| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,060 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,575 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,072 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,410 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,480 |
| Random European Capital to Country | 0 | - | 4.98 | 190,490 |
| Random European Country to Capital | 0 | - | 4.93 | 164,013 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,035 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,190 |
| Random African Capital to Country | 0 | - | 4.97 | 100,358 |
| Random African Country to Capital | 0 | - | 4.94 | 70,959 |
| World Capitals Quiz | 0 | - | 5.00 | 5,058,661 |
| Europe Capital to Country | 0 | - | 4.99 | 249,357 |
| Asia Capital to Country | 0 | - | 4.96 | 126,358 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,441 |
| European Capitals by Map | 0 | - | 4.99 | 138,322 |
| African Capitals by Map | 0 | - | 4.99 | 133,128 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,939 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,783 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,148 |
| European Coastal Capitals | 0 | - | 4.95 | 90,295 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,441 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,840 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,313 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 81,684 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,157 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,581,110 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,077 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,809 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,166 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,832 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,898 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,629 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,031 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,993 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,110 |
| Capitals of the Stans | 0 | - | 4.95 | 26,684 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,708 |
| Countries with Megacities | 0 | - | 4.99 | 249,829 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,541 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,799 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,867 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,790 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,724 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,848 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,824 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,182 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,203 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,835 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,436 |
| Countries by Capital City | 0 | - | 5.00 | 67,770 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,888 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,382 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,881 |
| Moved Capital Cities | 0 | - | 4.96 | 73,988 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,921 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,329 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,003 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,668 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 143,885 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,031 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,398 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,337 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,119 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,416 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,438 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,199 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,551 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,196 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,256 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,819 |
| North American Sports Cities | 0 | - | 4.83 | 171,639 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,129 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,182 |
| Name a City - European Countries | 0 | - | 4.90 | 65,098 |
| Name a Valid World City | 0 | - | 4.83 | 70,834 |
| Cities by Former Name | 0 | - | 4.83 | 91,368 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,285 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,526 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,771 |
| World Capitals by Map | 0 | - | 5.00 | 285,300 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,090 |
| Random Capital to Country | 0 | - | 4.99 | 2,586,646 |
| Random Country to Capital | 0 | - | 4.98 | 917,031 |
| Capitals Starting With H | 0 | - | 4.90 | 91,873 |
| Capitals Starting With K | 0 | - | 4.85 | 76,052 |
| Capitals Starting With L | 0 | - | 4.81 | 87,282 |
| Capitals Starting With M | 0 | - | 4.93 | 106,798 |
| Capitals Starting With P | 0 | - | 4.88 | 77,562 |
| Capitals Starting With R | 0 | - | 4.87 | 81,325 |
| Capitals Starting With S | 0 | - | 4.89 | 85,196 |
| Capitals Starting With T | 0 | - | 4.84 | 75,667 |
| Capitals Starting With W | 0 | - | 4.87 | 90,945 |
| Capitals Starting With A | 0 | - | 4.97 | 127,121 |
| Capitals Starting With B | 0 | - | 4.89 | 117,778 |
| Capitals Starting With D | 0 | - | 4.93 | 95,839 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,329 |
| Olympic Host Countries | 0 | - | 4.98 | 199,996 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,484 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,646 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,307 |
| The Only European Country ... | 0 | - | 4.91 | 215,729 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,539 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,605 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,538 |
| Countries of Africa | 0 | - | 5.00 | 2,527,369 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,939 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,588 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,866 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,394 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,971 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,044 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,836 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,247 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,445 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,086 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,596 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,890 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,071 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,767 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,694 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,527 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,141 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,613 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,025 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,015 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,095 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,110 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,378 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,006 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,217 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,231 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,777 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,101 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,478 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,295 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,699 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,312 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,723 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,557 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,630 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,886 |
| Former Capitals | 0 | - | 4.88 | 71,346 |
| Capital Cities Chain | 0 | - | 4.83 | 82,401 |
| Coldest World Capitals | 0 | - | 4.95 | 133,410 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,308 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,525 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,572 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,375 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,295 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,913 |
| Countries of the Middle East | 0 | - | 4.96 | 200,568 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,900 |
| Slavic Countries | 0 | - | 4.96 | 111,405 |
| African Island Countries | 0 | - | 4.96 | 101,332 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,758 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,639 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,180 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,687 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,793 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,482 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,552 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,172 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,029 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,568 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,509 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,332 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,423 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,480 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,742 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,875 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,099 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,893 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,886 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,742 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,984 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,020 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,766 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,197 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,295 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,808 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,516 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,742 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,118 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,961 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.64 | 64,086 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,261 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,588 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,515 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,760 |
| Ancient City to Country | 0 | - | 4.70 | 107,884 |
| Official Cities in the UK | 0 | - | 4.89 | 282,739 |
| City-States | 0 | - | 4.53 | 37,211 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,043 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,608 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,559 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,142 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,834 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,243 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,069 |
