| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,960 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,469 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,250 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,827 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,863 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,058 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,617 |
| Random European Capital to Country | 0 | - | 4.98 | 190,774 |
| Random European Country to Capital | 0 | - | 4.93 | 164,970 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,367 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,689 |
| Random African Capital to Country | 0 | - | 4.97 | 100,651 |
| Random African Country to Capital | 0 | - | 4.94 | 71,167 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,418 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,754 |
| Europe Capital to Country | 0 | - | 4.99 | 249,862 |
| Asia Capital to Country | 0 | - | 4.96 | 126,574 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,753 |
| European Capitals by Map | 0 | - | 4.99 | 138,914 |
| African Capitals by Map | 0 | - | 4.99 | 133,615 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,226 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,991 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,335 |
| European Coastal Capitals | 0 | - | 4.95 | 90,504 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,547 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,608 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,786 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,792 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,711 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,955 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,604 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,995 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,452 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,396 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,966 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,150 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,139 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,255 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,239 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,196 |
| Capitals of the Stans | 0 | - | 4.95 | 26,808 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,689 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,736 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,944 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,026 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,722 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,117 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,597 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,907 |
| Name a Valid African Country | 0 | - | 4.98 | 153,947 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,550 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,522 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,044 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,262 |
| Countries with Megacities | 0 | - | 4.99 | 262,442 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,092 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,117 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,396 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,168 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,002 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,120 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,324 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,397 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,112 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,852 |
| Countries by Capital City | 0 | - | 5.00 | 68,115 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,090 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,574 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,031 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,081 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,124 |
| Moved Capital Cities | 0 | - | 4.96 | 74,129 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,607 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,508 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,179 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,359 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,485 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,991 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,952 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,744 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,640 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,611 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,797 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,340 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,464 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,013 |
| Resort Towns by Country | 0 | - | 4.30 | 40,010 |
| North American Sports Cities | 0 | - | 4.83 | 172,268 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,291 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,319 |
| Name a City - European Countries | 0 | - | 4.90 | 65,305 |
| Cities by Former Name | 0 | - | 4.83 | 91,510 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,361 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,623 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,981 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,069 |
| World Capitals by Map | 0 | - | 5.00 | 286,043 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,237 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,791 |
| Random Country to Capital | 0 | - | 4.98 | 919,569 |
| Capitals Starting With H | 0 | - | 4.91 | 92,456 |
| Capitals Starting With K | 0 | - | 4.88 | 83,224 |
| Capitals Starting With L | 0 | - | 4.81 | 87,977 |
| Capitals Starting With M | 0 | - | 4.93 | 107,644 |
| Capitals Starting With P | 0 | - | 4.88 | 78,110 |
| Capitals Starting With R | 0 | - | 4.87 | 81,744 |
| Capitals Starting With S | 0 | - | 4.90 | 85,685 |
| Capitals Starting With T | 0 | - | 4.85 | 76,093 |
| Capitals Starting With W | 0 | - | 4.87 | 91,238 |
| Capitals Starting With A | 0 | - | 4.97 | 127,773 |
| Capitals Starting With B | 0 | - | 4.89 | 118,358 |
| Capitals Starting With D | 0 | - | 4.93 | 96,330 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,090 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,106 |
| Which City in Europe? | 0 | - | 4.83 | 107,332 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,813 |
| Olympic Host Countries | 0 | - | 4.98 | 200,585 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,745 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,084 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,767 |
| The Only European Country ... | 0 | - | 4.91 | 216,357 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,042 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,975 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,624 |
| Countries of Africa | 0 | - | 5.00 | 2,533,926 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,904 |
| Countries that Beat China | 0 | - | 4.86 | 115,676 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,644 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,879 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,815 |
| Countries that Beat Canada | 0 | - | 4.90 | 93,744 |
| Countries that Beat Germany | 0 | - | 4.95 | 106,290 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,419 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,985 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,525 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,507 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,548 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,341 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,812 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,078 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,241 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,862 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,825 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,870 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,189 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,144 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,648 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,218 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,498 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,172 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,235 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,354 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,841 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,134 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,538 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,563 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,893 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,854 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,984 |
| Random European City to Country | 0 | - | 4.69 | 117,592 |
| Random Asian City to Country | 0 | - | 4.56 | 44,482 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,810 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,748 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,094 |
| Former Capitals | 0 | - | 4.88 | 71,419 |
| Capital Cities Chain | 0 | - | 4.83 | 82,650 |
| Coldest World Capitals | 0 | - | 4.95 | 133,526 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,482 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,902 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,803 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,190 |
| Which City in Canada? | 0 | - | 4.82 | 57,026 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,466 |
| Countries of the Middle East | 0 | - | 4.96 | 200,987 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,173 |
| Slavic Countries | 0 | - | 4.96 | 111,583 |
| African Island Countries | 0 | - | 4.96 | 101,540 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,844 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,008 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 46,850 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,875 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,027 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,066 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,780 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,410 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,372 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,025 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,853 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,573 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,646 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,571 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,163 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,112 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,510 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,147 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,082 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,922 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,198 |
| Countries that Beat Egypt | 0 | - | 4.88 | 56,961 |
