| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,150 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,220 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 148,245 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,412 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,427 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,318 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,156 |
| Companies by Country | 0 | - | 4.61 | 118,793 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,172 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,542 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,972,854 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,710 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,084 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,602 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,805 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,213 |
| Countries by Emojis | 0 | - | 4.99 | 236,894 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,180 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,019 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,230 |
| Landlocked Countries | 0 | - | 4.99 | 414,279 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,213 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,858 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,144 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,757 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,463 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,415 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,156 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,389 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,901 |
| Orthodox Countries | 0 | - | 4.91 | 130,492 |
| Richest Island Countries | 0 | - | 4.84 | 99,612 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,793 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,691 |
| Battle to Country | 0 | - | 4.91 | 52,597 |
| Monarchies of Europe | 0 | - | 4.90 | 97,407 |
| Monarchies of Asia | 0 | - | 4.97 | 70,650 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,470 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,282 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,594 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,593 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,729 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,411 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,042 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,783 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,641 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,701 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,052 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,003 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,779 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,803 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,652 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,365 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,181 |
| Island Countries | 0 | - | 4.99 | 707,869 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,858 |
| Himalayan Countries | 0 | - | 4.95 | 135,593 |
| Andean Countries | 0 | - | 4.94 | 82,951 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,314 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,357 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,016 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,686 |
| Danube Countries | 0 | - | 4.97 | 71,139 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,845 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,606 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,616 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,530 |
| European Landlocked Countries | 0 | - | 4.99 | 145,837 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,305 |
| Countries with the Most Species | 0 | - | 4.99 | 95,282 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,448 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,223 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,391 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,992 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,631 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,004 |
| Countries in the Alps | 0 | - | 4.86 | 116,930 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,641 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,382 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,068 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,477 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,250 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,061 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,664 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,817 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,530 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,119 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,217 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,081 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,503 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,803 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,795 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,200 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,712 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,290 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,864 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,632 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,889 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,648 |
| Largest Countries By Category | 0 | - | 4.97 | 156,869 |
| Countries by Countries | 0 | - | 4.96 | 62,325 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,152 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,975 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,387 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,764 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,511 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,986 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,350 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,830 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,346 |
| Northernmost Countries | 0 | - | 4.99 | 358,068 |
| Countries of South America | 0 | - | 5.00 | 915,930 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,965 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,612 |
| "Land" Countries | 0 | - | 4.98 | 333,822 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,326 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,187 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,529 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,353 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,512 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,112 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,171 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,137 |
| Name a Valid African Country | 0 | - | 4.98 | 153,054 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,083 |
| Political Movements by Country | 0 | - | 4.46 | 72,294 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,179 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,922 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,596 |
| Countries with Megacities | 0 | - | 4.99 | 247,509 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,436 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,184 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,854 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,113 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,153 |
| Countries by Official Language | 0 | - | 4.95 | 192,914 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,328 |
| Countries in their Native Language | 0 | - | 4.99 | 196,767 |
| Independence from Whom | 0 | - | 4.99 | 209,864 |
| Subdivisions by Country | 0 | - | 4.86 | 50,099 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,882 |
| Countries in World War I | 0 | - | 4.88 | 226,730 |
| Megadiverse Countries | 0 | - | 4.97 | 133,960 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,533 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,936 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,950 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,464 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,874 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,745 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,046 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,166 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,212 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,244 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,759 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,721 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,453 |
| Hindu Countries | 0 | - | 4.86 | 49,640 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,542 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,533 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,727 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,055 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,773 |
| World Map Quiz | 0 | - | 4.81 | 63,631 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,068 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,401 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,499 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,285 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,033 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,952 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,939 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,131 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,352 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,985 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,392 |
| Widest Countries East to West | 0 | - | 4.92 | 128,723 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,233 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,313 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,599 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,743 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,693 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,116 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 70,469 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,602 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,193 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,908 |
| Countries with Double Letters | 0 | - | 4.96 | 93,504 |
| Countries that End in N | 0 | - | 4.94 | 156,994 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,815 |
| Countries with Six Letters | 0 | - | 4.93 | 210,491 |
| Countries with W | 0 | - | 4.97 | 158,310 |
| Countries with Z | 0 | - | 4.98 | 288,024 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,629 |
| Countries That End in U | 0 | - | 4.95 | 119,555 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,698 |
| Countries that End in O | 0 | - | 4.92 | 158,594 |
| Countries that End in R | 0 | - | 4.87 | 118,310 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,881 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,218 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,420 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,555 |
