| NATO Countries | 0 | - | 4.98 | 278,431 |
| EU Countries Quiz | 0 | - | 4.99 | 271,993 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,192 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,577 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,206,606 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,231 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,662 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,779 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,228 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,599 |
| Countries with NO Military | 0 | - | 4.97 | 61,717 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,252 |
| Landlocked Countries | 0 | - | 4.99 | 417,210 |
| All OPEC Countries Ever | 0 | - | 4.74 | 89,569 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,426 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,878 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,182 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,499 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,605 |
| Buddhist Countries | 0 | - | 4.96 | 143,488 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,129 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,871 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,766 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,398 |
| Countries with Most Nobel Prizes by Continent | 0 | - | 4.93 | 59,859 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,428 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,196 |
| Himalayan Countries | 0 | - | 4.95 | 136,742 |
| Andean Countries | 0 | - | 4.95 | 83,593 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,853 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,146 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,519 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,118 |
| Danube Countries | 0 | - | 4.97 | 71,483 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,294 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,892 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,283 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,277 |
| European Landlocked Countries | 0 | - | 4.99 | 146,187 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,860 |
| Countries with the Most Species | 0 | - | 4.99 | 102,346 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,993 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,353 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,535 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,203 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,850 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,231 |
| Countries in the Alps | 0 | - | 4.86 | 117,423 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,957 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,030 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,295 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,798 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,895 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,314 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,062 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,036 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,857 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,389 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,390 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,233 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,782 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,045 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,052 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,828 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,936 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,463 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,298 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,316 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,727 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,870 |
| Largest Countries By Category | 0 | - | 4.97 | 157,350 |
| Countries by Countries | 0 | - | 4.96 | 62,661 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,137 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,468 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,061 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,171 |
| Island Countries | 0 | - | 4.99 | 709,062 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,030 |
| Northernmost Countries | 0 | - | 4.99 | 359,680 |
| Countries of South America | 0 | - | 5.00 | 920,452 |
| Countries of Oceania | 0 | - | 5.00 | 1,047,985 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,860,619 |
| "Land" Countries | 0 | - | 4.98 | 335,088 |
| Countries that Start with A | 0 | - | 4.98 | 2,155,239 |
| Countries that Start with B | 0 | - | 4.95 | 2,287,387 |
| Countries that Start with C | 0 | - | 4.96 | 1,816,360 |
| Countries that Start with D | 0 | - | 4.96 | 705,672 |
| Countries that Start with E | 0 | - | 4.95 | 1,372,508 |
| Countries that Start with G | 0 | - | 4.97 | 1,498,046 |
| Countries that Start with H | 0 | - | 4.96 | 601,400 |
| Countries that Start with I | 0 | - | 4.92 | 1,284,278 |
| Countries that Start with J | 0 | - | 4.98 | 599,377 |
| Countries that Start with K | 0 | - | 4.97 | 812,525 |
| Countries that Start with L | 0 | - | 4.98 | 1,086,735 |
| Countries that Start with N | 0 | - | 4.93 | 1,113,773 |
| Countries that Start with P | 0 | - | 4.94 | 1,212,542 |
| Countries that Start with S | 0 | - | 4.98 | 1,749,883 |
| Countries that Start with T | 0 | - | 4.90 | 1,007,126 |
| Countries that Start with U | 0 | - | 4.97 | 902,297 |
| Countries that Start with V | 0 | - | 4.98 | 607,458 |
| Countries that Start with F | 0 | - | 4.83 | 615,012 |
| Countries that Start with M | 0 | - | 4.97 | 1,377,640 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,751 |
| Orthodox Countries | 0 | - | 4.92 | 131,032 |
| Richest Island Countries | 0 | - | 4.84 | 100,047 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,371,843 |
| Monarchies of Europe | 0 | - | 4.90 | 97,763 |
| Monarchies of Asia | 0 | - | 4.97 | 70,871 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,221 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,677 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,888 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,820 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,132 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,869 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,044 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 269,051 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 103,777 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,150 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,736 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,974 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,473 |
| Countries with Megacities | 0 | - | 4.99 | 249,383 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,322 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,654 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,645 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,626 |
| Countries by Official Language | 0 | - | 4.95 | 194,209 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,018 |
| Countries in their Native Language | 0 | - | 4.99 | 197,813 |
| Independence from Whom | 0 | - | 4.99 | 210,951 |
| Subdivisions by Country | 0 | - | 4.86 | 50,219 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,435 |
| Megadiverse Countries | 0 | - | 4.96 | 134,596 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,974 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,105 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,660 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,960 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,509 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,268 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,685 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,590 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,400 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,818 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,460 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,609 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,709 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,681 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,519 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,496 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,615 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,765 |
| Communist Countries in History | 0 | - | 4.63 | 494,183 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,168 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,732 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,466 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,859 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,335 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,517 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,680 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,176 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,041 |
| Widest Countries East to West | 0 | - | 4.92 | 129,214 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,339 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,728 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,945 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,992 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,040 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,411 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,148 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,689 |
| Countries with Double Letters | 0 | - | 4.96 | 94,492 |
| Countries that End in N | 0 | - | 4.95 | 168,454 |
| Countries with Five Letters | 0 | - | 4.96 | 270,472 |
| Countries with Six Letters | 0 | - | 4.93 | 211,696 |
| Countries with W | 0 | - | 4.97 | 159,081 |
| Countries with Z | 0 | - | 4.98 | 289,157 |
| Countries with Letters Missing | 0 | - | 4.97 | 185,284 |
| Countries That End in U | 0 | - | 4.95 | 120,138 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,333 |
| Countries that End in O | 0 | - | 4.92 | 158,996 |
| Countries that End in R | 0 | - | 4.87 | 118,584 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,371 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,927 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,853 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,893 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,478 |
| Countries That End in Y | 0 | - | 4.90 | 185,499 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,954 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,183 |
| Countries that End in I | 0 | - | 4.94 | 134,720 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,781 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,453 |
| Countries That End in NIA | 0 | - | 4.92 | 109,344 |
| Countries That End in BIA | 0 | - | 4.93 | 148,643 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,498 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,843 |
| Countries That End in RIA | 0 | - | 4.93 | 126,390 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,415 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,222 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,954 |
