| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,211 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,613 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,742 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,496 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,360 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,907 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,964 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,771 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,999 |
| Random European Capital to Country | 0 | - | 4.98 | 191,997 |
| Random European Country to Capital | 0 | - | 4.93 | 165,784 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,930 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,343 |
| Random African Capital to Country | 0 | - | 4.97 | 101,247 |
| Random African Country to Capital | 0 | - | 4.95 | 71,679 |
| World Capitals Quiz | 0 | - | 5.00 | 5,100,882 |
| Europe Capital to Country | 0 | - | 4.99 | 251,834 |
| Asia Capital to Country | 0 | - | 4.96 | 127,304 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,799 |
| European Capitals by Map | 0 | - | 4.99 | 141,829 |
| African Capitals by Map | 0 | - | 4.99 | 141,875 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,805 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,747 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,080 |
| European Coastal Capitals | 0 | - | 4.95 | 91,207 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,128 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,221 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,530 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,115 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,410 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,825 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,130 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,494 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,984 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,323 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,517 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,422 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,855 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,649 |
| Monarchies of Europe | 0 | - | 4.90 | 98,753 |
| Monarchies of Asia | 0 | - | 4.97 | 71,445 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,231 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,692 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,540 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,576 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,038 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,449 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,232 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,502 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,223 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,908 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,748 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,764 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,687 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,695 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,785 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,136 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,904 |
| Countries with Megacities | 0 | - | 4.99 | 266,619 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,611 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,981 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,912 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,079 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,145 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,225 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,886 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,088 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,087 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,993 |
| Countries by Capital City | 0 | - | 5.00 | 69,235 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,762 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,145 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,477 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,734 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,467 |
| Moved Capital Cities | 0 | - | 4.96 | 74,587 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,314 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,286 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,920 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,928 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 93,944 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,892 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,996 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,229 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,249 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,856 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,564 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,836 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,119 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,518 |
| North American Sports Cities | 0 | - | 4.83 | 173,038 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,528 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,876 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,341 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,864 |
| Name a City - European Countries | 0 | - | 4.90 | 66,054 |
| Cities by Former Name | 0 | - | 4.83 | 91,975 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,652 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,938 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,131 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,014 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,730 |
| World Capitals by Map | 0 | - | 5.00 | 289,008 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,763 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,809 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,192 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,323 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,311 |
| Random Country to Capital | 0 | - | 4.98 | 926,785 |
| Capitals Starting With H | 0 | - | 4.91 | 93,232 |
| Capitals Starting With K | 0 | - | 4.89 | 84,306 |
| Capitals Starting With M | 0 | - | 4.94 | 109,003 |
| Capitals Starting With P | 0 | - | 4.88 | 78,908 |
| Capitals Starting With R | 0 | - | 4.88 | 82,432 |
| Capitals Starting With S | 0 | - | 4.90 | 86,477 |
| Capitals Starting With T | 0 | - | 4.85 | 76,757 |
| Capitals Starting With W | 0 | - | 4.87 | 91,678 |
| Capitals Starting With A | 0 | - | 4.97 | 128,984 |
| Capitals Starting With B | 0 | - | 4.89 | 119,380 |
| Capitals Starting With D | 0 | - | 4.94 | 97,100 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,560 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,280 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,511 |
| Olympic Host Countries | 0 | - | 4.98 | 201,771 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,718 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,890 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 313,116 |
| The Only European Country ... | 0 | - | 4.91 | 218,639 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,667 |
| Hindu Countries | 0 | - | 4.87 | 50,531 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,325 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,877 |
| Countries of Africa | 0 | - | 5.00 | 2,555,807 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,702 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,642 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,497 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,137 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,636 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,293 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,868 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,223 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,569 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,679 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,808 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,592 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,679 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,816 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,472 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,133 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,476 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,818 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,679 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,310 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,680 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,066 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,217 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,749 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,355 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,809 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,267 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,931 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,579 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,505 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,743 |
| Former Capitals | 0 | - | 4.88 | 71,641 |
| Capital Cities Chain | 0 | - | 4.84 | 83,272 |
| Coldest World Capitals | 0 | - | 4.95 | 134,111 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,060 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 22,166 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,473 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,745 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,522 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,484 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,465 |
| Countries of the Middle East | 0 | - | 4.96 | 202,416 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,053 |
| Slavic Countries | 0 | - | 4.96 | 112,270 |
| African Island Countries | 0 | - | 4.96 | 102,343 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,131 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,974 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,210 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 52,839 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,546 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,800 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,043 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,680 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,213 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,459 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 145,049 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,198 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,384 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,440 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,909 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,702 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,930 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,379 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,167 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,802 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 109,060 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 34,037 |
