| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,280 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,948 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,550 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,250 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,990 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,770 |
| Companies by Country | 0 | - | 4.61 | 120,109 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.94 | 94,289 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,915 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,043 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,244 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,819,905 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,334,752 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,753 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,514 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,084 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,111 |
| Countries by Emojis | 0 | - | 4.99 | 241,636 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,499 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,990 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,569 |
| Landlocked Countries | 0 | - | 4.99 | 424,938 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,357 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,799,254 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,150 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,147 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,221 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,428 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,016 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,591 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,301 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,030 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,848 |
| Orthodox Countries | 0 | - | 4.92 | 132,695 |
| Richest Island Countries | 0 | - | 4.85 | 101,150 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,327 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,574 |
| Battle to Country | 0 | - | 4.91 | 53,892 |
| Monarchies of Europe | 0 | - | 4.90 | 98,769 |
| Monarchies of Asia | 0 | - | 4.97 | 71,456 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,237 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,060 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,382 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,729 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,871 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,440 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,907 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,008 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,484 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,432 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,000 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,522 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,821 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,073 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,453 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,257 |
| Island Countries | 0 | - | 4.99 | 712,255 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,846 |
| Himalayan Countries | 0 | - | 4.93 | 139,927 |
| Andean Countries | 0 | - | 4.94 | 85,267 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,428 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,774 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,999 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,298 |
| Danube Countries | 0 | - | 4.97 | 72,304 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,467 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,748 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,942 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,439 |
| European Landlocked Countries | 0 | - | 4.99 | 147,507 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,165 |
| Countries with the Most Species | 0 | - | 4.99 | 103,512 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,295 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,727 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,840 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,778 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,509 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,943 |
| Countries in the Alps | 0 | - | 4.87 | 118,661 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,438 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,698 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,908 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,943 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,862 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,179 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,301 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,799 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,363 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,100 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,811 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,686 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,483 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,720 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,817 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,627 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,548 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,657 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,554 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,386 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,950 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,463 |
| Largest Countries By Category | 0 | - | 4.97 | 158,737 |
| Countries by Countries | 0 | - | 4.96 | 63,554 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,391,875 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,948 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,261 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,619 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,377 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,027 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,837 |
| Northernmost Countries | 0 | - | 4.99 | 363,634 |
| Countries of South America | 0 | - | 5.00 | 931,575 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,955 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,886,755 |
| "Land" Countries | 0 | - | 4.98 | 338,213 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,784 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,704 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,703 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,794 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,538 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,643 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,241 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,698 |
| Name a Valid African Country | 0 | - | 4.98 | 154,933 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,245 |
| Political Movements by Country | 0 | - | 4.46 | 72,740 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,452,972 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,189 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,947 |
| Countries with Megacities | 0 | - | 4.99 | 266,708 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,646 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,000 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,957 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,121 |
| Countries by Official Language | 0 | - | 4.95 | 195,860 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,449 |
| Countries in their Native Language | 0 | - | 4.99 | 199,626 |
| Independence from Whom | 0 | - | 4.99 | 212,893 |
| Subdivisions by Country | 0 | - | 4.87 | 50,584 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,319 |
| Countries in World War I | 0 | - | 4.88 | 229,021 |
| Megadiverse Countries | 0 | - | 4.96 | 135,221 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,984 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,837 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,500 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,408 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,202 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,504 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,801 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,015 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,527 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,789 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,236 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 78,349 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,335 |
| Hindu Countries | 0 | - | 4.87 | 50,536 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,403 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,117 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,546 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,659 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,151 |
| World Map Quiz | 0 | - | 4.81 | 65,567 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,631 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,095 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,989 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,479 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,370 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,335 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,456 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,660 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,645 |
| Tallest Countries North to South | 0 | - | 4.86 | 130,455 |
| Widest Countries East to West | 0 | - | 4.92 | 130,375 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,576 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,168 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,489 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,008 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,908 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,404 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,475 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,880 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 337,756 |
| Countries with Double Letters | 0 | - | 4.96 | 96,920 |
| Countries that End in N | 0 | - | 4.94 | 171,791 |
| Countries with Five Letters | 0 | - | 4.96 | 283,559 |
| Countries with Six Letters | 0 | - | 4.94 | 214,280 |
| Countries with W | 0 | - | 4.96 | 160,834 |
| Countries with Z | 0 | - | 4.98 | 292,265 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,183 |
| Countries That End in U | 0 | - | 4.95 | 121,122 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,992 |
| Countries that End in O | 0 | - | 4.92 | 159,851 |
| Countries that End in R | 0 | - | 4.87 | 119,139 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,893 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,715 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 171,065 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,762 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,692 |
| Countries That End in Y | 0 | - | 4.91 | 186,053 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,364 |
