| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,375 |
| Africa Flags Map Quiz | 0 | - | 4.94 | 35,978 |
| South America Flags Map Quiz | 0 | - | 4.95 | 86,739 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,804 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,493 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,142 |
| Random European Capital to Country | 0 | - | 4.98 | 189,343 |
| Random European Country to Capital | 0 | - | 4.92 | 147,560 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,444 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,524 |
| Random African Country to Capital | 0 | - | 4.94 | 70,286 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,174 |
| Europe Capital to Country | 0 | - | 4.99 | 248,107 |
| Asia Capital to Country | 0 | - | 4.96 | 125,826 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,604 |
| European Capitals by Map | 0 | - | 4.99 | 136,594 |
| African Capitals by Map | 0 | - | 4.99 | 132,282 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,297 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,296 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,714 |
| European Coastal Capitals | 0 | - | 4.95 | 89,858 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,218 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,118 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,042 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,454 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,590 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,144 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,721 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,481 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,248 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,233 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,755 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,558 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,817 |
| World Capitals Quiz | 0 | - | 5.00 | 5,034,849 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,452 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,061 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,712 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,661 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,237 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,555 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,233 |
| Every European Country Shape | 0 | - | 4.96 | 200,326 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,766 |
| Every African Country Shape | 0 | - | 4.90 | 86,202 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,971 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,876 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,660 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,820 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,316 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,675 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,915 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,583 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,903 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,548 |
| Countries with Megacities | 0 | - | 4.99 | 247,422 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,379 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,157 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,810 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,069 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,893 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,063 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,720 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,673 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,730 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,567 |
| Countries by Capital City | 0 | - | 5.00 | 66,783 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,403 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,960 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,457 |
| Moved Capital Cities | 0 | - | 4.96 | 73,632 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,071 |
| Random Country to Capital | 0 | - | 4.98 | 912,241 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,691 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,693 |
| Countries of Africa | 0 | - | 5.00 | 2,510,143 |
| Europe Flag Map - Find the Errors | 0 | - | 4.25 | 61,287 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,962 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,183 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,992 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,546 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,752 |
| North American Sports Cities | 0 | - | 4.83 | 170,994 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,939 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,795 |
| Cities by Former Name | 0 | - | 4.84 | 91,034 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,718 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,268 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,050 |
| World Capitals by Map | 0 | - | 5.00 | 283,550 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,725 |
| Capitals Starting With H | 0 | - | 4.90 | 91,279 |
| Capitals Starting With K | 0 | - | 4.85 | 75,740 |
| Capitals Starting With L | 0 | - | 4.81 | 86,908 |
| Capitals Starting With M | 0 | - | 4.93 | 106,177 |
| Capitals Starting With P | 0 | - | 4.88 | 77,249 |
| Capitals Starting With R | 0 | - | 4.87 | 81,026 |
| Capitals Starting With S | 0 | - | 4.89 | 84,868 |
| Capitals Starting With T | 0 | - | 4.84 | 75,350 |
| Capitals Starting With W | 0 | - | 4.89 | 90,662 |
| Capitals Starting With A | 0 | - | 4.97 | 126,625 |
| Capitals Starting With B | 0 | - | 4.89 | 117,367 |
| Capitals Starting With D | 0 | - | 4.93 | 95,459 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,286 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,179 |
| Olympic Host Countries | 0 | - | 4.98 | 198,997 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,602 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,882 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,705 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 304,072 |
| The Only European Country ... | 0 | - | 4.91 | 214,079 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,300 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,718 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,248 |
| Random Asian Countries on a Map | 0 | - | 4.90 | 168,875 |
| Random African Countries on a Map | 0 | - | 4.99 | 293,592 |
| Random European Countries on a Map | 0 | - | 4.97 | 282,103 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,731 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,709 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,276 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,352 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,103 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,113 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,947 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,048 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,857 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,489 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,190 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,436 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,040 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,480 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,666 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,619 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,574 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,389 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,345 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,684 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,629 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,880 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,298 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,666 |
| Official Cities in the UK | 0 | - | 4.89 | 280,806 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,336 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,425 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,261 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,254 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,965 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,767 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,134 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,382 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,326 |
| Former Capitals | 0 | - | 4.88 | 71,165 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,147 |
| Capital Cities Chain | 0 | - | 4.84 | 81,970 |
| Coldest World Capitals | 0 | - | 4.95 | 133,076 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,317 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,495 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,749 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,861 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,931 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,973 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,536 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,043 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,312 |
| The Only Country ... | 0 | - | 4.91 | 79,996 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,263 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,527 |
| Countries of the Middle East | 0 | - | 4.96 | 199,104 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,351 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,445 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,406 |
| Slavic Countries | 0 | - | 4.96 | 110,923 |
| African Island Countries | 0 | - | 4.96 | 100,856 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,409 |
| Monarchies of Europe | 0 | - | 4.90 | 97,387 |
| Monarchies of Asia | 0 | - | 4.97 | 70,641 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,527 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 56,858 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,125 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,458 |
| Random Sequential African Countries on a Map | 0 | - | 5.00 | 126,821 |
| Random Sequential Asian Countries on a Map | 0 | - | 4.99 | 118,331 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 216,224 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,201 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,206 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,839 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,585 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,244 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,954 |
| Countries that Start with A | 0 | - | 4.97 | 2,148,072 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,912 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,176 |
| Countries that Start with D | 0 | - | 4.96 | 702,155 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,208 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,582 |
| Countries that Start with H | 0 | - | 4.96 | 598,453 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,848 |
| Countries that Start with J | 0 | - | 4.98 | 596,516 |
| Countries that Start with K | 0 | - | 4.97 | 809,839 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,416 |
