| Random European Capital to Country | 0 | - | 4.98 | 192,326 |
| Random European Country to Capital | 0 | - | 4.93 | 166,055 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,083 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,545 |
| Random African Capital to Country | 0 | - | 4.97 | 101,448 |
| Random African Country to Capital | 0 | - | 4.94 | 71,869 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,090 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,773 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,923 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,918 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,797 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,561 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,160 |
| Europe Capital to Country | 0 | - | 4.99 | 252,513 |
| Asia Capital to Country | 0 | - | 4.96 | 127,675 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,234 |
| European Capitals by Map | 0 | - | 4.99 | 142,456 |
| African Capitals by Map | 0 | - | 4.99 | 142,544 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,100 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,091 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,354 |
| European Coastal Capitals | 0 | - | 4.95 | 91,470 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,261 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,194 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,149 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,234 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,308 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,423 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,548 |
| World Capitals Quiz | 0 | - | 5.00 | 5,112,655 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,535 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,604 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,350 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,708 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,283 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,473 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,652 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,052 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,805 |
| Capitals of the Stans | 0 | - | 4.95 | 27,221 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,457 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,901 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,968 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,768 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,673 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,794 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,906 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,461 |
| Countries with Megacities | 0 | - | 4.99 | 267,762 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,112 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,314 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,442 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,419 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,488 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,536 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,075 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,325 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,408 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,346 |
| Countries by Capital City | 0 | - | 5.00 | 69,588 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,118 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,339 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,341 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,573 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,936 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,926 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,617 |
| Moved Capital Cities | 0 | - | 4.96 | 74,723 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,072 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,850 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,735 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,531 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,199 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,813 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,372 |
| Countries that Beat China | 0 | - | 4.85 | 116,921 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,424 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,445 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,493 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,794 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,988 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,348 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,708 |
| North American Sports Cities | 0 | - | 4.82 | 173,269 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,596 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,036 |
| Name a City - European Countries | 0 | - | 4.89 | 66,356 |
| Cities by Former Name | 0 | - | 4.83 | 92,170 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,975 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,033 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,950 |
| World Capitals by Map | 0 | - | 5.00 | 289,864 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,913 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,814 |
| Random Country to Capital | 0 | - | 4.98 | 929,792 |
| Capitals Starting With H | 0 | - | 4.91 | 93,429 |
| Capitals Starting With K | 0 | - | 4.88 | 84,493 |
| Capitals Starting With L | 0 | - | 4.81 | 96,064 |
| Capitals Starting With M | 0 | - | 4.94 | 109,340 |
| Capitals Starting With P | 0 | - | 4.88 | 79,109 |
| Capitals Starting With R | 0 | - | 4.88 | 82,594 |
| Capitals Starting With S | 0 | - | 4.90 | 86,681 |
| Capitals Starting With T | 0 | - | 4.86 | 76,930 |
| Capitals Starting With W | 0 | - | 4.87 | 91,783 |
| Capitals Starting With A | 0 | - | 4.97 | 129,252 |
| Capitals Starting With B | 0 | - | 4.89 | 119,626 |
| Capitals Starting With D | 0 | - | 4.94 | 97,303 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,331 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,139 |
| Olympic Host Countries | 0 | - | 4.98 | 202,176 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,216 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,428 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,852 |
| The Only European Country ... | 0 | - | 4.91 | 219,492 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,264 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,781 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,972 |
| Countries of Africa | 0 | - | 5.00 | 2,563,808 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,759 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,549 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,585 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,963 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,535 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,824 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,871 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,023 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,248 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,839 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,991 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,998 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,600 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,274 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,566 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,916 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,853 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,825 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,652 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,045 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,742 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,306 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,797 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,680 |
| Former Capitals | 0 | - | 4.88 | 71,719 |
| Capital Cities Chain | 0 | - | 4.84 | 83,499 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,701 |
| Coldest World Capitals | 0 | - | 4.95 | 134,264 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,239 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,961 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,324 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,701 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,872 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,889 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,183 |
| Countries of the Middle East | 0 | - | 4.96 | 203,207 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,338 |
| Slavic Countries | 0 | - | 4.96 | 112,481 |
| African Island Countries | 0 | - | 4.96 | 102,706 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,232 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,695 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,520 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,791 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,101 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,033,000 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,979 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,457 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,910 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,336 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 219,097 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,739 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,696 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,068 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,962 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,493 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 118,036 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,657 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,054 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,289 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 47,240 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,338 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,775 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,147 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,238 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,961 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,756 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,005 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,630 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,156 |
| Countries that Start with D | 0 | - | 4.96 | 717,595 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,419 |
| Countries that Start with G | 0 | - | 4.97 | 1,512,974 |
| Countries that Start with H | 0 | - | 4.96 | 610,391 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,615 |
| Countries that Start with J | 0 | - | 4.98 | 607,775 |
| Countries that Start with K | 0 | - | 4.97 | 821,598 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,897 |
| Countries that Start with N | 0 | - | 4.93 | 1,124,954 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,122 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,606 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,733 |
| Countries that Start with U | 0 | - | 4.97 | 909,109 |
