| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,256 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,806 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,038 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,711 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,095 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,013 |
| Random European Capital to Country | 0 | - | 4.98 | 189,172 |
| Random European Country to Capital | 0 | - | 4.92 | 147,426 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,364 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,379 |
| Random African Capital to Country | 0 | - | 4.97 | 99,720 |
| Random African Country to Capital | 0 | - | 4.94 | 70,225 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,839 |
| Europe Capital to Country | 0 | - | 4.99 | 247,589 |
| Asia Capital to Country | 0 | - | 4.96 | 125,723 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,421 |
| European Capitals by Map | 0 | - | 4.99 | 136,212 |
| African Capitals by Map | 0 | - | 4.99 | 132,122 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,109 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,159 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,588 |
| European Coastal Capitals | 0 | - | 4.95 | 89,724 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,175 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,718 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,737 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,411 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,258 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,614 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,806 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,554 |
| World Capitals Quiz | 0 | - | 5.00 | 5,030,204 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,150 |
| Countries that Start with A | 0 | - | 4.97 | 2,146,349 |
| Countries that Start with B | 0 | - | 4.95 | 2,279,469 |
| Countries that Start with C | 0 | - | 4.96 | 1,809,972 |
| Countries that Start with D | 0 | - | 4.96 | 701,308 |
| Countries that Start with E | 0 | - | 4.95 | 1,367,260 |
| Countries that Start with G | 0 | - | 4.97 | 1,492,503 |
| Countries that Start with H | 0 | - | 4.96 | 597,762 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,069 |
| Countries that Start with J | 0 | - | 4.98 | 595,839 |
| Countries that Start with K | 0 | - | 4.97 | 809,237 |
| Countries that Start with L | 0 | - | 4.98 | 1,082,660 |
| Countries that Start with N | 0 | - | 4.93 | 1,109,534 |
| Countries that Start with P | 0 | - | 4.94 | 1,208,350 |
| Countries that Start with S | 0 | - | 4.98 | 1,744,238 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,057 |
| Countries that Start with U | 0 | - | 4.97 | 899,809 |
| Countries that Start with V | 0 | - | 4.98 | 604,976 |
| Countries that Start with F | 0 | - | 4.83 | 612,043 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,098 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,789 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,649 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,397 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,090 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,163 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,690 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,425 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,754 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,335 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,720 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,636 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,637 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,174 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,382 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,656 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,686 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,031 |
| Name a Valid African Country | 0 | - | 4.98 | 152,918 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,719 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,536 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,071 |
| Countries with Megacities | 0 | - | 4.99 | 246,677 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,002 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,856 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,428 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,786 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,726 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,911 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,635 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,587 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,585 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,392 |
| Countries by Capital City | 0 | - | 5.00 | 66,600 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,306 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,891 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,293 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,422 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,400 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,187 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,758 |
| Moved Capital Cities | 0 | - | 4.96 | 73,569 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,232 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,161 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,528 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,087 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,794 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,518 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,876 |
| Which City in Europe? | 0 | - | 4.83 | 106,603 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,536 |
| Countries that Beat China | 0 | - | 4.86 | 114,687 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,874 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,801 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,867 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,849 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,458 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,566 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,229 |
| Resort Towns by Country | 0 | - | 4.30 | 39,919 |
| North American Sports Cities | 0 | - | 4.83 | 170,866 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,910 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,711 |
| Cities by Former Name | 0 | - | 4.84 | 90,951 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,678 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,229 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,904 |
| World Capitals by Map | 0 | - | 5.00 | 283,131 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,649 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,632 |
| Random Country to Capital | 0 | - | 4.98 | 911,419 |
| Capitals Starting With H | 0 | - | 4.90 | 90,772 |
| Capitals Starting With K | 0 | - | 4.85 | 75,666 |
| Capitals Starting With L | 0 | - | 4.81 | 86,810 |
| Capitals Starting With M | 0 | - | 4.93 | 106,025 |
| Capitals Starting With P | 0 | - | 4.88 | 77,174 |
| Capitals Starting With R | 0 | - | 4.87 | 80,959 |
| Capitals Starting With S | 0 | - | 4.89 | 84,793 |
| Capitals Starting With T | 0 | - | 4.84 | 75,282 |
| Capitals Starting With W | 0 | - | 4.89 | 90,599 |
| Capitals Starting With A | 0 | - | 4.97 | 126,527 |
| Capitals Starting With B | 0 | - | 4.89 | 117,270 |
| Capitals Starting With D | 0 | - | 4.93 | 95,366 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,323 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,928 |
| Olympic Host Countries | 0 | - | 4.98 | 198,862 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,795 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,504 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,371 |
| The Only European Country ... | 0 | - | 4.91 | 213,758 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,082 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,487 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,193 |
| Countries of Africa | 0 | - | 5.00 | 2,507,087 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,990 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,183 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,126 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,291 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,889 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,372 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,558 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,517 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,433 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,261 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,243 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,589 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,549 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,786 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,195 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,299 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,329 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,173 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,077 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,780 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,655 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,318 |
| Former Capitals | 0 | - | 4.88 | 71,130 |
| Capital Cities Chain | 0 | - | 4.84 | 81,898 |
| Coldest World Capitals | 0 | - | 4.95 | 133,036 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,778 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,207 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,975 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,323 |
| Which City in Canada? | 0 | - | 4.83 | 56,647 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,265 |
| Countries of the Middle East | 0 | - | 4.96 | 198,862 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,229 |
| Slavic Countries | 0 | - | 4.96 | 110,831 |
| African Island Countries | 0 | - | 4.96 | 100,764 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,489 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,342 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 44,981 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,089 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,066 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,405 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,687 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,462 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,062 |
| Countries that Start with R | 0 | - | 4.43 | 443,515 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,762 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,591 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,692 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,741 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,143 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,147 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,265 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,546 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,242 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,379 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,215 |
