| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,053 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,158 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,614 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,042 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,507 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,958 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,153 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,960 |
| Random European Capital to Country | 0 | - | 4.98 | 189,079 |
| Random European Country to Capital | 0 | - | 4.92 | 147,343 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,297 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,333 |
| Random African Capital to Country | 0 | - | 4.97 | 99,677 |
| Random African Country to Capital | 0 | - | 4.94 | 70,160 |
| World Capitals Quiz | 0 | - | 5.00 | 5,026,444 |
| Europe Capital to Country | 0 | - | 4.99 | 247,322 |
| Asia Capital to Country | 0 | - | 4.96 | 125,640 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,315 |
| European Capitals by Map | 0 | - | 4.99 | 135,989 |
| African Capitals by Map | 0 | - | 4.99 | 132,063 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,984 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,083 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,535 |
| European Coastal Capitals | 0 | - | 4.95 | 89,665 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,149 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,442 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,566 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,385 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,878 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,565 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,559 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,344 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,029 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,086 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,651 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,657 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,374 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,709 |
| Monarchies of Europe | 0 | - | 4.90 | 97,225 |
| Monarchies of Asia | 0 | - | 4.97 | 70,545 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,383 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,155 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,319 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,309 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,367 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,707 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,411 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,116 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,304 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,161 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,015 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,180 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,040 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,456 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,741 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,215 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,894 |
| Countries with Megacities | 0 | - | 4.99 | 246,269 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,816 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,750 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,273 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,688 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,611 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,829 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,578 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,530 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,491 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,251 |
| Countries by Capital City | 0 | - | 5.00 | 66,484 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,237 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,819 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,009 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,351 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,132 |
| Moved Capital Cities | 0 | - | 4.96 | 73,525 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,417 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,329 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,825 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,051 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,132 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,058 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,053 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,738 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,733 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,771 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,410 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,503 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,168 |
| North American Sports Cities | 0 | - | 4.83 | 170,772 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,886 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,731 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,948 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,647 |
| Name a City - European Countries | 0 | - | 4.92 | 64,281 |
| Cities by Former Name | 0 | - | 4.84 | 90,883 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,643 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,195 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,778 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,777 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,802 |
| World Capitals by Map | 0 | - | 5.00 | 282,880 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,606 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,519 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,217 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,581 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,752 |
| Random Country to Capital | 0 | - | 4.98 | 910,663 |
| Capitals Starting With H | 0 | - | 4.90 | 89,495 |
| Capitals Starting With K | 0 | - | 4.85 | 75,533 |
| Capitals Starting With M | 0 | - | 4.93 | 105,826 |
| Capitals Starting With P | 0 | - | 4.88 | 77,036 |
| Capitals Starting With R | 0 | - | 4.87 | 80,834 |
| Capitals Starting With S | 0 | - | 4.89 | 84,644 |
| Capitals Starting With T | 0 | - | 4.84 | 75,163 |
| Capitals Starting With W | 0 | - | 4.89 | 90,487 |
| Capitals Starting With A | 0 | - | 4.97 | 126,345 |
| Capitals Starting With B | 0 | - | 4.89 | 117,101 |
| Capitals Starting With D | 0 | - | 4.93 | 95,194 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,446 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,829 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,763 |
| Olympic Host Countries | 0 | - | 4.98 | 198,776 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,736 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,364 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 302,871 |
| The Only European Country ... | 0 | - | 4.91 | 213,535 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 209,867 |
| Hindu Countries | 0 | - | 4.85 | 49,451 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,347 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,161 |
| Countries of Africa | 0 | - | 5.00 | 2,504,946 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,237 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,224 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,755 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,079 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,182 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,775 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,305 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,481 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,420 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,328 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,179 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,191 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,525 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,495 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,731 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,120 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,136 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,063 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,543 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,011 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,266 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,255 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,104 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,907 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,668 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,519 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,276 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,985 |
| Former Capitals | 0 | - | 4.88 | 71,093 |
| Capital Cities Chain | 0 | - | 4.84 | 81,824 |
| Coldest World Capitals | 0 | - | 4.95 | 132,990 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,705 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,710 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,893 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,103 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,710 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,282 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,075 |
| Countries of the Middle East | 0 | - | 4.96 | 198,729 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,167 |
| Slavic Countries | 0 | - | 4.96 | 110,779 |
| African Island Countries | 0 | - | 4.96 | 100,673 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,461 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,817 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,197 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,839 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,015 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,980 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,010,598 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,598 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,377 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,942 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,683 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,498 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,597 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,679 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,116 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,087 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,207 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,477 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,166 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,326 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,142 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,434 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,326 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,621 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,805 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 39,959 |
