| 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 | 148,246 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,414 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,429 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,319 |
| 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 | 72,173 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,542 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,973,989 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,739 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,089 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,604 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,806 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,214 |
| Countries by Emojis | 0 | - | 4.99 | 236,897 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,182 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,020 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,235 |
| Landlocked Countries | 0 | - | 4.99 | 414,293 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,342 |
| Top 10 Richest Countries in Asia | 0 | - | 4.73 | 104,858 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,146 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,757 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,465 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,416 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,156 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,391 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,901 |
| Orthodox Countries | 0 | - | 4.91 | 130,492 |
| Richest Island Countries | 0 | - | 4.84 | 99,615 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,796 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,692 |
| Battle to Country | 0 | - | 4.91 | 52,597 |
| Monarchies of Europe | 0 | - | 4.90 | 97,408 |
| Monarchies of Asia | 0 | - | 4.97 | 70,650 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,470 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,283 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,596 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,593 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,730 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,417 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,044 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,786 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,641 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,705 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,054 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,004 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,782 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,815 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,657 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,368 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,186 |
| Island Countries | 0 | - | 4.99 | 707,872 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,864 |
| Himalayan Countries | 0 | - | 4.95 | 135,596 |
| 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 | 123,359 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,017 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,688 |
| Danube Countries | 0 | - | 4.97 | 71,140 |
| 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 | 82,620 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,534 |
| European Landlocked Countries | 0 | - | 4.99 | 145,839 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,307 |
| Countries with the Most Species | 0 | - | 4.99 | 95,284 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,450 |
| 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 | 58,994 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,633 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,005 |
| Countries in the Alps | 0 | - | 4.86 | 116,933 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,641 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,385 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,070 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,477 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,253 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,063 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,664 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,820 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,533 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,120 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,218 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,084 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,507 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,803 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,797 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,203 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,713 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,290 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,866 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,640 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,892 |
| 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 | 62,326 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,203 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,977 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,387 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 129,766 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,513 |
| 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 | 87,833 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,368 |
| Northernmost Countries | 0 | - | 4.99 | 358,080 |
| Countries of South America | 0 | - | 5.00 | 915,950 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,987 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,676 |
| "Land" Countries | 0 | - | 4.98 | 333,826 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,328 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,189 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,530 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,357 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,514 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,113 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 257,175 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,139 |
| Name a Valid African Country | 0 | - | 4.98 | 153,054 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,087 |
| Political Movements by Country | 0 | - | 4.46 | 72,295 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,203 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,924 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,603 |
| Countries with Megacities | 0 | - | 4.99 | 247,515 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,438 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,187 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,857 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,117 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,153 |
| Countries by Official Language | 0 | - | 4.95 | 192,917 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,330 |
| Countries in their Native Language | 0 | - | 4.99 | 196,771 |
| Independence from Whom | 0 | - | 4.99 | 209,866 |
| Subdivisions by Country | 0 | - | 4.86 | 50,101 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,885 |
| 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 | 227,534 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,938 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,951 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,464 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,875 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,746 |
| 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 | 75,725 |
| 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 | 136,534 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,728 |
| 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 | 63,633 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 153,076 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,402 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,508 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,294 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,039 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,956 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,950 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,136 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,357 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,985 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,393 |
| Widest Countries East to West | 0 | - | 4.92 | 128,738 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,235 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,314 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,600 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,744 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,693 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,117 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 70,817 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,604 |
| Foods by Country of Origin #1 | 0 | - | 4.41 | 335,196 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,911 |
| Countries with Double Letters | 0 | - | 4.96 | 93,509 |
| Countries that End in N | 0 | - | 4.94 | 156,997 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,817 |
| Countries with Six Letters | 0 | - | 4.93 | 210,496 |
| Countries with W | 0 | - | 4.97 | 158,312 |
| Countries with Z | 0 | - | 4.98 | 288,027 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,631 |
| Countries That End in U | 0 | - | 4.95 | 119,556 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,704 |
| Countries that End in O | 0 | - | 4.92 | 158,595 |
| Countries that End in R | 0 | - | 4.87 | 118,311 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,881 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,221 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,420 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,555 |
