| Countries with the Most Muslims | 0 | - | 4.95 | 161,393 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,830 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,964 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,367 |
| Buddhist Countries | 0 | - | 4.96 | 145,273 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,658 |
| Orthodox Countries | 0 | - | 4.92 | 132,980 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,721 |
| Sharia Law Countries | 0 | - | 4.48 | 64,050 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,981,903 |
| NATO Countries | 0 | - | 4.98 | 284,067 |
| EU Countries Quiz | 0 | - | 4.99 | 278,978 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,986 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 278,058 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 150,049 |
| Countries with NO Military | 0 | - | 4.97 | 63,624 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,204 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 161,786 |
| Landlocked Countries | 0 | - | 4.99 | 427,402 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,481 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,287 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,253 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,434 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 337,373 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 125,017 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,813,552 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,988 |
| Himalayan Countries | 0 | - | 4.93 | 140,893 |
| Andean Countries | 0 | - | 4.94 | 85,832 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,948 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,530 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,490 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,711 |
| Danube Countries | 0 | - | 4.97 | 72,573 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,825 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,990 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,474 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,947 |
| European Landlocked Countries | 0 | - | 4.99 | 147,789 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,561 |
| Countries with the Most Species | 0 | - | 4.99 | 103,656 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,663 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,820 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,962 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,934 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,689 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,146 |
| Countries in the Alps | 0 | - | 4.87 | 119,005 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,045 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,184 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,075 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,190 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,146 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,406 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,615 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,009 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,519 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,325 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,962 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,835 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,685 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,938 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,038 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,175 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,746 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,576 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,859 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,396 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,540 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,627 |
| Largest Countries By Category | 0 | - | 4.97 | 159,120 |
| Countries by Countries | 0 | - | 4.97 | 63,820 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,245 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,765 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,087 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,461 |
| Island Countries | 0 | - | 4.99 | 713,064 |
| Countries with the Most Cathedrals | 0 | - | 4.48 | 47,479 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,354 |
| Northernmost Countries | 0 | - | 4.99 | 364,675 |
| Countries of South America | 0 | - | 5.00 | 934,507 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,766 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,587 |
| "Land" Countries | 0 | - | 4.98 | 339,061 |
| Countries that Start with A | 0 | - | 4.98 | 2,178,773 |
| Countries that Start with B | 0 | - | 4.95 | 2,309,392 |
| Countries that Start with C | 0 | - | 4.96 | 1,833,709 |
| Countries that Start with D | 0 | - | 4.96 | 718,004 |
| Countries that Start with E | 0 | - | 4.95 | 1,386,925 |
| Countries that Start with G | 0 | - | 4.97 | 1,513,502 |
| Countries that Start with H | 0 | - | 4.96 | 610,699 |
| Countries that Start with I | 0 | - | 4.92 | 1,296,059 |
| Countries that Start with J | 0 | - | 4.98 | 608,065 |
| Countries that Start with K | 0 | - | 4.97 | 821,912 |
| Countries that Start with L | 0 | - | 4.98 | 1,098,273 |
| Countries that Start with N | 0 | - | 4.93 | 1,125,378 |
| Countries that Start with P | 0 | - | 4.94 | 1,223,503 |
| Countries that Start with S | 0 | - | 4.98 | 1,765,116 |
| Countries that Start with T | 0 | - | 4.90 | 1,016,053 |
| Countries that Start with U | 0 | - | 4.97 | 909,346 |
| Countries that Start with V | 0 | - | 4.98 | 612,641 |
| Countries that Start with F | 0 | - | 4.83 | 622,143 |
| Countries that Start with M | 0 | - | 4.97 | 1,389,818 |
| Richest Island Countries | 0 | - | 4.85 | 101,381 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,397,598 |
| Monarchies of Europe | 0 | - | 4.90 | 99,047 |
| Monarchies of Asia | 0 | - | 4.97 | 71,617 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 124,371 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,366 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,398 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,701 |
| Countries by Oil Consumption | 0 | - | 4.96 | 125,041 |
| Largest Economies in 2050 | 0 | - | 4.88 | 112,084 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 275,649 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 105,163 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,243 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,363 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 119,265 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,547 |
| Countries with Megacities | 0 | - | 4.99 | 267,961 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,202 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,358 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,527 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,466 |
| Countries by Official Language | 0 | - | 4.95 | 196,258 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,993 |
| Countries in their Native Language | 0 | - | 4.99 | 199,979 |
| Independence from Whom | 0 | - | 4.99 | 213,449 |
| Subdivisions by Country | 0 | - | 4.87 | 50,674 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,696 |
| Megadiverse Countries | 0 | - | 4.96 | 149,417 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,163 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,588 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,822 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,264 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,497 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,932 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,307 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,638 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,179 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,289 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,817 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,502 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,225 |
| Catholic Countries | 0 | - | 4.80 | 215,795 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,515 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,229 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 92,962 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,268 |
| Large Countries with Small Economies | 0 | - | 4.95 | 81,408 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,830 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,554 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,254 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,725 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,973 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,575 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,686 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,871 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,773 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,967 |
| Widest Countries East to West | 0 | - | 4.92 | 130,874 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,634 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,424 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,570 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,172 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,135 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,628 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,542 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,928 |
| Countries with Double Letters | 0 | - | 4.96 | 97,682 |
| Countries that End in N | 0 | - | 4.95 | 172,682 |
| Countries with Five Letters | 0 | - | 4.96 | 284,720 |
| Countries with Six Letters | 0 | - | 4.94 | 215,013 |
| Countries with W | 0 | - | 4.96 | 161,351 |
| Countries with Z | 0 | - | 4.98 | 293,078 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,725 |
| Countries That End in U | 0 | - | 4.95 | 121,414 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 135,475 |
| Countries that End in O | 0 | - | 4.92 | 160,389 |
| Countries that End in R | 0 | - | 4.87 | 119,295 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 156,071 |
| Countries Ending in "IA" | 0 | - | 4.99 | 210,192 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 186,754 |
| Countries by Last Two Letters | 0 | - | 4.85 | 136,243 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 143,882 |
| Countries That End in Y | 0 | - | 4.91 | 186,189 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 199,399 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,448 |
| Countries that End in I | 0 | - | 4.94 | 135,439 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 185,357 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 96,156 |
| Countries That End in NIA | 0 | - | 4.92 | 110,172 |
| Countries That End in BIA | 0 | - | 4.93 | 149,761 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,957 |
| Countries Whose Names Start with Saint | 0 | - | 4.88 | 119,923 |
| Countries That End in RIA | 0 | - | 4.93 | 127,169 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 111,562 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,994 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 134,420 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,884 |
