| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,024 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,738 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,794 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,597 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,448 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,520 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,134 |
| Random European Capital to Country | 0 | - | 4.98 | 192,261 |
| Random European Country to Capital | 0 | - | 4.93 | 165,994 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,054 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,516 |
| Random African Capital to Country | 0 | - | 4.97 | 101,419 |
| Random African Country to Capital | 0 | - | 4.95 | 71,806 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,112 |
| Europe Capital to Country | 0 | - | 4.99 | 252,340 |
| Asia Capital to Country | 0 | - | 4.96 | 127,634 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,137 |
| European Capitals by Map | 0 | - | 4.99 | 142,328 |
| African Capitals by Map | 0 | - | 4.99 | 142,423 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,040 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,004 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,287 |
| European Coastal Capitals | 0 | - | 4.95 | 91,413 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,238 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,011 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,011 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,208 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,297 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,407 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,483 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,524 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,371 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,325 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,495 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,308 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,662 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,219 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,450 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,630 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,008 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,769 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,192 |
| Capitals of the Stans | 0 | - | 4.95 | 27,196 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,103 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,053 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,910 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,730 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,280 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,625 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,993 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,871 |
| Name a Valid African Country | 0 | - | 4.98 | 155,147 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,007 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,182 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,762 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,363 |
| Countries with Megacities | 0 | - | 4.99 | 267,533 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,020 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,252 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,347 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,352 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,425 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,469 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,034 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,282 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,341 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,268 |
| Countries by Capital City | 0 | - | 5.00 | 69,528 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,002 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,292 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,183 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,524 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,892 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,875 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,594 |
| Moved Capital Cities | 0 | - | 4.96 | 74,697 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,041 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,837 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,668 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,171 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 148,328 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,500 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,192 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,773 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,353 |
| Which City in Europe? | 0 | - | 4.83 | 107,951 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,783 |
| Countries that Beat China | 0 | - | 4.85 | 116,834 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,677 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,394 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,518 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,058 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,417 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,235 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,933 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,413 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,387 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,747 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,954 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,306 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,682 |
| Resort Towns by Country | 0 | - | 4.30 | 40,093 |
| North American Sports Cities | 0 | - | 4.82 | 173,225 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,586 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,000 |
| Name a City - European Countries | 0 | - | 4.89 | 66,282 |
| Name a Valid World City | 0 | - | 4.85 | 72,061 |
| Cities by Former Name | 0 | - | 4.83 | 92,130 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,961 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,015 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,911 |
| World Capitals by Map | 0 | - | 5.00 | 289,718 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,879 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,938 |
| Random Country to Capital | 0 | - | 4.98 | 929,258 |
| Capitals Starting With H | 0 | - | 4.91 | 93,389 |
| Capitals Starting With K | 0 | - | 4.88 | 84,469 |
| Capitals Starting With M | 0 | - | 4.94 | 109,286 |
| Capitals Starting With P | 0 | - | 4.88 | 79,074 |
| Capitals Starting With R | 0 | - | 4.88 | 82,560 |
| Capitals Starting With S | 0 | - | 4.90 | 86,647 |
| Capitals Starting With T | 0 | - | 4.86 | 76,895 |
| Capitals Starting With W | 0 | - | 4.87 | 91,772 |
| Capitals Starting With A | 0 | - | 4.97 | 129,201 |
| Capitals Starting With B | 0 | - | 4.89 | 119,587 |
| Capitals Starting With D | 0 | - | 4.94 | 97,272 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,221 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,033 |
| Olympic Host Countries | 0 | - | 4.98 | 202,102 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,129 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,334 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,496 |
| The Only European Country ... | 0 | - | 4.91 | 219,325 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,156 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,690 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,960 |
| Countries of Africa | 0 | - | 5.00 | 2,562,480 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,263 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,291 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,323 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,748 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,387 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,526 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,947 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,472 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,770 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,828 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,981 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,229 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,775 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,925 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,956 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,574 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,247 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,552 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,897 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,813 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,805 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,587 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,001 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,644 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,217 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,747 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,635 |
| Former Capitals | 0 | - | 4.88 | 71,707 |
| Capital Cities Chain | 0 | - | 4.84 | 83,460 |
| Coldest World Capitals | 0 | - | 4.95 | 134,204 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,215 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,904 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,652 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,830 |
| Which City in Canada? | 0 | - | 4.83 | 57,386 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,045 |
| Countries of the Middle East | 0 | - | 4.96 | 203,108 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,279 |
| Slavic Countries | 0 | - | 4.96 | 112,445 |
| African Island Countries | 0 | - | 4.96 | 102,653 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,210 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,622 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,390 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,746 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,032 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,455 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,920 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,393 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,815 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,264 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,974 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,679 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,646 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,050 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,924 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,292 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,964 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,551 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,010 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,244 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 45,812 |
| Countries that Beat Egypt | 0 | - | 4.91 | 67,143 |
