| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,293 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,119 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,322 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,940 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,076 |
| Random European Capital to Country | 0 | - | 4.98 | 189,219 |
| Random European Country to Capital | 0 | - | 4.92 | 147,460 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,403 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,423 |
| Random African Capital to Country | 0 | - | 4.97 | 99,741 |
| Random African Country to Capital | 0 | - | 4.94 | 70,236 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,627 |
| Europe Capital to Country | 0 | - | 4.99 | 247,917 |
| Asia Capital to Country | 0 | - | 4.96 | 125,763 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,464 |
| European Capitals by Map | 0 | - | 4.99 | 136,294 |
| African Capitals by Map | 0 | - | 4.99 | 132,188 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,140 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,196 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,621 |
| European Coastal Capitals | 0 | - | 4.95 | 89,763 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,190 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,825 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,814 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,424 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,966 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,145 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,288 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,890 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,413 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,135 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,185 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,708 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,456 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,768 |
| Capitals of the Stans | 0 | - | 4.95 | 26,410 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,225 |
| Countries with Megacities | 0 | - | 4.99 | 246,929 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,124 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,976 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,543 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,861 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,771 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,404 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,955 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,656 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,607 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,633 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,454 |
| Countries by Capital City | 0 | - | 5.00 | 66,662 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,337 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,908 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,411 |
| Moved Capital Cities | 0 | - | 4.96 | 73,590 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,852 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,669 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,574 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,108 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,650 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,420 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,458 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,200 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,844 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,936 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,890 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,490 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,607 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,271 |
| North American Sports Cities | 0 | - | 4.83 | 170,912 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,920 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,736 |
| Name a City - European Countries | 0 | - | 4.92 | 64,400 |
| Cities by Former Name | 0 | - | 4.84 | 90,976 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,692 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,246 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,956 |
| World Capitals by Map | 0 | - | 5.00 | 283,219 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,678 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,027 |
| Random Country to Capital | 0 | - | 4.98 | 911,644 |
| Capitals Starting With H | 0 | - | 4.90 | 91,003 |
| Capitals Starting With K | 0 | - | 4.85 | 75,696 |
| Capitals Starting With L | 0 | - | 4.81 | 86,846 |
| Capitals Starting With M | 0 | - | 4.93 | 106,072 |
| Capitals Starting With P | 0 | - | 4.88 | 77,199 |
| Capitals Starting With R | 0 | - | 4.87 | 80,980 |
| Capitals Starting With S | 0 | - | 4.89 | 84,813 |
| Capitals Starting With T | 0 | - | 4.84 | 75,302 |
| Capitals Starting With W | 0 | - | 4.89 | 90,616 |
| Capitals Starting With A | 0 | - | 4.97 | 126,562 |
| Capitals Starting With B | 0 | - | 4.89 | 117,302 |
| Capitals Starting With D | 0 | - | 4.93 | 95,390 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,005 |
| Olympic Host Countries | 0 | - | 4.98 | 198,904 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,822 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,571 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,574 |
| The Only European Country ... | 0 | - | 4.91 | 213,850 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,159 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,547 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,211 |
| Countries of Africa | 0 | - | 5.00 | 2,508,046 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,804 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,273 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,636 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,822 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,546 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,891 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,091 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,236 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,148 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,342 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,939 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,405 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,596 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,302 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,554 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,481 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,298 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,279 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,614 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,572 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,816 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,221 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,144 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,106 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,582 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,024 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,319 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,365 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,202 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,143 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,825 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,691 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,346 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,204 |
| Former Capitals | 0 | - | 4.88 | 71,146 |
| Capital Cities Chain | 0 | - | 4.84 | 81,920 |
| Coldest World Capitals | 0 | - | 4.95 | 133,047 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,801 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,891 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,002 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,365 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,838 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,348 |
| Countries of the Middle East | 0 | - | 4.96 | 198,939 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,272 |
| Slavic Countries | 0 | - | 4.96 | 110,863 |
| African Island Countries | 0 | - | 4.96 | 100,794 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,456 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,023 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,122 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,108 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,720 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,714 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,497 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,119 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,800 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,632 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,719 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,771 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,158 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,169 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,294 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,582 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,282 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,425 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,258 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,196 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,974 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,005 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,864 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,611 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,405 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,850 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,938 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,598 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,008 |
| Ancient City to Country | 0 | - | 4.70 | 107,610 |
| Official Cities in the UK | 0 | - | 4.89 | 280,555 |
| City-States | 0 | - | 4.53 | 37,098 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,787 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,481 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,099 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,046 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,473 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,802 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,965 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,465 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,109 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,158 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,688 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,297 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,033 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,411 |
