| Countries with the Most Muslims | 0 | - | 4.95 | 159,764 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,936 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,235 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,459 |
| Buddhist Countries | 0 | - | 4.96 | 143,358 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,607 |
| Orthodox Countries | 0 | - | 4.92 | 130,885 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,060 |
| Sharia Law Countries | 0 | - | 4.48 | 63,482 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,146,910 |
| NATO Countries | 0 | - | 4.98 | 277,948 |
| EU Countries Quiz | 0 | - | 4.99 | 271,494 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,262 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,244 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,375 |
| Countries with NO Military | 0 | - | 4.97 | 61,561 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,151 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,555 |
| Landlocked Countries | 0 | - | 4.99 | 416,451 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,722 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,075 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,418 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,530 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,878 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,698 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,739,142 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,834 |
| Himalayan Countries | 0 | - | 4.95 | 136,420 |
| Andean Countries | 0 | - | 4.95 | 83,440 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,709 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,931 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,389 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,991 |
| Danube Countries | 0 | - | 4.97 | 71,377 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,183 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,836 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,114 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,071 |
| European Landlocked Countries | 0 | - | 4.99 | 146,108 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,724 |
| Countries with the Most Species | 0 | - | 4.99 | 101,060 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,864 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,317 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,498 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,134 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,795 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,165 |
| Countries in the Alps | 0 | - | 4.86 | 117,303 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,879 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,845 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,237 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,720 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,797 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,232 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,961 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,983 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,787 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,317 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,346 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,196 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,705 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,981 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,991 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,669 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,877 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,415 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,212 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,889 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,514 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,810 |
| Largest Countries By Category | 0 | - | 4.97 | 157,224 |
| Countries by Countries | 0 | - | 4.96 | 62,575 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,066 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,650 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,744 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,612 |
| Island Countries | 0 | - | 4.99 | 708,745 |
| Countries with the Most Cathedrals | 0 | - | 4.50 | 43,279 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,087 |
| Northernmost Countries | 0 | - | 4.99 | 359,263 |
| Countries of South America | 0 | - | 5.00 | 919,371 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,279 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,911 |
| "Land" Countries | 0 | - | 4.98 | 334,520 |
| Countries that Start with A | 0 | - | 4.98 | 2,153,408 |
| Countries that Start with B | 0 | - | 4.95 | 2,285,711 |
| Countries that Start with C | 0 | - | 4.96 | 1,815,009 |
| Countries that Start with D | 0 | - | 4.96 | 704,773 |
| Countries that Start with E | 0 | - | 4.95 | 1,371,374 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,911 |
| Countries that Start with H | 0 | - | 4.96 | 600,645 |
| Countries that Start with I | 0 | - | 4.92 | 1,283,425 |
| Countries that Start with J | 0 | - | 4.98 | 598,669 |
| Countries that Start with K | 0 | - | 4.97 | 811,833 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,920 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,879 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,734 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,641 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,485 |
| Countries that Start with U | 0 | - | 4.97 | 901,773 |
| Countries that Start with V | 0 | - | 4.98 | 606,983 |
| Countries that Start with F | 0 | - | 4.83 | 614,397 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,703 |
| Richest Island Countries | 0 | - | 4.84 | 99,945 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,914 |
| Monarchies of Europe | 0 | - | 4.90 | 97,677 |
| Monarchies of Asia | 0 | - | 4.97 | 70,816 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,030 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,611 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,690 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,989 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,806 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,951 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 268,246 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,661 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,062 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,452 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,860 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,218 |
| Countries with Megacities | 0 | - | 4.99 | 248,822 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,071 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,517 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,441 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,468 |
| Countries by Official Language | 0 | - | 4.95 | 193,953 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,458 |
| Countries in their Native Language | 0 | - | 4.99 | 197,583 |
| Independence from Whom | 0 | - | 4.99 | 210,726 |
| Subdivisions by Country | 0 | - | 4.86 | 50,188 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,286 |
| Megadiverse Countries | 0 | - | 4.96 | 134,522 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,779 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,072 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,619 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,943 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,419 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,203 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,540 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,529 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,359 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,803 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,129 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,573 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,152 |
| Catholic Countries | 0 | - | 4.78 | 214,071 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,676 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,633 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,433 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,344 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,548 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,668 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,020 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,643 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,375 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,647 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,239 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,438 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,605 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,135 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,624 |
| Widest Countries East to West | 0 | - | 4.92 | 129,124 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,322 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,622 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,904 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,938 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,959 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,337 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,065 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,665 |
| Countries with Double Letters | 0 | - | 4.96 | 94,021 |
| Countries that End in N | 0 | - | 4.94 | 164,116 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,457 |
| Countries with Six Letters | 0 | - | 4.93 | 211,034 |
| Countries with W | 0 | - | 4.97 | 158,728 |
| Countries with Z | 0 | - | 4.98 | 288,646 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,971 |
| Countries That End in U | 0 | - | 4.95 | 119,852 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,099 |
| Countries that End in O | 0 | - | 4.92 | 158,813 |
| Countries that End in R | 0 | - | 4.87 | 118,477 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,008 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,674 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,704 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,783 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,346 |
| Countries That End in Y | 0 | - | 4.90 | 185,389 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,791 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,050 |
| Countries that End in I | 0 | - | 4.94 | 134,642 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,657 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,388 |
| Countries That End in NIA | 0 | - | 4.92 | 109,275 |
| Countries That End in BIA | 0 | - | 4.93 | 148,524 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,400 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,743 |
| Countries That End in RIA | 0 | - | 4.93 | 126,315 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,300 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,028 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,824 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,167 |