| Countries with the Most Muslims | 0 | - | 4.95 | 161,433 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,932 |
| Countries with the Most Christians | 0 | - | 4.93 | 145,015 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,411 |
| Buddhist Countries | 0 | - | 4.96 | 145,311 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,704 |
| Orthodox Countries | 0 | - | 4.92 | 133,014 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,767 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,003,398 |
| NATO Countries | 0 | - | 4.98 | 284,244 |
| EU Countries Quiz | 0 | - | 4.99 | 279,168 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 292,111 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,296 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,113 |
| Countries with NO Military | 0 | - | 4.97 | 63,675 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,241 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 161,804 |
| Landlocked Countries | 0 | - | 4.99 | 427,663 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,518 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,314 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,277 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,553 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,472 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,107 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,815,328 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,115 |
| Himalayan Countries | 0 | - | 4.93 | 141,004 |
| Andean Countries | 0 | - | 4.94 | 85,891 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,004 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,617 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,546 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,752 |
| Danube Countries | 0 | - | 4.97 | 72,606 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,870 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,014 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,522 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,000 |
| European Landlocked Countries | 0 | - | 4.99 | 147,815 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,600 |
| Countries with the Most Species | 0 | - | 4.99 | 103,672 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,705 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,829 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,971 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,954 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,704 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,171 |
| Countries in the Alps | 0 | - | 4.87 | 119,045 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,114 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,249 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,090 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,216 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,186 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,423 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,640 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,031 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,536 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,348 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,976 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,850 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,703 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,959 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,060 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,246 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,767 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,760 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,897 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,539 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,629 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,639 |
| Largest Countries By Category | 0 | - | 4.97 | 159,170 |
| Countries by Countries | 0 | - | 4.97 | 63,851 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,283 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,000 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,163 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,612 |
| Island Countries | 0 | - | 4.99 | 713,177 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,534 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,679 |
| Northernmost Countries | 0 | - | 4.99 | 364,816 |
| Countries of South America | 0 | - | 5.00 | 934,858 |
| Countries of Oceania | 0 | - | 5.00 | 1,066,213 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,894,512 |
| "Land" Countries | 0 | - | 4.98 | 339,160 |
| Countries that Start with A | 0 | - | 4.98 | 2,179,352 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,986 |
| Countries that Start with C | 0 | - | 4.96 | 1,834,178 |
| Countries that Start with D | 0 | - | 4.96 | 718,342 |
| Countries that Start with E | 0 | - | 4.95 | 1,387,326 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,926 |
| Countries that Start with H | 0 | - | 4.96 | 610,951 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,458 |
| Countries that Start with J | 0 | - | 4.98 | 608,278 |
| Countries that Start with K | 0 | - | 4.97 | 822,165 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,587 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,688 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,789 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,502 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,272 |
| Countries that Start with U | 0 | - | 4.97 | 909,559 |
| Countries that Start with V | 0 | - | 4.98 | 612,774 |
| Countries that Start with F | 0 | - | 4.83 | 622,345 |
| Countries that Start with M | 0 | - | 4.97 | 1,390,130 |
| Richest Island Countries | 0 | - | 4.85 | 101,415 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,398,361 |
| Monarchies of Europe | 0 | - | 4.90 | 99,079 |
| Monarchies of Asia | 0 | - | 4.97 | 71,641 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,422 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,384 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,463 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,752 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,298 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,115 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,802 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,206 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 85,280 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,403 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,303 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,639 |
| Countries with Megacities | 0 | - | 4.99 | 268,148 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,289 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,405 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,617 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,519 |
| Countries by Official Language | 0 | - | 4.95 | 196,320 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 298,079 |
| Countries in their Native Language | 0 | - | 4.99 | 200,029 |
| Independence from Whom | 0 | - | 4.99 | 213,525 |
| Subdivisions by Country | 0 | - | 4.87 | 50,682 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,749 |
| Megadiverse Countries | 0 | - | 4.96 | 149,733 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,212 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,594 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,842 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,272 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,539 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,954 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,371 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,653 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,205 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,299 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,882 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,517 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,255 |
| Catholic Countries | 0 | - | 4.80 | 215,825 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,528 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,245 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,668 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,990 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,319 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,429 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,859 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,618 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,286 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,759 |
| Countries With the Most Languages | 0 | - | 4.90 | 204,051 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,612 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,724 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,901 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,783 |
| Tallest Countries North to South | 0 | - | 4.85 | 131,010 |
| Widest Countries East to West | 0 | - | 4.92 | 130,902 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,637 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,463 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,585 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,195 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,439 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,646 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,547 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,934 |
| Countries with Double Letters | 0 | - | 4.96 | 97,766 |
| Countries that End in N | 0 | - | 4.95 | 172,764 |
| Countries with Five Letters | 0 | - | 4.96 | 284,822 |
| Countries with Six Letters | 0 | - | 4.94 | 215,101 |
| Countries with W | 0 | - | 4.96 | 161,414 |
| Countries with Z | 0 | - | 4.98 | 293,158 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,782 |
| Countries That End in U | 0 | - | 4.95 | 121,451 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,538 |
| Countries that End in O | 0 | - | 4.92 | 160,421 |
| Countries that End in R | 0 | - | 4.87 | 119,314 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,085 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,252 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 187,562 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,296 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,967 |
| Countries That End in Y | 0 | - | 4.91 | 186,199 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,502 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,476 |
| Countries that End in I | 0 | - | 4.94 | 135,460 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,441 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,178 |
| Countries That End in NIA | 0 | - | 4.92 | 110,189 |
| Countries That End in BIA | 0 | - | 4.93 | 149,787 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 168,001 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,944 |
| Countries That End in RIA | 0 | - | 4.93 | 127,193 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,589 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 229,061 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,457 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,918 |
