| Countries with the Most Wolves | 0 | - | 4.92 | 108,441 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,133 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,430 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 87,443 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,750,714 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,520 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,138 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,996 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,685 |
| Name the U.S. National Parks | 0 | - | 4.86 | 60,336 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,105 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,004 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,426 |
| UNESCO World Heritage Countries | 0 | - | 4.98 | 136,515 |
| Countries with the Most Airports | 0 | - | 4.96 | 99,906 |
| Countries with Most Tourists with Exceptions | 0 | - | 4.97 | 126,445 |
| Five Countries With the Most Tourists by Continent | 0 | - | 4.95 | 122,732 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,644 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,574 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,506 |
| Countries Whose Airlines Carried the Most Passengers | 0 | - | 4.94 | 72,838 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,191 |
| World Currency Quiz | 0 | - | 4.92 | 305,680 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,341 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,804 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,428 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,875 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,804 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,552 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,443 |
| Largest Countries with Little Tourism | 0 | - | 4.70 | 62,034 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,905 |
| National Animals | 0 | - | 4.24 | 90,160 |
| African Great Lakes | 0 | - | 4.82 | 66,788 |
| Boundary Waters | 0 | - | 4.92 | 88,690 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,345 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,507 |
| Cities by Airports | 0 | - | 4.47 | 103,795 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,457 |
| Landlocked Countries | 0 | - | 4.99 | 424,076 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,286 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,627 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,545 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,608 |
| U.S. National Parks Map Quiz | 0 | - | 4.48 | 56,061 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,779 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,831 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,906 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,415 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,247 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,830 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,747 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,766 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,847 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,389 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,447 |
| Himalayan Countries | 0 | - | 4.94 | 139,618 |
| Andean Countries | 0 | - | 4.94 | 85,105 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,293 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,524 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,861 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,152 |
| Danube Countries | 0 | - | 4.97 | 72,233 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,351 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,657 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,761 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,259 |
| European Landlocked Countries | 0 | - | 4.99 | 147,407 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,015 |
| Countries with the Most Species | 0 | - | 4.99 | 103,440 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,143 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,691 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,802 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,715 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,446 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,864 |
| Countries in the Alps | 0 | - | 4.87 | 118,514 |
| Countries with the Most Tourists Per Capita | 0 | - | 4.28 | 82,234 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,160 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,496 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,826 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,831 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,761 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,107 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,953 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,695 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,317 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,030 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,770 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,638 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,407 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,649 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,740 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,418 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,488 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,363 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,425 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,014 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,722 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,397 |
| Largest Countries By Category | 0 | - | 4.97 | 158,577 |
| Countries by Countries | 0 | - | 4.96 | 63,460 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,929 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,793,594 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,292 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,936 |
| Asia's Busiest Airports | 0 | - | 4.69 | 53,045 |
| World's Biggest Airlines | 0 | - | 4.42 | 125,890 |
| Airline Logos | 0 | - | 4.45 | 141,244 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,579 |
| African Physical Geography | 0 | - | 4.51 | 31,784 |
| Asian Physical Geography | 0 | - | 4.61 | 35,596 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,897 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,330 |
| Rivers of the United States | 0 | - | 4.93 | 66,540 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,631 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,452 |
| Longest International Borders | 0 | - | 4.99 | 265,556 |
| Countries with Three Borders | 0 | - | 4.96 | 36,700 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,269 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,397 |
| Demonym of Every Country | 0 | - | 4.90 | 61,209 |
| Animals of Australia | 0 | - | 4.52 | 42,438 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,783 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,944 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,968 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,478 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,830 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,182 |
| Island Countries | 0 | - | 4.99 | 711,878 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,389,382 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,764 |
| Northernmost Countries | 0 | - | 4.99 | 363,210 |
| Landforms by Country | 0 | - | 4.52 | 52,006 |
| Airlines by Country | 0 | - | 4.52 | 135,700 |
| Countries of South America | 0 | - | 5.00 | 930,268 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,651 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,884,104 |
| "Land" Countries | 0 | - | 4.98 | 337,951 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,593 |
| All Country Flags of the World | 0 | - | 5.00 | 3,699,337 |
| Foods of the World by Description | 0 | - | 4.18 | 46,092 |
| Top World Languages | 0 | - | 4.92 | 827,557 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,198 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,166 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,455 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,738 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,398 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,254 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,448 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,662 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,609 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,828 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,513 |
| Countries with Megacities | 0 | - | 4.99 | 266,007 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,301 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,771 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,558 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,896 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,698 |
| Cities by Tourist Attraction #1 | 0 | - | 3.63 | 81,166 |
| Cities by Famous Street | 0 | - | 3.96 | 48,370 |
| Cities by Tourist Attraction #2 | 0 | - | 3.73 | 32,172 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,004 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,926 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,812 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,997 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,938 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,817 |
| Countries by Capital City | 0 | - | 5.00 | 69,097 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,669 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,063 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,149 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,638 |
| Moved Capital Cities | 0 | - | 4.96 | 74,528 |
| Capitals by River | 0 | - | 4.55 | 48,367 |
| Countries by Official Language | 0 | - | 4.95 | 195,690 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,188 |
| Countries in their Native Language | 0 | - | 4.99 | 199,465 |
| Independence from Whom | 0 | - | 4.99 | 212,646 |
| Subdivisions by Country | 0 | - | 4.87 | 50,543 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,138 |
| Megadiverse Countries | 0 | - | 4.96 | 135,167 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,496 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,465 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,360 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,169 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,395 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,716 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,819 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,479 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,758 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,214 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,124 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,279 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,345 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,071 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,487 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,688 |
