| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.85 | 209,799 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,102 |
| Africa Capitals Quiz | 0 | - | 4.99 | 649,334 |
| Asia Capitals Quiz | 0 | - | 4.98 | 606,808 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,474 |
| Random European Capital to Country | 0 | - | 4.97 | 154,971 |
| Random European Country to Capital | 0 | - | 4.92 | 136,922 |
| Random Asian Country to Capital | 0 | - | 4.93 | 86,805 |
| Random Asian Capital to Country | 0 | - | 4.97 | 90,899 |
| Random African Capital to Country | 0 | - | 4.97 | 81,087 |
| Random African Country to Capital | 0 | - | 4.94 | 63,041 |
| World Capitals Quiz | 0 | - | 5.00 | 4,576,105 |
| Europe Capital to Country | 0 | - | 4.99 | 223,478 |
| Asia Capital to Country | 0 | - | 4.96 | 107,258 |
| EU Capitals with No Hints | 0 | - | 4.96 | 127,091 |
| European Capitals by Map | 0 | - | 4.99 | 97,899 |
| African Capitals by Map | 0 | - | 4.99 | 113,866 |
| Asian Capitals by Map | 0 | - | 4.98 | 49,043 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 80,492 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,863 |
| European Coastal Capitals | 0 | - | 4.96 | 78,616 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,486 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 234,104 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 197,402 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,762 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 128,570 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,408,407 |
| South America Capitals Quiz | 0 | - | 5.00 | 433,667 |
| North America Capitals Quiz | 0 | - | 4.99 | 190,550 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,504 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 85,446 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 107,194 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 79,168 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 67,702 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,642 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,858 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,038 |
| Countries with Megacities | 0 | - | 4.99 | 201,842 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,371 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,964 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,246 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,874 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,039 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,910 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 79,982 |
| Northernmost Capital Cities | 0 | - | 4.98 | 96,015 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,903 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,618 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 93,268 |
| Same Letter Country and Capital | 0 | - | 4.99 | 130,213 |
| Countries by Capital City | 0 | - | 4.99 | 51,477 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 67,191 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 106,184 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 74,398 |
| Moved Capital Cities | 0 | - | 4.96 | 67,960 |
| Name a Valid European Capital | 0 | - | 4.94 | 128,055 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 62,365 |
| Countries by Sports League Revenue | 0 | - | 4.89 | 45,079 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,328,836 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,375 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,775 |
| Most Guessed European Capitals | 0 | - | 4.89 | 97,103 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,431 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,349 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,573 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,265 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,247 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,619 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,657 |
| Cities by Former Name | 0 | - | 4.84 | 83,977 |
| Capitals in their Native Languages | 0 | - | 4.94 | 128,147 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,942 |
| World Capitals by Proximity | 0 | - | 4.89 | 303,659 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 49,318 |
| World Capitals by Map | 0 | - | 5.00 | 247,594 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 51,046 |
| Random Capital to Country | 0 | - | 4.99 | 2,396,162 |
| Random Country to Capital | 0 | - | 4.98 | 815,012 |
| World Capitals By Letter - H | 0 | - | 4.85 | 72,113 |
| World Capitals By Letter - K | 0 | - | 4.82 | 66,782 |
| World Capitals By Letter - M | 0 | - | 4.89 | 87,143 |
| World Capitals By Letter - P | 0 | - | 4.85 | 68,005 |
| World Capitals By Letter - R | 0 | - | 4.88 | 73,097 |
| World Capitals By Letter - S | 0 | - | 4.89 | 75,465 |
| World Capitals By Letter - T | 0 | - | 4.82 | 67,267 |
| World Capitals By Letter - W | 0 | - | 4.88 | 83,115 |
| World Capitals By Letter - A | 0 | - | 4.96 | 106,327 |
| World Capitals By Letter - B | 0 | - | 4.84 | 98,115 |
| World Capitals By Letter - D | 0 | - | 4.91 | 80,153 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,177 |
| Olympic Host Countries | 0 | - | 4.98 | 164,355 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 95,389 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 239,543 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,770 |
| The Only European Country ... | 0 | - | 4.93 | 183,193 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,002 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,380 |
| Countries of Africa | 0 | - | 5.00 | 2,216,149 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,477 |
| Random African Capitals on a Map | 0 | - | 4.95 | 49,098 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 45,802 |
