| Countries with the Most Muslims | 0 | - | 4.95 | 160,529 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,895 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,417 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,363 |
| Buddhist Countries | 0 | - | 4.96 | 144,470 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,609 |
| Orthodox Countries | 0 | - | 4.92 | 132,095 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,872 |
| Sharia Law Countries | 0 | - | 4.48 | 63,755 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,519,844 |
| NATO Countries | 0 | - | 4.98 | 280,959 |
| EU Countries Quiz | 0 | - | 4.99 | 274,882 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,844 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 273,806 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,735 |
| Countries with NO Military | 0 | - | 4.97 | 62,475 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,702 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 161,324 |
| Landlocked Countries | 0 | - | 4.99 | 421,207 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,540 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,635 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,844 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,027 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,675 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,730 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,772,919 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,063 |
| Himalayan Countries | 0 | - | 4.95 | 138,373 |
| Andean Countries | 0 | - | 4.93 | 84,406 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,630 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,550 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,252 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,656 |
| Danube Countries | 0 | - | 4.97 | 71,919 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,896 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,323 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,135 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,595 |
| European Landlocked Countries | 0 | - | 4.99 | 147,050 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,485 |
| Countries with the Most Species | 0 | - | 4.99 | 103,159 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,644 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,541 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,684 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,483 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,164 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,576 |
| Countries in the Alps | 0 | - | 4.87 | 118,072 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,517 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,878 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,593 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,517 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,408 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,884 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,566 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,423 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,125 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,773 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,600 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,464 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,141 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,401 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,439 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,709 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,235 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 60,261 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,921 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,543 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,872 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,159 |
| Largest Countries By Category | 0 | - | 4.97 | 158,061 |
| Countries by Countries | 0 | - | 4.96 | 63,102 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,589 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,911 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,293 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,725 |
| Island Countries | 0 | - | 4.99 | 710,742 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 46,499 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,840 |
| Northernmost Countries | 0 | - | 4.99 | 361,600 |
| Countries of South America | 0 | - | 5.00 | 926,154 |
| Countries of Oceania | 0 | - | 5.00 | 1,055,393 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,874,601 |
| "Land" Countries | 0 | - | 4.98 | 337,082 |
| Countries that Start with A | 0 | - | 4.98 | 2,164,489 |
| Countries that Start with B | 0 | - | 4.95 | 2,296,149 |
| Countries that Start with C | 0 | - | 4.96 | 1,823,458 |
| Countries that Start with D | 0 | - | 4.96 | 710,641 |
| Countries that Start with E | 0 | - | 4.95 | 1,378,297 |
| Countries that Start with G | 0 | - | 4.97 | 1,504,542 |
| Countries that Start with H | 0 | - | 4.96 | 605,468 |
| Countries that Start with I | 0 | - | 4.92 | 1,289,182 |
| Countries that Start with J | 0 | - | 4.98 | 603,124 |
| Countries that Start with K | 0 | - | 4.97 | 816,577 |
| Countries that Start with L | 0 | - | 4.98 | 1,091,611 |
| Countries that Start with N | 0 | - | 4.93 | 1,118,619 |
| Countries that Start with P | 0 | - | 4.94 | 1,217,044 |
| Countries that Start with S | 0 | - | 4.98 | 1,756,107 |
| Countries that Start with T | 0 | - | 4.90 | 1,010,562 |
| Countries that Start with U | 0 | - | 4.97 | 905,084 |
| Countries that Start with V | 0 | - | 4.98 | 609,739 |
| Countries that Start with F | 0 | - | 4.83 | 618,165 |
| Countries that Start with M | 0 | - | 4.97 | 1,382,691 |
| Richest Island Countries | 0 | - | 4.85 | 100,666 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,381,636 |
| Monarchies of Europe | 0 | - | 4.90 | 98,228 |
| Monarchies of Asia | 0 | - | 4.97 | 71,139 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,972 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,949 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,523 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,852 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,477 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,532 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,049 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,413 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,636 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,358 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,474 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,685 |
| Countries with Megacities | 0 | - | 4.99 | 264,032 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,526 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,363 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,795 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,420 |
| Countries by Official Language | 0 | - | 4.95 | 195,088 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,155 |
| Countries in their Native Language | 0 | - | 4.99 | 198,768 |
| Independence from Whom | 0 | - | 4.99 | 211,905 |
| Subdivisions by Country | 0 | - | 4.86 | 50,392 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,591 |
| Megadiverse Countries | 0 | - | 4.96 | 134,948 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,942 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,306 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,880 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,079 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,012 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,551 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,349 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,983 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,602 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,054 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,522 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,835 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,681 |
| Catholic Countries | 0 | - | 4.79 | 215,062 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,145 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,919 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,274 |
| Richest Countries A-Z | 0 | - | 4.91 | 103,284 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,984 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,271 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,938 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,187 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,911 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,992 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,812 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,936 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,239 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,398 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,514 |
| Widest Countries East to West | 0 | - | 4.92 | 129,575 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,434 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,280 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,094 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,711 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,497 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,775 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,339 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,784 |
| Countries with Double Letters | 0 | - | 4.96 | 96,014 |
| Countries that End in N | 0 | - | 4.95 | 170,910 |
| Countries with Five Letters | 0 | - | 4.96 | 282,054 |
| Countries with Six Letters | 0 | - | 4.94 | 213,318 |
| Countries with W | 0 | - | 4.97 | 160,157 |
| Countries with Z | 0 | - | 4.98 | 291,202 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,523 |
| Countries That End in U | 0 | - | 4.95 | 120,752 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,289 |
| Countries that End in O | 0 | - | 4.92 | 159,448 |
| Countries that End in R | 0 | - | 4.87 | 118,912 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,675 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,896 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,579 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,392 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,310 |
| Countries That End in Y | 0 | - | 4.91 | 185,821 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,781 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,747 |
| Countries that End in I | 0 | - | 4.94 | 135,042 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,947 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,761 |
| Countries That End in NIA | 0 | - | 4.92 | 109,712 |
| Countries That End in BIA | 0 | - | 4.93 | 149,110 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,008 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,334 |
| Countries That End in RIA | 0 | - | 4.93 | 126,750 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,928 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,346 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,568 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,962 |
