| NATO Countries Quiz | 0 | - | 4.98 | 228,278 |
| EU Countries Quiz | 0 | - | 4.99 | 230,394 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 99,758 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 178,677 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,522,377 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 228,513 |
| Countries with Nuclear Weapons | 0 | - | 4.89 | 233,679 |
| Top Five Countries by Religion | 0 | - | 4.90 | 144,799 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 127,198 |
| Countries with NO Military | 0 | - | 4.97 | 50,553 |
| Countries by Number of Books Published | 0 | - | 4.95 | 64,438 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,468 |
| OPEC Countries Quiz | 0 | - | 4.72 | 81,137 |
| Majority Muslim Countries | 0 | - | 4.97 | 316,251 |
| Countries with the Most Christians | 0 | - | 4.93 | 123,499 |
| Countries with the Most Tanks | 0 | - | 4.89 | 76,429 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 42,341 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 67,178 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,143,099 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 74,160 |
| Buddhist Countries | 0 | - | 4.97 | 131,814 |
| Countries with the Most Millionaires | 0 | - | 4.85 | 85,558 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,207,171 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 128,090 |
| Five Coldest Countries by Continent | 0 | - | 4.96 | 58,738 |
| Members of the Arab League | 0 | - | 4.85 | 65,234 |
| Sahara Desert Countries | 0 | - | 4.97 | 129,404 |
| Himalayan Countries | 0 | - | 4.94 | 107,532 |
| Andean Countries | 0 | - | 4.91 | 59,732 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,798 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,485 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,864 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,666 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,986 |
| Danube Countries | 0 | - | 4.96 | 57,076 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,093 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,181 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,302 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,115 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,414 |
| European Landlocked Countries | 0 | - | 4.99 | 136,793 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,521 |
| Countries with the Most Species | 0 | - | 4.99 | 89,769 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,012 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,919 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,224 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,828 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,750 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,004 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,692 |
| Countries in the Alps | 0 | - | 4.84 | 103,522 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,137 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,787 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,080 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,151 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,665 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,124 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,285 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,600 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,597 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,202 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,959 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,896 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,918 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,332 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,474 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,044 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,842 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,783 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,862 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 200,614 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,619 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,679 |
| Largest Countries By Category | 0 | - | 4.97 | 146,032 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,207 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,681 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 360,482 |
| Island Countries Quiz | 0 | - | 4.99 | 666,352 |
| Biggest Countries by Area | 0 | - | 5.00 | 943,144 |
| Northernmost Countries | 0 | - | 4.99 | 330,052 |
| Countries of South America | 0 | - | 5.00 | 805,253 |
| Countries of Oceania | 0 | - | 5.00 | 907,640 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,599,987 |
| Countries that Start with A | 0 | - | 4.98 | 1,966,113 |
| Countries that Start with B | 0 | - | 4.95 | 2,105,009 |
| Countries that Start with C | 0 | - | 4.96 | 1,665,664 |
| Countries that Start with D | 0 | - | 4.96 | 605,339 |
| Countries that Start with E | 0 | - | 4.95 | 1,247,138 |
| Countries that Start with G | 0 | - | 4.97 | 1,367,092 |
| Countries that Start with H | 0 | - | 4.96 | 516,349 |
| Countries that Start with I | 0 | - | 4.92 | 1,175,770 |
| Countries that Start with J | 0 | - | 4.98 | 518,942 |
| Countries that Start with K | 0 | - | 4.96 | 724,403 |
| Countries that Start with L | 0 | - | 4.98 | 984,037 |
| Countries that Start with N | 0 | - | 4.93 | 1,010,479 |
| Countries that Start with P | 0 | - | 4.95 | 1,112,824 |
| Countries that Start with S | 0 | - | 4.98 | 1,620,566 |
| Countries that Start with T | 0 | - | 4.89 | 921,497 |
| Countries that Start with U | 0 | - | 4.96 | 830,623 |
| Countries that Start with V | 0 | - | 4.98 | 556,388 |
| Countries that Start with F | 0 | - | 4.84 | 545,909 |
