| Countries with the Most Muslims | 0 | - | 4.95 | 161,350 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,744 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,910 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,329 |
| Buddhist Countries | 0 | - | 4.96 | 145,240 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,603 |
| Orthodox Countries | 0 | - | 4.92 | 132,941 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,682 |
| Sharia Law Countries | 0 | - | 4.48 | 64,035 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,962,266 |
| NATO Countries | 0 | - | 4.98 | 283,941 |
| EU Countries Quiz | 0 | - | 4.99 | 278,834 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,863 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,620 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,984 |
| Countries with NO Military | 0 | - | 4.97 | 63,592 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,181 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 161,770 |
| Landlocked Countries | 0 | - | 4.99 | 427,175 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,453 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,271 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,240 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,308 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,290 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,951 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,779 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,877 |
| Himalayan Countries | 0 | - | 4.93 | 140,788 |
| Andean Countries | 0 | - | 4.94 | 85,778 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,904 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,469 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,454 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,677 |
| Danube Countries | 0 | - | 4.97 | 72,536 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,788 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,969 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,424 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,897 |
| European Landlocked Countries | 0 | - | 4.99 | 147,730 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,525 |
| Countries with the Most Species | 0 | - | 4.99 | 103,641 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,628 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,812 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,951 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,918 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,671 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,122 |
| Countries in the Alps | 0 | - | 4.87 | 118,957 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,968 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,109 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,051 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,165 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,118 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,384 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,579 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,985 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,508 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,306 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,949 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,825 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,664 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,915 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,014 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,130 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,726 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,387 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,830 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,261 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,472 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,607 |
| Largest Countries By Category | 0 | - | 4.97 | 159,073 |
| Countries by Countries | 0 | - | 4.97 | 63,796 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,218 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,529 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,022 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,307 |
| Island Countries | 0 | - | 4.99 | 712,975 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,433 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,067 |
| Northernmost Countries | 0 | - | 4.99 | 364,563 |
| Countries of South America | 0 | - | 5.00 | 934,139 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,353 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,749 |
| "Land" Countries | 0 | - | 4.98 | 338,962 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,159 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,786 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,266 |
| Countries that Start with D | 0 | - | 4.96 | 717,677 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,523 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,086 |
| Countries that Start with H | 0 | - | 4.96 | 610,449 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,695 |
| Countries that Start with J | 0 | - | 4.98 | 607,827 |
| Countries that Start with K | 0 | - | 4.97 | 821,657 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,974 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,037 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,209 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,716 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,798 |
| Countries that Start with U | 0 | - | 4.97 | 909,158 |
| Countries that Start with V | 0 | - | 4.98 | 612,507 |
| Countries that Start with F | 0 | - | 4.83 | 621,961 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,505 |
| Richest Island Countries | 0 | - | 4.85 | 101,346 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,815 |
| Monarchies of Europe | 0 | - | 4.90 | 99,016 |
| Monarchies of Asia | 0 | - | 4.97 | 71,592 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,327 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,344 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,360 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,655 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,717 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,053 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,504 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,131 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,208 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,327 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,231 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,473 |
| Countries with Megacities | 0 | - | 4.99 | 267,796 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,124 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,328 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,456 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,423 |
| Countries by Official Language | 0 | - | 4.95 | 196,201 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,922 |
| Countries in their Native Language | 0 | - | 4.99 | 199,948 |
| Independence from Whom | 0 | - | 4.99 | 213,384 |
| Subdivisions by Country | 0 | - | 4.87 | 50,664 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,641 |
| Megadiverse Countries | 0 | - | 4.96 | 148,863 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,125 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,573 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,800 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,257 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,454 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,922 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,270 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,621 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,162 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,284 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,747 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,481 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,197 |
| Catholic Countries | 0 | - | 4.80 | 215,770 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,502 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,216 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,940 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,222 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,385 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,807 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,498 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,224 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,695 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,904 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,540 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,655 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,845 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,761 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,930 |
| Widest Countries East to West | 0 | - | 4.92 | 130,840 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,627 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,388 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,558 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,152 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,100 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,606 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,532 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,921 |
| Countries with Double Letters | 0 | - | 4.96 | 97,600 |
| Countries that End in N | 0 | - | 4.95 | 172,609 |
| Countries with Five Letters | 0 | - | 4.96 | 284,611 |
| Countries with Six Letters | 0 | - | 4.94 | 214,937 |
| Countries with W | 0 | - | 4.96 | 161,293 |
| Countries with Z | 0 | - | 4.98 | 292,975 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,655 |
| Countries That End in U | 0 | - | 4.95 | 121,380 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,407 |
| Countries that End in O | 0 | - | 4.92 | 160,367 |
| Countries that End in R | 0 | - | 4.87 | 119,273 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,055 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,131 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 185,295 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,171 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,705 |
| Countries That End in Y | 0 | - | 4.91 | 186,170 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,214 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,407 |
| Countries that End in I | 0 | - | 4.94 | 135,419 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,225 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,140 |
| Countries That End in NIA | 0 | - | 4.92 | 110,154 |
| Countries That End in BIA | 0 | - | 4.93 | 149,731 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,923 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,893 |
| Countries That End in RIA | 0 | - | 4.93 | 127,141 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,537 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,920 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,379 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,839 |
