| NATO Countries | 0 | - | 4.98 | 279,384 |
| EU Countries Quiz | 0 | - | 4.99 | 272,980 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,495 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,945 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,338,877 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,289 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,516 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,991 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,806 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,029 |
| Countries with NO Military | 0 | - | 4.97 | 61,985 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,419 |
| Landlocked Countries | 0 | - | 4.99 | 419,018 |
| All OPEC Countries Ever | 0 | - | 4.77 | 90,834 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,828 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,162 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,376 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,671 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,914 |
| Buddhist Countries | 0 | - | 4.96 | 144,000 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,877 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,222 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,275 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,898 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,904 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,507 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,025 |
| Himalayan Countries | 0 | - | 4.94 | 137,454 |
| Andean Countries | 0 | - | 4.95 | 83,955 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,238 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,687 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,844 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,361 |
| Danube Countries | 0 | - | 4.97 | 71,671 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,560 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,064 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,666 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,744 |
| European Landlocked Countries | 0 | - | 4.99 | 146,783 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,146 |
| Countries with the Most Species | 0 | - | 4.99 | 102,917 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,278 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,433 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,592 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,310 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,996 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,370 |
| Countries in the Alps | 0 | - | 4.87 | 117,701 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,139 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,374 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,427 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,995 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,107 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,635 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,291 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,194 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,974 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,558 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,483 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,342 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,933 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,190 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,213 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,204 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,067 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,576 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,535 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,412 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,243 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,005 |
| Largest Countries By Category | 0 | - | 4.97 | 157,650 |
| Countries by Countries | 0 | - | 4.96 | 62,846 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,328 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,055 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,623 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,140 |
| Island Countries | 0 | - | 4.99 | 709,795 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,116 |
| Northernmost Countries | 0 | - | 4.99 | 360,507 |
| Countries of South America | 0 | - | 5.00 | 922,989 |
| Countries of Oceania | 0 | - | 5.00 | 1,051,142 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,531 |
| "Land" Countries | 0 | - | 4.98 | 335,806 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,174 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,153 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,410 |
| Countries that Start with D | 0 | - | 4.96 | 707,767 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,991 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,681 |
| Countries that Start with H | 0 | - | 4.96 | 603,214 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,293 |
| Countries that Start with J | 0 | - | 4.98 | 601,049 |
| Countries that Start with K | 0 | - | 4.97 | 814,297 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,023 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,976 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,476 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,555 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,569 |
| Countries that Start with U | 0 | - | 4.97 | 903,439 |
| Countries that Start with V | 0 | - | 4.98 | 608,490 |
| Countries that Start with F | 0 | - | 4.83 | 616,388 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,775 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,604 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,127 |
| Orthodox Countries | 0 | - | 4.92 | 131,344 |
| Richest Island Countries | 0 | - | 4.84 | 100,319 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,840 |
| Monarchies of Europe | 0 | - | 4.90 | 97,978 |
| Monarchies of Asia | 0 | - | 4.97 | 70,992 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,566 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,784 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,173 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,133 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,450 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,297 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,293 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,473 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,071 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,379 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,954 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,183 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,042 |
| Countries with Megacities | 0 | - | 4.99 | 260,362 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,911 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,004 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,189 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,013 |
| Countries by Official Language | 0 | - | 4.95 | 194,647 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,551 |
| Countries in their Native Language | 0 | - | 4.99 | 198,196 |
| Independence from Whom | 0 | - | 4.99 | 211,331 |
| Subdivisions by Country | 0 | - | 4.86 | 50,288 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,721 |
| Megadiverse Countries | 0 | - | 4.96 | 134,772 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,552 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,186 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,760 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,018 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,716 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,385 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,984 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,847 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,490 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,991 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,996 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,722 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,995 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,782 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,971 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,783 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,778 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,037 |
| Communist Countries in History | 0 | - | 4.63 | 495,009 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,515 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,934 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,646 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,340 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,520 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,675 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,836 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,264 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,289 |
| Widest Countries East to West | 0 | - | 4.92 | 129,380 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,385 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,968 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,995 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,513 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,224 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,557 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,236 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,728 |
| Countries with Double Letters | 0 | - | 4.97 | 95,106 |
| Countries that End in N | 0 | - | 4.95 | 170,013 |
| Countries with Five Letters | 0 | - | 4.96 | 280,293 |
| Countries with Six Letters | 0 | - | 4.94 | 212,496 |
| Countries with W | 0 | - | 4.97 | 159,527 |
| Countries with Z | 0 | - | 4.98 | 289,821 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,757 |
| Countries That End in U | 0 | - | 4.95 | 120,417 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,763 |
| Countries that End in O | 0 | - | 4.92 | 159,201 |
| Countries that End in R | 0 | - | 4.87 | 118,735 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,515 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,344 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,115 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,090 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,671 |
| Countries That End in Y | 0 | - | 4.90 | 185,651 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,232 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,433 |
| Countries that End in I | 0 | - | 4.94 | 134,874 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,092 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,583 |
| Countries That End in NIA | 0 | - | 4.92 | 109,520 |
| Countries That End in BIA | 0 | - | 4.93 | 148,851 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,729 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,066 |
| Countries That End in RIA | 0 | - | 4.93 | 126,542 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,639 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,720 |
