| Countries with the Most Muslims | 0 | - | 4.95 | 160,115 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,671 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,748 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,832 |
| Buddhist Countries | 0 | - | 4.96 | 143,687 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,043 |
| Orthodox Countries | 0 | - | 4.92 | 131,253 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,425 |
| Sharia Law Countries | 0 | - | 4.48 | 63,584 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,312,617 |
| NATO Countries | 0 | - | 4.98 | 279,165 |
| EU Countries Quiz | 0 | - | 4.99 | 272,786 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,353 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,771 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,928 |
| Countries with NO Military | 0 | - | 4.97 | 61,927 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,378 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,710 |
| Landlocked Countries | 0 | - | 4.99 | 418,570 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,090 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,333 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,632 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,649 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,580 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,147 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,754,879 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,797 |
| Himalayan Countries | 0 | - | 4.94 | 137,257 |
| Andean Countries | 0 | - | 4.95 | 83,845 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,116 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,513 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,774 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,298 |
| Danube Countries | 0 | - | 4.97 | 71,615 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,492 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,015 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,579 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,647 |
| European Landlocked Countries | 0 | - | 4.99 | 146,729 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,075 |
| Countries with the Most Species | 0 | - | 4.99 | 102,868 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,211 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,420 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,575 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,279 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,956 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,332 |
| Countries in the Alps | 0 | - | 4.87 | 117,631 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,095 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,301 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,385 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,947 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,051 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,418 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,237 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,150 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,944 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,518 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,456 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,319 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,894 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,166 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,181 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,124 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,039 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,554 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,473 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,222 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,137 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,971 |
| Largest Countries By Category | 0 | - | 4.97 | 157,576 |
| Countries by Countries | 0 | - | 4.96 | 62,805 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,292 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,701 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,505 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,931 |
| Island Countries | 0 | - | 4.99 | 709,610 |
| Countries with the Most Cathedrals | 0 | - | 4.49 | 45,324 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,711 |
| Northernmost Countries | 0 | - | 4.99 | 360,335 |
| Countries of South America | 0 | - | 5.00 | 922,522 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,502 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,466 |
| "Land" Countries | 0 | - | 4.98 | 335,720 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,433 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,432 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,810 |
| Countries that Start with D | 0 | - | 4.96 | 707,361 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,548 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,192 |
| Countries that Start with H | 0 | - | 4.96 | 602,851 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,911 |
| Countries that Start with J | 0 | - | 4.98 | 600,714 |
| Countries that Start with K | 0 | - | 4.97 | 813,806 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,654 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,596 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,096 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,079 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,311 |
| Countries that Start with U | 0 | - | 4.97 | 903,226 |
| Countries that Start with V | 0 | - | 4.98 | 608,284 |
| Countries that Start with F | 0 | - | 4.83 | 616,135 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,348 |
| Richest Island Countries | 0 | - | 4.84 | 100,276 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,000 |
| Monarchies of Europe | 0 | - | 4.90 | 97,933 |
| Monarchies of Asia | 0 | - | 4.97 | 70,964 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,493 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,768 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,067 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,379 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,265 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,244 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,168 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,007 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,334 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,864 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,140 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,918 |
| Countries with Megacities | 0 | - | 4.99 | 257,343 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,778 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,927 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,070 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,933 |
| Countries by Official Language | 0 | - | 4.95 | 194,584 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,463 |
| Countries in their Native Language | 0 | - | 4.99 | 198,129 |
| Independence from Whom | 0 | - | 4.99 | 211,239 |
| Subdivisions by Country | 0 | - | 4.86 | 50,273 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,644 |
| Megadiverse Countries | 0 | - | 4.96 | 134,746 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,506 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,162 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,732 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,007 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,672 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,360 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,923 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,821 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,467 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,973 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,893 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,694 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,418 |
| Catholic Countries | 0 | - | 4.78 | 214,477 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,970 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,757 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,888 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,713 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,752 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,004 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,439 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,894 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,604 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,259 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,485 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,648 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,799 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,246 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,256 |
| Widest Countries East to West | 0 | - | 4.92 | 129,339 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,376 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,922 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,983 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,489 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,179 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,517 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,222 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,723 |
| Countries with Double Letters | 0 | - | 4.97 | 95,034 |
| Countries that End in N | 0 | - | 4.95 | 169,888 |
| Countries with Five Letters | 0 | - | 4.96 | 279,816 |
| Countries with Six Letters | 0 | - | 4.94 | 212,413 |
| Countries with W | 0 | - | 4.97 | 159,491 |
| Countries with Z | 0 | - | 4.98 | 289,735 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,684 |
| Countries That End in U | 0 | - | 4.95 | 120,388 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,707 |
| Countries that End in O | 0 | - | 4.92 | 159,178 |
| Countries that End in R | 0 | - | 4.87 | 118,722 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,501 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,265 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,073 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,062 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,643 |
| Countries That End in Y | 0 | - | 4.90 | 185,636 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,184 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,388 |
| Countries that End in I | 0 | - | 4.94 | 134,846 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,036 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,559 |
| Countries That End in NIA | 0 | - | 4.92 | 109,499 |
| Countries That End in BIA | 0 | - | 4.93 | 148,815 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,676 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,024 |
| Countries That End in RIA | 0 | - | 4.93 | 126,512 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,598 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,608 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,177 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,528 |
