| European Countries with One Border | 0 | - | 4.97 | 182,063 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,927 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,691 |
| Countries Bordering France | 0 | - | 4.83 | 400,964 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,883 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,389 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,247 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,676 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,269 |
| Random European Capital to Country | 0 | - | 4.98 | 189,712 |
| Random European Country to Capital | 0 | - | 4.92 | 147,812 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,618 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,747 |
| Random African Country to Capital | 0 | - | 4.94 | 70,457 |
| Countries Bordering India | 0 | - | 4.98 | 163,170 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,005 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,013 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,329 |
| Countries that Border China | 0 | - | 4.96 | 262,423 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,657 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,361 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,617 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,808 |
| Europe Capital to Country | 0 | - | 4.99 | 248,759 |
| Asia Capital to Country | 0 | - | 4.96 | 126,115 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,039 |
| European Capitals by Map | 0 | - | 4.99 | 137,540 |
| African Capitals by Map | 0 | - | 4.99 | 132,763 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,676 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,555 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,927 |
| European Coastal Capitals | 0 | - | 4.95 | 90,061 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,336 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,083 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,667 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,561 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,186 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 413,756 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,932 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,069 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,938 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,660 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,533 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,461 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,899 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,775 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,965 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,511 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,886 |
| Countries That Border Russia | 0 | - | 4.98 | 460,184 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,697 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,882 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,032 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,607 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,307 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,671 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,697 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,856 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,607 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,219 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,324 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,695 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,164 |
| Countries with Megacities | 0 | - | 4.99 | 248,708 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,028 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,481 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,397 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,432 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,392 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,511 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,008 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,001 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,235 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,083 |
| Countries by Capital City | 0 | - | 5.00 | 67,376 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,686 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,203 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,560 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,648 |
| Moved Capital Cities | 0 | - | 4.96 | 73,845 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,107 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,847 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,335 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,907 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,985 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,050 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,250 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,370 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,034 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,767 |
| Countries that Border Poland | 0 | - | 4.99 | 171,737 |
| Merged Countries #2 | 0 | - | 4.96 | 98,683 |
| Merged Countries #6 | 0 | - | 4.90 | 72,932 |
| Merged Countries #7 | 0 | - | 4.93 | 82,181 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,246 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,811 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,278 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,055 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,054 |
| North American Sports Cities | 0 | - | 4.83 | 171,332 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,023 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,001 |
| Cities by Former Name | 0 | - | 4.84 | 91,222 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,194 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,416 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,891 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,430 |
| World Capitals by Map | 0 | - | 5.00 | 284,621 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,938 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,502 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,425 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,782 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,173 |
| Random Country to Capital | 0 | - | 4.98 | 914,579 |
| Capitals Starting With H | 0 | - | 4.90 | 91,675 |
| Capitals Starting With K | 0 | - | 4.85 | 75,909 |
| Capitals Starting With L | 0 | - | 4.81 | 87,099 |
| Capitals Starting With M | 0 | - | 4.93 | 106,524 |
| Capitals Starting With P | 0 | - | 4.88 | 77,408 |
| Capitals Starting With R | 0 | - | 4.87 | 81,187 |
| Capitals Starting With S | 0 | - | 4.89 | 85,034 |
| Capitals Starting With T | 0 | - | 4.84 | 75,511 |
| Capitals Starting With W | 0 | - | 4.87 | 90,823 |
| Capitals Starting With A | 0 | - | 4.97 | 126,869 |
| Capitals Starting With B | 0 | - | 4.89 | 117,570 |
| Capitals Starting With D | 0 | - | 4.93 | 95,656 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,803 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,982 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,805 |
| Olympic Host Countries | 0 | - | 4.98 | 199,428 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,209 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,213 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,655 |
| The Only European Country ... | 0 | - | 4.91 | 214,963 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,968 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,217 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,435 |
| Countries of Africa | 0 | - | 5.00 | 2,519,255 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,212 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,270 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,035 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,112 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,114 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,725 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,312 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,799 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,305 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,686 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,865 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,911 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,924 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,632 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,503 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,866 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,739 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,994 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,502 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,191 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,069 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,708 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,074 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,419 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,023 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,501 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,813 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,370 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,045 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,516 |
| Former Capitals | 0 | - | 4.88 | 71,263 |
| Capital Cities Chain | 0 | - | 4.84 | 82,201 |
| Coldest World Capitals | 0 | - | 4.95 | 133,196 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,091 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,298 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,575 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,061 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,261 |
| Countries of the Middle East | 0 | - | 4.96 | 199,747 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,673 |
| Slavic Countries | 0 | - | 4.96 | 111,192 |
| African Island Countries | 0 | - | 4.96 | 101,107 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,655 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,565 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,464 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,519 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,578 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,238 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,917 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,677 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,156 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,138 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,087 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,180 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,372 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,479 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,662 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,849 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,631 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,696 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,547 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,795 |
