| European Countries with One Border | 0 | - | 4.97 | 181,632 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,524 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,493 |
| Countries Bordering France | 0 | - | 4.83 | 399,129 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,059 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,118 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,270 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,921 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,072 |
| Random European Capital to Country | 0 | - | 4.98 | 189,214 |
| Random European Country to Capital | 0 | - | 4.92 | 147,452 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,402 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,419 |
| Random African Country to Capital | 0 | - | 4.94 | 70,234 |
| Countries Bordering India | 0 | - | 4.98 | 162,604 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,780 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,928 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,216 |
| Countries that Border China | 0 | - | 4.96 | 261,821 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,532 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,306 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,452 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,429 |
| Europe Capital to Country | 0 | - | 4.99 | 247,895 |
| Asia Capital to Country | 0 | - | 4.96 | 125,762 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,459 |
| European Capitals by Map | 0 | - | 4.99 | 136,284 |
| African Capitals by Map | 0 | - | 4.99 | 132,186 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,124 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,193 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,616 |
| European Coastal Capitals | 0 | - | 4.95 | 89,761 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,188 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,808 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,807 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,424 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 354,663 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,805 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,268 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,878 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,410 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,125 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,183 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,706 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,455 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,765 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,937 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,106 |
| Countries That Border Russia | 0 | - | 4.98 | 458,926 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,401 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,668 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,910 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,255 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,064 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,472 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,454 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,626 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,430 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,089 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,058 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,632 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,207 |
| Countries with Megacities | 0 | - | 4.99 | 246,895 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,112 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,963 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,524 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,852 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,765 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,953 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,655 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,606 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,626 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,451 |
| Countries by Capital City | 0 | - | 5.00 | 66,657 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,336 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,906 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,411 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,409 |
| Moved Capital Cities | 0 | - | 4.96 | 73,587 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,570 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,452 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,198 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,701 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,789 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,852 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,083 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,229 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,751 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,492 |
| Countries that Border Poland | 0 | - | 4.99 | 171,356 |
| Merged Countries #2 | 0 | - | 4.96 | 98,481 |
| Merged Countries #6 | 0 | - | 4.91 | 72,709 |
| Merged Countries #7 | 0 | - | 4.92 | 81,958 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,841 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,936 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,887 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,486 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,606 |
| North American Sports Cities | 0 | - | 4.83 | 170,908 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,918 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,735 |
| Cities by Former Name | 0 | - | 4.84 | 90,975 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,692 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,244 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,802 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,950 |
| World Capitals by Map | 0 | - | 5.00 | 283,213 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,672 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,993 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,269 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,635 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,819 |
| Random Country to Capital | 0 | - | 4.98 | 911,628 |
| Capitals Starting With H | 0 | - | 4.90 | 90,984 |
| Capitals Starting With K | 0 | - | 4.85 | 75,693 |
| Capitals Starting With L | 0 | - | 4.81 | 86,842 |
| Capitals Starting With M | 0 | - | 4.93 | 106,067 |
| Capitals Starting With P | 0 | - | 4.88 | 77,196 |
| Capitals Starting With R | 0 | - | 4.87 | 80,979 |
| Capitals Starting With S | 0 | - | 4.89 | 84,810 |
| Capitals Starting With T | 0 | - | 4.84 | 75,299 |
| Capitals Starting With W | 0 | - | 4.89 | 90,613 |
| Capitals Starting With A | 0 | - | 4.97 | 126,559 |
| Capitals Starting With B | 0 | - | 4.89 | 117,298 |
| Capitals Starting With D | 0 | - | 4.93 | 95,386 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,544 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,889 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,999 |
| Olympic Host Countries | 0 | - | 4.98 | 198,898 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,817 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,565 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,556 |
| The Only European Country ... | 0 | - | 4.91 | 213,840 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,154 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,542 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,210 |
| Countries of Africa | 0 | - | 5.00 | 2,507,974 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,078 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,068 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,362 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 95,907 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,085 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,233 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,145 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,338 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,935 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,403 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,592 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,553 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,477 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,296 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,274 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,613 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,571 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,811 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,219 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,143 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,102 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,580 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,023 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,315 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,360 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,200 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,136 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,822 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,689 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,343 |
| Former Capitals | 0 | - | 4.88 | 71,146 |
| Capital Cities Chain | 0 | - | 4.84 | 81,920 |
| Coldest World Capitals | 0 | - | 4.95 | 133,045 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,801 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,999 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,193 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,821 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,337 |
| Countries of the Middle East | 0 | - | 4.96 | 198,929 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,270 |
| Slavic Countries | 0 | - | 4.96 | 110,860 |
| African Island Countries | 0 | - | 4.96 | 100,793 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,020 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,120 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,101 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,679 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,708 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,493 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,114 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,797 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,631 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,717 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,765 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,156 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,166 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,291 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,581 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,279 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,419 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,250 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