| Random European Capitals on a Map | 0 | - | 4.98 | 108,782 |
| US State Capitals Quiz - No Hints | 0 | - | 4.96 | 80,988 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,891 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 126,130 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,285 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,797 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,371 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,407 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 84,667 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,075 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,968 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,241 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 207,794 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,918 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,358 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,990 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 54,247 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,646 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 88,193 |
| Biggest City by Body of Water | 0 | - | 4.52 | 39,070 |
| Global Cities Quiz | 0 | - | 4.64 | 157,822 |
| Southernmost Major Cities | 0 | - | 4.42 | 45,510 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.46 | 69,101 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,569 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.42 | 35,153 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 90,580 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 95,975 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 195,832 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 58,945 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 119,752 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 105,612 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,663 |
| Capital Cities Chain | 0 | - | 4.86 | 72,578 |
| Coldest World Capitals | 0 | - | 4.96 | 128,744 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 63,641 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 80,162 |
| U.S. State Capitals Map Quiz | 0 | - | 4.92 | 127,833 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,208,903 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,100 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 190,589 |
| Countries of the Middle East | 0 | - | 4.96 | 176,932 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 76,430 |
| Slavic Countries | 0 | - | 4.96 | 101,596 |
| African Island Countries | 0 | - | 4.96 | 91,082 |
| Straight Shot to Antarctica | 0 | - | 4.91 | 38,041 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.92 | 51,776 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 33,062 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 154,688 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 148,352 |
| Countries of North America Quiz | 0 | - | 5.00 | 897,456 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,801 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 95,250 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,647 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.94 | 56,913 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 58,924 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 200,767 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 180,197 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,643 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,889 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 134,189 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 140,189 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,614 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,485 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,202 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,194 |
| Random State Capital to U.S. State | 0 | - | 4.86 | 76,355 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 50,219 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 209,480 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 164,071 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 160,482 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 82,358 |
| Countries by Population Decrease | 0 | - | 4.43 | 47,000 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,709 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,997 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,406 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.87 | 15,761 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 163,530 |
| Lonely Planet Top 200 Cities | 0 | - | 4.58 | 211,438 |
| Ancient City to Country | 0 | - | 4.75 | 102,216 |
| Official Cities in the UK | 0 | - | 4.87 | 236,771 |
| City-States | 0 | - | 4.54 | 35,231 |
| Cities with the Most International Tourists | 0 | - | 4.46 | 50,504 |
| Most Guessed Cities by Country #3 | 0 | - | 4.88 | 21,466 |
| Damaged and Destroyed Cities | 0 | - | 4.41 | 42,423 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 40,992 |
| City to Country - Tile Select #1 | 0 | - | 4.75 | 35,400 |
| City Where It Happened #2 | 0 | - | 4.43 | 50,861 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 53,590 |
| Capitals A-Z | 0 | - | 4.85 | 42,300 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.44 | 49,383 |
| Capitals Based on Last Two Letters | 0 | - | 4.47 | 55,957 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,717 |
| Asian Coastal Capitals | 0 | - | 4.54 | 20,486 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.90 | 90,990 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 48,054 |
| Word Scramble - European Capitals | 0 | - | 4.79 | 88,321 |
| Top Five Capitals By Category #1 | 0 | - | 4.58 | 53,895 |
| Top Five Capitals By Category #2 | 0 | - | 4.55 | 46,160 |
| Most Expensive Capital Cities | 0 | - | 4.54 | 73,893 |
