| Countries with the Most Muslims | 0 | - | 4.95 | 161,348 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,739 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,906 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,326 |
| Buddhist Countries | 0 | - | 4.96 | 145,238 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,599 |
| Orthodox Countries | 0 | - | 4.92 | 132,940 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,678 |
| Sharia Law Countries | 0 | - | 4.48 | 64,034 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,961,285 |
| NATO Countries | 0 | - | 4.98 | 283,936 |
| EU Countries Quiz | 0 | - | 4.99 | 278,829 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,860 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,615 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,984 |
| Countries with NO Military | 0 | - | 4.97 | 63,591 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,180 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 161,768 |
| Landlocked Countries | 0 | - | 4.99 | 427,157 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,453 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,270 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,238 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,299 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,285 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,948 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,811,721 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,873 |
| Himalayan Countries | 0 | - | 4.93 | 140,786 |
| Andean Countries | 0 | - | 4.94 | 85,776 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,902 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,465 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,452 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,676 |
| Danube Countries | 0 | - | 4.97 | 72,533 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,787 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,969 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,421 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,893 |
| European Landlocked Countries | 0 | - | 4.99 | 147,729 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,521 |
| Countries with the Most Species | 0 | - | 4.99 | 103,639 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,626 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,812 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,950 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,917 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,670 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,121 |
| Countries in the Alps | 0 | - | 4.87 | 118,954 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,962 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,107 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,050 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,160 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,117 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,381 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,577 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,983 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,507 |
| 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 | 79,914 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,014 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,128 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,724 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,379 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,828 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,253 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,468 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,607 |
| Largest Countries By Category | 0 | - | 4.97 | 159,072 |
| Countries by Countries | 0 | - | 4.97 | 63,795 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,215 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,516 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,019 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,298 |
| Island Countries | 0 | - | 4.99 | 712,974 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,432 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,049 |
| Northernmost Countries | 0 | - | 4.99 | 364,555 |
| Countries of South America | 0 | - | 5.00 | 934,117 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,327 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,892,712 |
| "Land" Countries | 0 | - | 4.98 | 338,957 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,129 |
| Countries that Start with B | 0 | - | 4.95 | 2,308,762 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,248 |
| Countries that Start with D | 0 | - | 4.96 | 717,665 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,502 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,070 |
| Countries that Start with H | 0 | - | 4.96 | 610,440 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,681 |
| Countries that Start with J | 0 | - | 4.98 | 607,818 |
| Countries that Start with K | 0 | - | 4.97 | 821,647 |
| Countries that Start with L | 0 | - | 4.98 | 1,097,965 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,026 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,192 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,690 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,790 |
| Countries that Start with U | 0 | - | 4.97 | 909,148 |
| Countries that Start with V | 0 | - | 4.98 | 612,503 |
| Countries that Start with F | 0 | - | 4.83 | 621,953 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,486 |
| Richest Island Countries | 0 | - | 4.85 | 101,345 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,797 |
| Monarchies of Europe | 0 | - | 4.90 | 99,015 |
| Monarchies of Asia | 0 | - | 4.97 | 71,592 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,324 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,344 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,359 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,653 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,698 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,052 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,497 |
| 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 | 85,204 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,325 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,229 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,471 |
| Countries with Megacities | 0 | - | 4.99 | 267,788 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,121 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,326 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,455 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,422 |
| Countries by Official Language | 0 | - | 4.95 | 196,196 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,913 |
| Countries in their Native Language | 0 | - | 4.99 | 199,944 |
| Independence from Whom | 0 | - | 4.99 | 213,382 |
| Subdivisions by Country | 0 | - | 4.87 | 50,663 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,641 |
| Megadiverse Countries | 0 | - | 4.96 | 148,808 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,123 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,573 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,799 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,257 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,452 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,917 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,269 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,620 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,159 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,284 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,743 |
| 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 | 89,501 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,215 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,938 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,221 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,384 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,801 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,495 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,221 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,692 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,900 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,540 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,653 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,844 |
| 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 | 130,838 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,627 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,387 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,557 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,151 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,099 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,602 |
| 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 | 97,597 |
| Countries that End in N | 0 | - | 4.95 | 172,605 |
| Countries with Five Letters | 0 | - | 4.96 | 284,605 |
| Countries with Six Letters | 0 | - | 4.94 | 214,934 |
| Countries with W | 0 | - | 4.96 | 161,292 |
| Countries with Z | 0 | - | 4.98 | 292,967 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,653 |
| Countries That End in U | 0 | - | 4.95 | 121,377 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,406 |
| Countries that End in O | 0 | - | 4.92 | 160,366 |
| 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 | 210,130 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 185,229 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,170 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,699 |
| Countries That End in Y | 0 | - | 4.91 | 186,169 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,210 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,406 |
| Countries that End in I | 0 | - | 4.94 | 135,417 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,220 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,139 |
| Countries That End in NIA | 0 | - | 4.92 | 110,153 |
| Countries That End in BIA | 0 | - | 4.93 | 149,730 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,921 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,891 |
| Countries That End in RIA | 0 | - | 4.93 | 127,141 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,536 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,916 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,379 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,838 |
