| Majority Muslim Countries | 0 | - | 4.98 | 375,161 |
| NATO Countries | 0 | - | 4.98 | 281,181 |
| EU Countries Quiz | 0 | - | 4.99 | 275,102 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,011 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,002 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,008 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,810 |
| Countries with NO Military | 0 | - | 4.97 | 62,528 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,733 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,540,061 |
| Landlocked Countries | 0 | - | 4.99 | 421,453 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,289 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,775 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,476 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,575 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,660 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,867 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,415 |
| Buddhist Countries | 0 | - | 4.96 | 144,511 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,774 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,774,845 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,185 |
| Himalayan Countries | 0 | - | 4.95 | 138,476 |
| Andean Countries | 0 | - | 4.93 | 84,471 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,664 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,643 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,294 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,698 |
| Danube Countries | 0 | - | 4.97 | 71,944 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,934 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,360 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,188 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,651 |
| European Landlocked Countries | 0 | - | 4.99 | 147,069 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,530 |
| Countries with the Most Species | 0 | - | 4.99 | 103,179 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,677 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,551 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,696 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,501 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,181 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,599 |
| Countries in the Alps | 0 | - | 4.87 | 118,118 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,714 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,936 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,607 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,544 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,430 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,904 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,600 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,445 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,143 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,795 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,619 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,482 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,168 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,422 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,466 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,762 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,257 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 62,519 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,668 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,978 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,660 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,937 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,176 |
| Largest Countries By Category | 0 | - | 4.97 | 158,111 |
| Orthodox Countries | 0 | - | 4.92 | 132,155 |
| Countries by Countries | 0 | - | 4.96 | 63,136 |
| Richest Island Countries | 0 | - | 4.85 | 100,695 |
| Monarchies of Europe | 0 | - | 4.90 | 98,264 |
| Monarchies of Asia | 0 | - | 4.97 | 71,162 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,458 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,024 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,618 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,967 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,574 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,567 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,879 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,490 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,556 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,199 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,447 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,654 |
| Countries that Start with A | 0 | - | 4.98 | 2,165,107 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,666 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,914 |
| Countries that Start with D | 0 | - | 4.96 | 710,964 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,694 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,944 |
| Countries that Start with H | 0 | - | 4.96 | 605,701 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,493 |
| Countries that Start with J | 0 | - | 4.98 | 603,321 |
| Countries that Start with K | 0 | - | 4.97 | 816,804 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,889 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,913 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,327 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,529 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,780 |
| Countries that Start with U | 0 | - | 4.97 | 905,253 |
| Countries that Start with V | 0 | - | 4.98 | 609,858 |
| Countries that Start with F | 0 | - | 4.83 | 618,315 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,988 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,923 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,393 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,505 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,133 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,359 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,889 |
| Island Countries | 0 | - | 4.99 | 710,841 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,333 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,154 |
| Northernmost Countries | 0 | - | 4.99 | 361,723 |
| Countries of South America | 0 | - | 5.00 | 926,569 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,901 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,875,537 |
| "Land" Countries | 0 | - | 4.98 | 337,165 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,302 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,328 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,007 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,244 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,161 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,057 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,336 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,480 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,301 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,766 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,752 |
| Countries with Megacities | 0 | - | 4.99 | 264,224 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,608 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,397 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,869 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,460 |
| Countries by Official Language | 0 | - | 4.95 | 195,150 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,223 |
| Countries in their Native Language | 0 | - | 4.99 | 198,940 |
| Independence from Whom | 0 | - | 4.99 | 211,960 |
| Subdivisions by Country | 0 | - | 4.86 | 50,400 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,635 |
| Megadiverse Countries | 0 | - | 4.96 | 134,968 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,986 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,320 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,032 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,089 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,048 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,563 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,389 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,998 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,616 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,094 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,575 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,845 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,171 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,931 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,320 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,464 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,298 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,990 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,216 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,938 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,070 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,828 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,961 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,256 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,409 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,526 |
| Widest Countries East to West | 0 | - | 4.92 | 129,594 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,437 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,323 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,101 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,729 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,534 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,805 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,352 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,790 |
| Countries with Double Letters | 0 | - | 4.96 | 96,099 |
| Countries that End in N | 0 | - | 4.95 | 170,983 |
| Countries with Five Letters | 0 | - | 4.96 | 282,178 |
| Countries with Six Letters | 0 | - | 4.94 | 213,408 |
| Countries with W | 0 | - | 4.97 | 160,223 |
| Countries with Z | 0 | - | 4.98 | 291,287 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,580 |
| Countries That End in U | 0 | - | 4.95 | 120,780 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,347 |
| Countries that End in O | 0 | - | 4.92 | 159,465 |
| Countries that End in R | 0 | - | 4.87 | 118,930 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,689 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,952 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,614 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,413 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,333 |
| Countries That End in Y | 0 | - | 4.91 | 185,839 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,818 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,778 |
| Countries that End in I | 0 | - | 4.94 | 135,050 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,994 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,775 |
| Countries That End in NIA | 0 | - | 4.92 | 109,726 |
| Countries That End in BIA | 0 | - | 4.93 | 149,133 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,036 |