| NATO Countries | 0 | - | 4.98 | 276,150 |
| EU Countries Quiz | 0 | - | 4.99 | 270,219 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,957,749 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,749 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,170 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,668 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,178 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,872 |
| Countries with NO Military | 0 | - | 4.97 | 61,230 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,952 |
| Landlocked Countries | 0 | - | 4.99 | 414,060 |
| OPEC Countries | 0 | - | 4.74 | 84,834 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,562 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,347 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,790 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,192 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,257 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,988 |
| Buddhist Countries | 0 | - | 4.96 | 143,014 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,039 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,191 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,720,772 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,830 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,579 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,236 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,773 |
| Himalayan Countries | 0 | - | 4.95 | 135,515 |
| Andean Countries | 0 | - | 4.94 | 82,910 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,286 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,305 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,981 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,660 |
| Danube Countries | 0 | - | 4.97 | 71,121 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,825 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,586 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,583 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,489 |
| European Landlocked Countries | 0 | - | 4.99 | 145,808 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,278 |
| Countries with the Most Species | 0 | - | 4.99 | 95,271 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,425 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,215 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,384 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,981 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,607 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,989 |
| Countries in the Alps | 0 | - | 4.86 | 116,905 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,618 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,343 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,047 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,465 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,229 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,045 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,629 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,803 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,469 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,108 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,207 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,072 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,482 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,796 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,784 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,160 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,695 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,283 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,836 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,545 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,828 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,628 |
| Largest Countries By Category | 0 | - | 4.97 | 156,843 |
| Countries by Countries | 0 | - | 4.96 | 62,307 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,815 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,626 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,283 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,105 |
| Island Countries | 0 | - | 4.99 | 707,789 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,094 |
| Northernmost Countries | 0 | - | 4.99 | 357,976 |
| Countries of South America | 0 | - | 5.00 | 915,605 |
| Countries of Oceania | 0 | - | 5.00 | 1,041,604 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,850,075 |
| "Land" Countries | 0 | - | 4.98 | 333,762 |
| Countries that Start with A | 0 | - | 4.97 | 2,147,974 |
| Countries that Start with B | 0 | - | 4.95 | 2,280,805 |
| Countries that Start with C | 0 | - | 4.96 | 1,811,107 |
| Countries that Start with D | 0 | - | 4.96 | 702,098 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,152 |
| Countries that Start with G | 0 | - | 4.97 | 1,493,526 |
| Countries that Start with H | 0 | - | 4.96 | 598,408 |
| Countries that Start with I | 0 | - | 4.92 | 1,280,797 |
| Countries that Start with J | 0 | - | 4.98 | 596,473 |
| Countries that Start with K | 0 | - | 4.97 | 809,796 |
| Countries that Start with L | 0 | - | 4.98 | 1,083,369 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,276 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,050 |
| Countries that Start with S | 0 | - | 4.98 | 1,745,240 |
| Countries that Start with T | 0 | - | 4.90 | 1,004,591 |
| Countries that Start with U | 0 | - | 4.97 | 900,215 |
| Countries that Start with V | 0 | - | 4.98 | 605,384 |
| Countries that Start with F | 0 | - | 4.83 | 612,558 |
| Countries that Start with M | 0 | - | 4.97 | 1,373,913 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,127 |
| Orthodox Countries | 0 | - | 4.91 | 130,464 |
| Richest Island Countries | 0 | - | 4.84 | 99,596 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,363,603 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,763 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,669 |
| Monarchies of Europe | 0 | - | 4.90 | 97,379 |
| Monarchies of Asia | 0 | - | 4.97 | 70,640 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,548 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,458 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,342 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,255 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,570 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,582 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,706 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,353 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,019 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,763 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 234,975 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,941 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,669 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,023 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,537 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,534 |
| Countries with Megacities | 0 | - | 4.99 | 247,396 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,361 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,141 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,783 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,060 |
| Countries by Official Language | 0 | - | 4.95 | 192,871 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,263 |
| Countries in their Native Language | 0 | - | 4.99 | 196,726 |
| Independence from Whom | 0 | - | 4.99 | 209,817 |
| Subdivisions by Country | 0 | - | 4.86 | 50,089 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,848 |
| Megadiverse Countries | 0 | - | 4.97 | 133,944 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,897 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,940 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,452 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,871 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,723 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,034 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,125 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,191 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,237 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,755 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,681 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,445 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,529 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,525 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,713 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,140 |
| Richest Countries A-Z | 0 | - | 4.92 | 101,940 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,373 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,386 |
| Communist Countries in History | 0 | - | 4.63 | 492,742 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,458 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,164 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,997 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,901 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,914 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,105 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,317 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,971 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,367 |
| Widest Countries East to West | 0 | - | 4.92 | 128,646 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,221 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,284 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,592 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,722 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,676 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,100 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,061 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,597 |
| Countries with Double Letters | 0 | - | 4.96 | 93,467 |
| Countries that End in N | 0 | - | 4.94 | 156,966 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,771 |
| Countries with Six Letters | 0 | - | 4.93 | 210,436 |
| Countries with W | 0 | - | 4.97 | 158,284 |
| Countries with Z | 0 | - | 4.98 | 287,978 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,611 |
| Countries That End in U | 0 | - | 4.95 | 119,542 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,665 |
| Countries that End in O | 0 | - | 4.92 | 158,586 |
| Countries that End in R | 0 | - | 4.87 | 118,300 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,875 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,173 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,397 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,540 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,080 |
| Countries That End in Y | 0 | - | 4.90 | 185,229 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,452 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,751 |
| Countries that End in I | 0 | - | 4.94 | 134,460 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,280 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,234 |
| Countries That End in NIA | 0 | - | 4.92 | 109,044 |
| Countries That End in BIA | 0 | - | 4.92 | 147,751 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,128 |
