842 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,299 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,748 |
| Ancient City to Country | 0 | - | 4.72 | 108,379 |
| Official Cities in the UK | 0 | - | 4.89 | 286,543 |
| City-States | 0 | - | 4.53 | 37,423 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,519 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,838 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,407 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,284 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,546 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,179 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,333 |
