| Countries with the Most Muslims | 0 | - | 4.95 | 159,756 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,924 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,216 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,452 |
| Buddhist Countries | 0 | - | 4.96 | 143,351 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,600 |
| Orthodox Countries | 0 | - | 4.92 | 130,879 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,050 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,142,593 |
| NATO Countries | 0 | - | 4.98 | 277,911 |
| EU Countries Quiz | 0 | - | 4.99 | 271,460 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,232 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,208 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,368 |
| Countries with NO Military | 0 | - | 4.97 | 61,555 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,144 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,552 |
| Landlocked Countries | 0 | - | 4.99 | 416,390 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,714 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,067 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,410 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,490 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,865 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,686 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,738,652 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,807 |
| Himalayan Countries | 0 | - | 4.95 | 136,390 |
| Andean Countries | 0 | - | 4.95 | 83,427 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,693 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,916 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,376 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,981 |
| Danube Countries | 0 | - | 4.97 | 71,372 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,169 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,828 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,102 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,053 |
| European Landlocked Countries | 0 | - | 4.99 | 146,100 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,716 |
| Countries with the Most Species | 0 | - | 4.99 | 100,765 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,856 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,315 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,493 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,134 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,791 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,163 |
| Countries in the Alps | 0 | - | 4.86 | 117,296 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,875 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,828 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,235 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,715 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,785 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,227 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,957 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,975 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,783 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,311 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,341 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,194 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,700 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,972 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,988 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,660 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,873 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,407 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,207 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,848 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,500 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,799 |
| Largest Countries By Category | 0 | - | 4.97 | 157,218 |
| Countries by Countries | 0 | - | 4.96 | 62,566 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,060 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,609 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,718 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,574 |
| Island Countries | 0 | - | 4.99 | 708,732 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 43,201 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,008 |
| Northernmost Countries | 0 | - | 4.99 | 359,233 |
| Countries of South America | 0 | - | 5.00 | 919,317 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,190 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,795 |
| "Land" Countries | 0 | - | 4.98 | 334,464 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,265 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,563 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,890 |
| Countries that Start with D | 0 | - | 4.96 | 704,694 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,276 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,816 |
| Countries that Start with H | 0 | - | 4.96 | 600,575 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,357 |
| Countries that Start with J | 0 | - | 4.98 | 598,611 |
| Countries that Start with K | 0 | - | 4.97 | 811,782 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,849 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,816 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,663 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,535 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,442 |
| Countries that Start with U | 0 | - | 4.97 | 901,736 |
| Countries that Start with V | 0 | - | 4.98 | 606,876 |
| Countries that Start with F | 0 | - | 4.83 | 614,349 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,617 |
| Richest Island Countries | 0 | - | 4.84 | 99,937 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,807 |
| Monarchies of Europe | 0 | - | 4.90 | 97,671 |
| Monarchies of Asia | 0 | - | 4.97 | 70,813 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,017 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,610 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,685 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,979 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,803 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,946 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 268,181 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,649 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,056 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,435 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,852 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,200 |
| Countries with Megacities | 0 | - | 4.99 | 248,786 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,052 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,510 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,426 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,458 |
| Countries by Official Language | 0 | - | 4.95 | 193,931 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,428 |
| Countries in their Native Language | 0 | - | 4.99 | 197,556 |
| Independence from Whom | 0 | - | 4.99 | 210,635 |
| Subdivisions by Country | 0 | - | 4.86 | 50,187 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,274 |
| Megadiverse Countries | 0 | - | 4.96 | 134,519 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,760 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,070 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,615 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,942 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,415 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,198 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,530 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,524 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,355 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,802 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,122 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,571 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,146 |
| Catholic Countries | 0 | - | 4.78 | 214,064 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,671 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,632 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,837 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,427 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,342 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,541 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,667 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,013 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,635 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,369 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,624 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,230 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,428 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,601 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,132 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,621 |
| Widest Countries East to West | 0 | - | 4.92 | 129,120 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,320 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,616 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,902 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,936 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,956 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,333 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,046 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,663 |
| Countries with Double Letters | 0 | - | 4.96 | 93,974 |
| Countries that End in N | 0 | - | 4.94 | 162,749 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,398 |
| Countries with Six Letters | 0 | - | 4.93 | 210,990 |
| Countries with W | 0 | - | 4.97 | 158,672 |
| Countries with Z | 0 | - | 4.98 | 288,592 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,948 |
| Countries That End in U | 0 | - | 4.95 | 119,813 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,080 |
| Countries that End in O | 0 | - | 4.92 | 158,790 |
| Countries that End in R | 0 | - | 4.87 | 118,466 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,001 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,651 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,690 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,768 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,339 |
| Countries That End in Y | 0 | - | 4.90 | 185,375 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,782 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,039 |
| Countries that End in I | 0 | - | 4.94 | 134,632 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,650 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,382 |
| Countries That End in NIA | 0 | - | 4.92 | 109,265 |
| Countries That End in BIA | 0 | - | 4.93 | 148,507 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,387 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,739 |
| Countries That End in RIA | 0 | - | 4.93 | 126,307 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,293 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,007 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,817 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,164 |
