| Countries with the Most Muslims | 0 | - | 4.95 | 160,519 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,853 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,401 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,346 |
| Buddhist Countries | 0 | - | 4.96 | 144,464 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,590 |
| Orthodox Countries | 0 | - | 4.92 | 132,080 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,852 |
| Sharia Law Countries | 0 | - | 4.48 | 63,747 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,513,215 |
| NATO Countries | 0 | - | 4.98 | 280,886 |
| EU Countries Quiz | 0 | - | 4.99 | 274,802 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,796 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,738 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,710 |
| Countries with NO Military | 0 | - | 4.97 | 62,457 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,687 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 161,315 |
| Landlocked Countries | 0 | - | 4.99 | 421,140 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,528 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,630 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,839 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,995 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,655 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,714 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,354 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,033 |
| Himalayan Countries | 0 | - | 4.95 | 138,349 |
| Andean Countries | 0 | - | 4.93 | 84,391 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,613 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,532 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,242 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,646 |
| Danube Countries | 0 | - | 4.97 | 71,910 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,889 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,315 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,126 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,584 |
| European Landlocked Countries | 0 | - | 4.99 | 147,041 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,475 |
| Countries with the Most Species | 0 | - | 4.99 | 103,155 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,632 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,537 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,680 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,479 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,160 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,573 |
| Countries in the Alps | 0 | - | 4.87 | 118,057 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,462 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,859 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,588 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,396 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,880 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,560 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,415 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,120 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,762 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,589 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,456 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,129 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,396 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,430 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,691 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,228 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,732 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,912 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,508 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,847 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,153 |
| Largest Countries By Category | 0 | - | 4.97 | 158,041 |
| Countries by Countries | 0 | - | 4.96 | 63,095 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,580 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,846 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,276 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,682 |
| Island Countries | 0 | - | 4.99 | 710,708 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 46,467 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,734 |
| Northernmost Countries | 0 | - | 4.99 | 361,563 |
| Countries of South America | 0 | - | 5.00 | 926,019 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,267 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,301 |
| "Land" Countries | 0 | - | 4.98 | 337,053 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,331 |
| Countries that Start with B | 0 | - | 4.95 | 2,295,976 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,330 |
| Countries that Start with D | 0 | - | 4.96 | 710,548 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,194 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,432 |
| Countries that Start with H | 0 | - | 4.96 | 605,410 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,110 |
| Countries that Start with J | 0 | - | 4.98 | 603,066 |
| Countries that Start with K | 0 | - | 4.97 | 816,515 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,536 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,548 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,961 |
| Countries that Start with S | 0 | - | 4.98 | 1,755,950 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,505 |
| Countries that Start with U | 0 | - | 4.97 | 905,035 |
| Countries that Start with V | 0 | - | 4.98 | 609,702 |
| Countries that Start with F | 0 | - | 4.83 | 618,123 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,592 |
| Richest Island Countries | 0 | - | 4.85 | 100,647 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,435 |
| Monarchies of Europe | 0 | - | 4.90 | 98,222 |
| Monarchies of Asia | 0 | - | 4.97 | 71,133 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,960 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,939 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,513 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,842 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,469 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,525 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,008 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,399 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,630 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,338 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,461 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,667 |
| Countries with Megacities | 0 | - | 4.99 | 263,967 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,514 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,344 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,780 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,402 |
| Countries by Official Language | 0 | - | 4.95 | 195,068 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,145 |
| Countries in their Native Language | 0 | - | 4.99 | 198,680 |
| Independence from Whom | 0 | - | 4.99 | 211,884 |
| Subdivisions by Country | 0 | - | 4.86 | 50,387 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,580 |
| Megadiverse Countries | 0 | - | 4.96 | 134,941 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,930 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,298 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,877 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,077 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,003 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,547 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,343 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,981 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,600 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,053 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,501 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,830 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,672 |
| Catholic Countries | 0 | - | 4.79 | 215,056 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,143 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,914 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,267 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,268 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,981 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,266 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,919 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,175 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,903 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,976 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,809 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,929 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,229 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,394 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,506 |
| Widest Countries East to West | 0 | - | 4.92 | 129,567 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,432 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,274 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,088 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,700 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,486 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,769 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,335 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,782 |
| Countries with Double Letters | 0 | - | 4.96 | 95,984 |
| Countries that End in N | 0 | - | 4.95 | 170,886 |
| Countries with Five Letters | 0 | - | 4.96 | 282,018 |
| Countries with Six Letters | 0 | - | 4.94 | 213,306 |
| Countries with W | 0 | - | 4.97 | 160,143 |
| Countries with Z | 0 | - | 4.98 | 291,176 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,507 |
| Countries That End in U | 0 | - | 4.95 | 120,747 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,272 |
| Countries that End in O | 0 | - | 4.92 | 159,437 |
| Countries that End in R | 0 | - | 4.87 | 118,906 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,673 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,870 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,566 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,385 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,299 |
| Countries That End in Y | 0 | - | 4.91 | 185,811 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,764 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,737 |
| Countries that End in I | 0 | - | 4.94 | 135,033 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,935 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,757 |
| Countries That End in NIA | 0 | - | 4.92 | 109,707 |
| Countries That End in BIA | 0 | - | 4.93 | 149,103 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,001 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,328 |
| Countries That End in RIA | 0 | - | 4.93 | 126,741 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,921 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,327 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,555 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,955 |
