| Random European Capital to Country | 0 | - | 4.98 | 191,878 |
| Random European Country to Capital | 0 | - | 4.93 | 165,691 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,894 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,290 |
| Random African Capital to Country | 0 | - | 4.97 | 101,176 |
| Random African Country to Capital | 0 | - | 4.95 | 71,638 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,370 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,550 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,336 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,345 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,477 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,311 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,967 |
| Europe Capital to Country | 0 | - | 4.99 | 251,673 |
| Asia Capital to Country | 0 | - | 4.96 | 127,236 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,709 |
| European Capitals by Map | 0 | - | 4.99 | 141,543 |
| African Capitals by Map | 0 | - | 4.99 | 141,620 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,672 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,677 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,018 |
| European Coastal Capitals | 0 | - | 4.95 | 91,127 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,095 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,961 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,387 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,077 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,165 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,293 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,260 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,718 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,098 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,611 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,035 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,438 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,903 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,274 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,482 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,811 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,606 |
| Capitals of the Stans | 0 | - | 4.95 | 27,071 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,784 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,276 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,634 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,492 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,463 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,907 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,925 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,715 |
| Countries with Megacities | 0 | - | 4.99 | 266,233 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,440 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,855 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,732 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,970 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,034 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,957 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,840 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,024 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,976 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,863 |
| Countries by Capital City | 0 | - | 5.00 | 69,142 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,693 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,081 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,232 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,212 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,661 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,741 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,441 |
| Moved Capital Cities | 0 | - | 4.96 | 74,552 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,925 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,454 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,148 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,304 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,507 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Countries that Beat China | 0 | - | 4.85 | 116,537 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,173 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,711 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,495 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,780 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,052 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,457 |
| North American Sports Cities | 0 | - | 4.83 | 172,970 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,505 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,812 |
| Name a City - European Countries | 0 | - | 4.90 | 65,985 |
| Cities by Former Name | 0 | - | 4.83 | 91,930 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,621 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,901 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,664 |
| World Capitals by Map | 0 | - | 5.00 | 288,755 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,705 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,840 |
| Random Country to Capital | 0 | - | 4.98 | 925,866 |
| Capitals Starting With H | 0 | - | 4.91 | 93,086 |
| Capitals Starting With K | 0 | - | 4.88 | 84,157 |
| Capitals Starting With L | 0 | - | 4.79 | 92,876 |
| Capitals Starting With M | 0 | - | 4.93 | 108,730 |
| Capitals Starting With P | 0 | - | 4.88 | 78,738 |
| Capitals Starting With R | 0 | - | 4.88 | 82,293 |
| Capitals Starting With S | 0 | - | 4.90 | 86,328 |
| Capitals Starting With T | 0 | - | 4.85 | 76,621 |
| Capitals Starting With W | 0 | - | 4.87 | 91,589 |
| Capitals Starting With A | 0 | - | 4.97 | 128,778 |
| Capitals Starting With B | 0 | - | 4.89 | 119,181 |
| Capitals Starting With D | 0 | - | 4.93 | 96,956 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,071 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,332 |
| Olympic Host Countries | 0 | - | 4.98 | 201,632 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,646 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,780 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,598 |
| The Only European Country ... | 0 | - | 4.91 | 218,431 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,500 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,194 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,848 |
| Countries of Africa | 0 | - | 5.00 | 2,553,617 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,677 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,445 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,195 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,840 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,119 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,486 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,607 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,740 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,114 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,529 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,601 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,748 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,428 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,105 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,443 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,776 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,634 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,720 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,282 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,743 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,116 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,837 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,516 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,446 |
| Former Capitals | 0 | - | 4.88 | 71,622 |
| Capital Cities Chain | 0 | - | 4.84 | 83,219 |
| Coldest World Capitals | 0 | - | 4.95 | 134,083 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,997 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,706 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,134 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,407 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,656 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,936 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,293 |
| Countries of the Middle East | 0 | - | 4.96 | 202,314 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,966 |
| Slavic Countries | 0 | - | 4.96 | 112,200 |
| African Island Countries | 0 | - | 4.96 | 102,272 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,096 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,110 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,655 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,480 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,731 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,029,145 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,603 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,137 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,359 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,975 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,104 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,310 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,380 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,874 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,656 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,857 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,324 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,095 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,735 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,013 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,987 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,299 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,641 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,043 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,212 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,666 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,664 |
| Countries that Start with A | 0 | - | 4.98 | 2,172,317 |
| Countries that Start with B | 0 | - | 4.95 | 2,303,331 |
| Countries that Start with C | 0 | - | 4.96 | 1,829,018 |
| Countries that Start with D | 0 | - | 4.96 | 714,673 |
| Countries that Start with E | 0 | - | 4.95 | 1,383,045 |
| Countries that Start with G | 0 | - | 4.97 | 1,509,383 |
| Countries that Start with H | 0 | - | 4.96 | 608,337 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,982 |
| Countries that Start with J | 0 | - | 4.98 | 605,798 |
| Countries that Start with K | 0 | - | 4.97 | 819,489 |
| Countries that Start with L | 0 | - | 4.98 | 1,095,232 |
| Countries that Start with N | 0 | - | 4.93 | 1,122,250 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,526 |
| Countries that Start with S | 0 | - | 4.98 | 1,761,035 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,668 |
| Countries that Start with U | 0 | - | 4.97 | 907,526 |
| Countries that Start with V | 0 | - | 4.98 | 611,311 |
| Countries that Start with F | 0 | - | 4.83 | 620,335 |
