| Majority Muslim Countries | 0 | - | 4.98 | 378,407 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,792 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,942 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,349 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,634 |
| Orthodox Countries | 0 | - | 4.92 | 132,963 |
| Countries with the Most Muslims | 0 | - | 4.95 | 161,369 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,700 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,972,121 |
| NATO Countries | 0 | - | 4.98 | 284,007 |
| EU Countries Quiz | 0 | - | 4.99 | 278,908 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,926 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,828 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,020 |
| Countries with NO Military | 0 | - | 4.97 | 63,609 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,193 |
| Landlocked Countries | 0 | - | 4.99 | 427,279 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,472 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,281 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,251 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,376 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,329 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,983 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,717 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,933 |
| Himalayan Countries | 0 | - | 4.93 | 140,845 |
| Andean Countries | 0 | - | 4.94 | 85,810 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,924 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,497 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,470 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,695 |
| Danube Countries | 0 | - | 4.97 | 72,563 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,804 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,974 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,452 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,921 |
| European Landlocked Countries | 0 | - | 4.99 | 147,744 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,544 |
| Countries with the Most Species | 0 | - | 4.99 | 103,652 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,643 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,815 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,953 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,927 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,681 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,138 |
| Countries in the Alps | 0 | - | 4.87 | 118,982 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,003 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,139 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,056 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,173 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,130 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,395 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,601 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,994 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,516 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,316 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,954 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,831 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,678 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,927 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,024 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,152 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,738 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,486 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,844 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,322 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,504 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,620 |
| Largest Countries By Category | 0 | - | 4.97 | 159,100 |
| Countries by Countries | 0 | - | 4.97 | 63,812 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,235 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,640 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,049 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,381 |
| Island Countries | 0 | - | 4.99 | 713,019 |
| Sharia Law Countries | 0 | - | 4.48 | 64,042 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,458 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,211 |
| Northernmost Countries | 0 | - | 4.99 | 364,610 |
| Countries of South America | 0 | - | 5.00 | 934,328 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,578 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,149 |
| "Land" Countries | 0 | - | 4.98 | 339,006 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,473 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,092 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,473 |
| Countries that Start with D | 0 | - | 4.96 | 717,841 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,728 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,288 |
| Countries that Start with H | 0 | - | 4.96 | 610,563 |
| Countries that Start with I | 0 | - | 4.92 | 1,295,881 |
| Countries that Start with J | 0 | - | 4.98 | 607,951 |
| Countries that Start with K | 0 | - | 4.97 | 821,781 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,127 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,221 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,353 |
| Countries that Start with S | 0 | - | 4.98 | 1,764,888 |
| Countries that Start with T | 0 | - | 4.90 | 1,015,925 |
| Countries that Start with U | 0 | - | 4.97 | 909,253 |
| Countries that Start with V | 0 | - | 4.98 | 612,576 |
| Countries that Start with F | 0 | - | 4.83 | 622,050 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,654 |
| Richest Island Countries | 0 | - | 4.85 | 101,361 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,137 |
| Monarchies of Europe | 0 | - | 4.90 | 99,030 |
| Monarchies of Asia | 0 | - | 4.97 | 71,605 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,351 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,355 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,384 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,682 |
| Countries by Oil Consumption | 0 | - | 4.96 | 124,906 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,069 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,572 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,147 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,224 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,346 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,245 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,509 |
| Countries with Megacities | 0 | - | 4.99 | 267,877 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,162 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,345 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,490 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,444 |
| Countries by Official Language | 0 | - | 4.95 | 196,228 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,956 |
| Countries in their Native Language | 0 | - | 4.99 | 199,965 |
| Independence from Whom | 0 | - | 4.99 | 213,417 |
| Subdivisions by Country | 0 | - | 4.87 | 50,668 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,671 |
| Megadiverse Countries | 0 | - | 4.96 | 149,130 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,142 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,580 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,812 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,260 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,479 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,925 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,285 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,626 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,168 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,288 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,780 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,491 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,210 |
| Catholic Countries | 0 | - | 4.80 | 215,783 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,510 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,220 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,948 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,239 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,400 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,821 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,525 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,238 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,710 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,944 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,558 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,668 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,855 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,764 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,948 |
| Widest Countries East to West | 0 | - | 4.92 | 130,857 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,629 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,406 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,566 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,164 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,119 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,618 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,537 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,922 |
| Countries with Double Letters | 0 | - | 4.96 | 97,645 |
| Countries that End in N | 0 | - | 4.95 | 172,643 |
| Countries with Five Letters | 0 | - | 4.96 | 284,663 |
| Countries with Six Letters | 0 | - | 4.94 | 214,970 |
| Countries with W | 0 | - | 4.96 | 161,323 |
| Countries with Z | 0 | - | 4.98 | 293,021 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,686 |
| Countries That End in U | 0 | - | 4.95 | 121,396 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,440 |
| Countries that End in O | 0 | - | 4.92 | 160,373 |
| Countries that End in R | 0 | - | 4.87 | 119,283 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,063 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,166 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 186,047 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,203 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,800 |
| Countries That End in Y | 0 | - | 4.91 | 186,177 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,313 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,428 |
| Countries that End in I | 0 | - | 4.94 | 135,429 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,293 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,150 |
| Countries That End in NIA | 0 | - | 4.92 | 110,160 |
| Countries That End in BIA | 0 | - | 4.93 | 149,744 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,942 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,911 |
| Countries That End in RIA | 0 | - | 4.93 | 127,153 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,546 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,959 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,401 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,868 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 92,412 |