| Countries that Start with M | 0 | - | 4.97 | 1,267,168 |
| Catholic Countries Quiz | 0 | - | 4.81 | 198,891 |
| Countries with the Most Catholics | 0 | - | 4.91 | 94,974 |
| Orthodox Countries | 0 | - | 4.91 | 118,965 |
| Richest Island Countries | 0 | - | 4.87 | 88,991 |
| Monarchies of Europe | 0 | - | 4.88 | 87,821 |
| Monarchies of Asia | 0 | - | 4.95 | 54,588 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 107,491 |
| Countries with the Most Billionaires | 0 | - | 4.93 | 284,133 |
| Countries with the Most Muslims | 0 | - | 4.93 | 133,089 |
| Countries with the Most Exports | 0 | - | 4.96 | 139,597 |
| Top Crude Oil Producing Countries | 0 | - | 4.90 | 171,241 |
| Countries by Oil Consumption | 0 | - | 4.96 | 112,373 |
| Largest Economies in 2050 | 0 | - | 4.89 | 101,056 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 241,441 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 90,789 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.86 | 67,604 |
| Five Countries by a Single Word by Continent | 0 | - | 4.90 | 67,059 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 77,464 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,146 |
| Countries with Megacities | 0 | - | 4.99 | 200,559 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,321 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,305 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 97,480 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,311 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,507 |
| Countries by Official Language | 0 | - | 4.96 | 174,560 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 251,945 |
| Countries in their Native Language | 0 | - | 4.98 | 179,709 |
| Independence from Whom | 0 | - | 4.99 | 188,125 |
| Subdivisions by Country | 0 | - | 4.82 | 46,766 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 114,981 |
| Megadiverse Countries | 0 | - | 4.96 | 126,311 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 92,873 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 107,304 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.82 | 47,695 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 132,610 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,650 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 79,139 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 145,814 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 77,510 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,738 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,695 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 102,057 |
| Countries Furthest from the United States | 0 | - | 4.94 | 72,715 |
| Countries with the Highest HDI | 0 | - | 4.95 | 131,219 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 82,501 |
| Richest Countries A-Z | 0 | - | 4.92 | 89,573 |
| Large Countries with Small Economies | 0 | - | 4.94 | 73,959 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 82,373 |
| Communist Countries in History | 0 | - | 4.65 | 459,496 |
| Southernmost Countries of the World | 0 | - | 4.99 | 209,020 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 92,188 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 109,451 |
| Countries With the Most Languages | 0 | - | 4.91 | 176,442 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 88,408 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 72,701 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 87,787 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 54,777 |
| Tallest Countries North to South | 0 | - | 4.85 | 111,261 |
| Widest Countries East to West | 0 | - | 4.93 | 120,227 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 69,044 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 160,074 |
| Countries with the Longest Perimeter | 0 | - | 4.81 | 72,556 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 93,104 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 86,325 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 120,275 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,929 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,690 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,305 |
| Countries with Double Letters | 0 | - | 4.96 | 71,071 |
| Countries that End in N | 0 | - | 4.94 | 135,311 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 232,645 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 189,786 |
| Countries with W | 0 | - | 4.96 | 125,092 |
| Countries with Z | 0 | - | 4.98 | 263,095 |
| Countries with Letters Missing | 0 | - | 4.97 | 169,160 |
| Countries That End in U | 0 | - | 4.95 | 109,034 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 91,756 |
| Countries that End in O | 0 | - | 4.92 | 148,337 |
| Countries that End in R | 0 | - | 4.85 | 97,137 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,880 |
| Countries Ending in "IA" | 0 | - | 4.99 | 173,332 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 157,246 |
| Countries by Last Two Letters | 0 | - | 4.90 | 117,372 |
| Countries by First and Last Letter #2 | 0 | - | 4.95 | 130,307 |
| Countries That End in Y | 0 | - | 4.90 | 162,181 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 162,419 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 122,002 |
| Countries that End in I | 0 | - | 4.92 | 115,038 |
| Countries Based on First Two Letters #2 | 0 | - | 4.98 | 151,109 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 89,135 |
| Countries That End in NIA | 0 | - | 4.93 | 101,548 |
| Countries That End in BIA | 0 | - | 4.91 | 126,978 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 154,693 |
| Countries Whose Names Start with Saint | 0 | - | 4.89 | 110,613 |
| Countries That End in RIA | 0 | - | 4.90 | 101,639 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 101,335 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 203,587 |
