| Countries with the Most Muslims | 0 | - | 4.95 | 159,460 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,366 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,712 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,064 |
| Buddhist Countries | 0 | - | 4.96 | 143,103 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,225 |
| Orthodox Countries | 0 | - | 4.91 | 130,550 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,757 |
| Sharia Law Countries | 0 | - | 4.48 | 63,400 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,003,013 |
| NATO Countries | 0 | - | 4.98 | 276,759 |
| EU Countries Quiz | 0 | - | 4.99 | 270,530 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,425 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,009 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,978 |
| Countries with NO Military | 0 | - | 4.97 | 61,287 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,991 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,414 |
| Landlocked Countries | 0 | - | 4.99 | 414,626 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,426 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,833 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,240 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,488 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,202 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,295 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,725,128 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,010 |
| Himalayan Countries | 0 | - | 4.95 | 135,715 |
| Andean Countries | 0 | - | 4.94 | 83,032 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,380 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,451 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,079 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,741 |
| Danube Countries | 0 | - | 4.97 | 71,186 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,907 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,645 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,715 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,617 |
| European Landlocked Countries | 0 | - | 4.99 | 145,881 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,369 |
| Countries with the Most Species | 0 | - | 4.99 | 95,301 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,540 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,239 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,406 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,020 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,658 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,026 |
| Countries in the Alps | 0 | - | 4.86 | 116,988 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,685 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,462 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,111 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,514 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,299 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,095 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,703 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,845 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,605 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,155 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,235 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,103 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,542 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,829 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,833 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,304 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,741 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,313 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,949 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,880 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,007 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,686 |
| Largest Countries By Category | 0 | - | 4.97 | 156,912 |
| Countries by Countries | 0 | - | 4.96 | 62,370 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,864 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,217 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,500 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,368 |
| Island Countries | 0 | - | 4.99 | 708,023 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,889 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,847 |
| Northernmost Countries | 0 | - | 4.99 | 358,291 |
| Countries of South America | 0 | - | 5.00 | 916,648 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,661 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,903 |
| "Land" Countries | 0 | - | 4.98 | 333,921 |
| Countries that Start with A | 0 | - | 4.98 | 2,149,319 |
| Countries that Start with B | 0 | - | 4.95 | 2,282,019 |
| Countries that Start with C | 0 | - | 4.96 | 1,812,090 |
| Countries that Start with D | 0 | - | 4.96 | 702,753 |
| Countries that Start with E | 0 | - | 4.95 | 1,368,970 |
| Countries that Start with G | 0 | - | 4.97 | 1,494,360 |
| Countries that Start with H | 0 | - | 4.96 | 598,923 |
| Countries that Start with I | 0 | - | 4.92 | 1,281,458 |
| Countries that Start with J | 0 | - | 4.98 | 596,979 |
| Countries that Start with K | 0 | - | 4.97 | 810,310 |
| Countries that Start with L | 0 | - | 4.98 | 1,084,025 |
| Countries that Start with N | 0 | - | 4.93 | 1,110,916 |
| Countries that Start with P | 0 | - | 4.94 | 1,209,632 |
| Countries that Start with S | 0 | - | 4.98 | 1,746,119 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,038 |
| Countries that Start with U | 0 | - | 4.97 | 900,605 |
| Countries that Start with V | 0 | - | 4.98 | 605,710 |
| Countries that Start with F | 0 | - | 4.83 | 613,006 |
| Countries that Start with M | 0 | - | 4.97 | 1,374,606 |
| Richest Island Countries | 0 | - | 4.84 | 99,660 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,185 |
| Monarchies of Europe | 0 | - | 4.90 | 97,461 |
| Monarchies of Asia | 0 | - | 4.97 | 70,677 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,649 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,495 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,332 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,636 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,615 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,754 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 262,541 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,104 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,824 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,116 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,618 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,711 |
| Countries with Megacities | 0 | - | 4.99 | 247,774 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,563 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,240 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,964 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,186 |
| Countries by Official Language | 0 | - | 4.95 | 192,985 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,437 |
| Countries in their Native Language | 0 | - | 4.99 | 196,845 |
| Independence from Whom | 0 | - | 4.99 | 209,958 |
| Subdivisions by Country | 0 | - | 4.86 | 50,115 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,934 |
| Megadiverse Countries | 0 | - | 4.97 | 133,983 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,015 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,969 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,482 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,888 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,791 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,075 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,220 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,235 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,266 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,768 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,770 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,467 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,955 |
| Catholic Countries | 0 | - | 4.78 | 213,802 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,568 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,557 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,177 |
| Richest Countries A-Z | 0 | - | 4.92 | 102,056 |
| Large Countries with Small Economies | 0 | - | 4.94 | 80,416 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,445 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,613 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,387 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,129 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,106 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,026 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,216 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,417 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,023 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,463 |
| Widest Countries East to West | 0 | - | 4.92 | 128,957 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,261 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,368 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,617 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,787 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,727 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,156 |
| Countries by Contribution to UN Budget | 0 | - | 4.89 | 74,357 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,626 |
| Countries with Double Letters | 0 | - | 4.97 | 93,585 |
| Countries that End in N | 0 | - | 4.94 | 157,063 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,906 |
| Countries with Six Letters | 0 | - | 4.93 | 210,568 |
| Countries with W | 0 | - | 4.97 | 158,358 |
| Countries with Z | 0 | - | 4.98 | 288,096 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,683 |
| Countries That End in U | 0 | - | 4.95 | 119,588 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,782 |
| Countries that End in O | 0 | - | 4.92 | 158,617 |
| Countries that End in R | 0 | - | 4.87 | 118,338 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,907 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,305 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,470 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,592 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,137 |
| Countries That End in Y | 0 | - | 4.90 | 185,260 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,531 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,823 |
| Countries that End in I | 0 | - | 4.94 | 134,501 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,362 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,259 |
| Countries That End in NIA | 0 | - | 4.92 | 109,078 |
| Countries That End in BIA | 0 | - | 4.92 | 147,803 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,185 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,587 |
| Countries That End in RIA | 0 | - | 4.93 | 126,155 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 110,120 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,556 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,619 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,981 |
