| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,190 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,738 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,713 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,187 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,053 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,978 |
| Random European Capital to Country | 0 | - | 4.98 | 189,109 |
| Random European Country to Capital | 0 | - | 4.92 | 147,370 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,306 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,348 |
| Random African Capital to Country | 0 | - | 4.97 | 99,690 |
| Random African Country to Capital | 0 | - | 4.94 | 70,166 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,761 |
| Europe Capital to Country | 0 | - | 4.99 | 247,382 |
| Asia Capital to Country | 0 | - | 4.96 | 125,669 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,353 |
| European Capitals by Map | 0 | - | 4.99 | 136,068 |
| African Capitals by Map | 0 | - | 4.99 | 132,090 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,036 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,103 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,554 |
| European Coastal Capitals | 0 | - | 4.95 | 89,687 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,159 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,509 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,637 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,390 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,221 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,587 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,768 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,023 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,018 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,985 |
| Countries that Start with A | 0 | - | 4.97 | 2,145,492 |
| Countries that Start with B | 0 | - | 4.95 | 2,278,711 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,356 |
| Countries that Start with D | 0 | - | 4.96 | 700,889 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,757 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,978 |
| Countries that Start with H | 0 | - | 4.96 | 597,397 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,631 |
| Countries that Start with J | 0 | - | 4.98 | 595,465 |
| Countries that Start with K | 0 | - | 4.96 | 808,909 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,301 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,154 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,985 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,698 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,727 |
| Countries that Start with U | 0 | - | 4.97 | 899,575 |
| Countries that Start with V | 0 | - | 4.98 | 604,757 |
| Countries that Start with F | 0 | - | 4.83 | 611,746 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,676 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,665 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,592 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,362 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,050 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,112 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,662 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,395 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,725 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,284 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,642 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,327 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,839 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,126 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,331 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,630 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,456 |
| Name a Valid Asian Country | 0 | - | 4.98 | 119,984 |
| Name a Valid African Country | 0 | - | 4.98 | 152,857 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,091 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,386 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,952 |
| Countries with Megacities | 0 | - | 4.99 | 246,393 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,864 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,774 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,321 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,726 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,658 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,863 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,601 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,552 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,518 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,299 |
| Countries by Capital City | 0 | - | 5.00 | 66,527 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,262 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,849 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,128 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,355 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,362 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,163 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,729 |
| Moved Capital Cities | 0 | - | 4.96 | 73,544 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,200 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,129 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,453 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,045 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,786 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,464 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,841 |
| Which City in Europe? | 0 | - | 4.83 | 106,574 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,448 |
| Countries that Beat China | 0 | - | 4.86 | 114,652 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,822 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,757 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,773 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,791 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,427 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,528 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,186 |
| Resort Towns by Country | 0 | - | 4.30 | 39,913 |
| North American Sports Cities | 0 | - | 4.83 | 170,805 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,899 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,669 |
| Cities by Former Name | 0 | - | 4.84 | 90,903 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,658 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,212 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,843 |
| World Capitals by Map | 0 | - | 5.00 | 282,983 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,618 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,963 |
| Random Country to Capital | 0 | - | 4.98 | 910,964 |
| Capitals Starting With H | 0 | - | 4.90 | 90,195 |
| Capitals Starting With K | 0 | - | 4.85 | 75,612 |
| Capitals Starting With L | 0 | - | 4.81 | 86,741 |
| Capitals Starting With M | 0 | - | 4.93 | 105,931 |
| Capitals Starting With P | 0 | - | 4.88 | 77,108 |
| Capitals Starting With R | 0 | - | 4.87 | 80,902 |
| Capitals Starting With S | 0 | - | 4.89 | 84,725 |
| Capitals Starting With T | 0 | - | 4.84 | 75,227 |
| Capitals Starting With W | 0 | - | 4.89 | 90,544 |
| Capitals Starting With A | 0 | - | 4.97 | 126,433 |
| Capitals Starting With B | 0 | - | 4.89 | 117,191 |
| Capitals Starting With D | 0 | - | 4.93 | 95,280 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,254 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,826 |
| Olympic Host Countries | 0 | - | 4.98 | 198,806 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,757 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,415 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,058 |
| The Only European Country ... | 0 | - | 4.91 | 213,614 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,953 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,397 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,165 |
| Countries of Africa | 0 | - | 5.00 | 2,505,751 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,840 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,109 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,102 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,216 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,816 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,334 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,509 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,454 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,367 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,215 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,201 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,551 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,516 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,745 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,146 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,283 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,284 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,132 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,965 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,705 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,578 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,289 |
| Former Capitals | 0 | - | 4.88 | 71,107 |
| Capital Cities Chain | 0 | - | 4.84 | 81,857 |
| Coldest World Capitals | 0 | - | 4.95 | 133,010 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,728 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,184 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,922 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,295 |
| Which City in Canada? | 0 | - | 4.82 | 56,630 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,156 |
| Countries of the Middle East | 0 | - | 4.96 | 198,781 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,189 |
| Slavic Countries | 0 | - | 4.96 | 110,800 |
| African Island Countries | 0 | - | 4.96 | 100,700 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,468 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,230 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,894 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,043 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,013 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,888 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,623 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,407 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,981 |
| Countries that Start with R | 0 | - | 4.43 | 443,307 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,718 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,535 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,630 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,702 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,126 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,114 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,232 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,504 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,186 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,344 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,164 |
