| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,027 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,742 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,810 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,627 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,492 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,523 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,136 |
| Random European Capital to Country | 0 | - | 4.98 | 192,267 |
| Random European Country to Capital | 0 | - | 4.93 | 166,004 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,056 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,522 |
| Random African Capital to Country | 0 | - | 4.97 | 101,421 |
| Random African Country to Capital | 0 | - | 4.95 | 71,831 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,114 |
| Europe Capital to Country | 0 | - | 4.99 | 252,366 |
| Asia Capital to Country | 0 | - | 4.96 | 127,638 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,149 |
| European Capitals by Map | 0 | - | 4.99 | 142,354 |
| African Capitals by Map | 0 | - | 4.99 | 142,436 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,052 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,021 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,293 |
| European Coastal Capitals | 0 | - | 4.95 | 91,428 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,240 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,039 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,033 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,212 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,301 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,410 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,490 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,574 |
| World Capitals Quiz | 0 | - | 5.00 | 5,110,579 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,344 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,512 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,311 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,670 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,231 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,452 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,634 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,015 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,771 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,199 |
| Capitals of the Stans | 0 | - | 4.95 | 27,200 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,146 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,135 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,918 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,734 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,283 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,631 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,016 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,875 |
| Name a Valid African Country | 0 | - | 4.98 | 155,148 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,018 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,237 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,775 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,373 |
| Countries with Megacities | 0 | - | 4.99 | 267,552 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,028 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,258 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,361 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,361 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,433 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,474 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,036 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,285 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,345 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,276 |
| Countries by Capital City | 0 | - | 5.00 | 69,531 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,016 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,295 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,201 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,528 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,900 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,885 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,597 |
| Moved Capital Cities | 0 | - | 4.96 | 74,699 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,041 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,839 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,799 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,676 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,185 |
| Countries by Sports in 60 Seconds | 0 | - | 4.92 | 148,349 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,503 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,192 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,776 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,356 |
| Which City in Europe? | 0 | - | 4.83 | 107,954 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,786 |
| Countries that Beat China | 0 | - | 4.85 | 116,841 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,687 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,395 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,518 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,062 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,421 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,239 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,938 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,421 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,399 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,754 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,957 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,311 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,684 |
| Resort Towns by Country | 0 | - | 4.30 | 40,094 |
| North American Sports Cities | 0 | - | 4.82 | 173,228 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,586 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,004 |
| Name a City - European Countries | 0 | - | 4.89 | 66,296 |
| Name a Valid World City | 0 | - | 4.85 | 72,067 |
| Cities by Former Name | 0 | - | 4.83 | 92,134 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,962 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,016 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,916 |
| World Capitals by Map | 0 | - | 5.00 | 289,735 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,881 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,000 |
| Random Country to Capital | 0 | - | 4.98 | 929,316 |
| Capitals Starting With H | 0 | - | 4.91 | 93,397 |
| Capitals Starting With K | 0 | - | 4.88 | 84,471 |
| Capitals Starting With M | 0 | - | 4.94 | 109,292 |
| Capitals Starting With P | 0 | - | 4.88 | 79,077 |
| Capitals Starting With R | 0 | - | 4.88 | 82,565 |
| Capitals Starting With S | 0 | - | 4.90 | 86,650 |
| Capitals Starting With T | 0 | - | 4.86 | 76,898 |
| Capitals Starting With W | 0 | - | 4.87 | 91,774 |
| Capitals Starting With A | 0 | - | 4.97 | 129,209 |
| Capitals Starting With B | 0 | - | 4.89 | 119,593 |
| Capitals Starting With D | 0 | - | 4.94 | 97,277 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,249 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,046 |
| Olympic Host Countries | 0 | - | 4.98 | 202,111 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,142 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,354 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 314,533 |
| The Only European Country ... | 0 | - | 4.91 | 219,341 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 214,174 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,703 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,961 |
| Countries of Africa | 0 | - | 5.00 | 2,562,648 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,264 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,291 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,325 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,750 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,410 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,529 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,949 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,475 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,774 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,834 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,984 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,229 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,780 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,930 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,961 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,579 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,248 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,554 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,901 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,824 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,808 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,596 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,007 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,650 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,233 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,757 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,639 |
| Former Capitals | 0 | - | 4.88 | 71,708 |
| Capital Cities Chain | 0 | - | 4.84 | 83,464 |
| Coldest World Capitals | 0 | - | 4.95 | 134,207 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,218 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,904 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,655 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,835 |
| Which City in Canada? | 0 | - | 4.83 | 57,387 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,062 |
| Countries of the Middle East | 0 | - | 4.96 | 203,114 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,286 |
| Slavic Countries | 0 | - | 4.96 | 112,449 |
| African Island Countries | 0 | - | 4.96 | 102,659 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,213 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,628 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 53,410 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,750 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,036 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,032,511 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,929 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,399 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,825 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,277 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,988 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,686 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,647 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 113,052 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,928 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,330 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,977 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,559 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 100,019 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,251 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 46,134 |
| Countries that Beat Egypt | 0 | - | 4.91 | 67,149 |
