| Countries with the Most Muslims | 0 | - | 4.95 | 160,122 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,694 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,761 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,851 |
| Buddhist Countries | 0 | - | 4.96 | 143,702 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,052 |
| Orthodox Countries | 0 | - | 4.92 | 131,277 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,436 |
| Sharia Law Countries | 0 | - | 4.48 | 63,589 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,318,228 |
| NATO Countries | 0 | - | 4.98 | 279,201 |
| EU Countries Quiz | 0 | - | 4.99 | 272,830 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,386 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 271,817 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,957 |
| Countries with NO Military | 0 | - | 4.97 | 61,936 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,384 |
| Top 10 Most Islamic European Countries | 0 | - | 4.75 | 160,717 |
| Landlocked Countries | 0 | - | 4.99 | 418,675 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,108 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,340 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,643 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,706 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,594 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,160 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,755,326 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,873 |
| Himalayan Countries | 0 | - | 4.94 | 137,310 |
| Andean Countries | 0 | - | 4.95 | 83,874 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,156 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,558 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,792 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,315 |
| Danube Countries | 0 | - | 4.97 | 71,624 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,510 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,029 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,593 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,672 |
| European Landlocked Countries | 0 | - | 4.99 | 146,741 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,096 |
| Countries with the Most Species | 0 | - | 4.99 | 102,883 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,227 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,425 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,579 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,286 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,962 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,343 |
| Countries in the Alps | 0 | - | 4.87 | 117,641 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,105 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,320 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,390 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,958 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,059 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,428 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,249 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,161 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,948 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,529 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,462 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,324 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,902 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,174 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,187 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,133 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,045 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,557 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,487 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,261 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,163 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,980 |
| Largest Countries By Category | 0 | - | 4.97 | 157,593 |
| Countries by Countries | 0 | - | 4.96 | 62,816 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,300 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,765 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,536 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,971 |
| Island Countries | 0 | - | 4.99 | 709,644 |
| Countries with the Most Cathedrals | 0 | - | 4.49 | 45,370 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,045,801 |
| Northernmost Countries | 0 | - | 4.99 | 360,369 |
| Countries of South America | 0 | - | 5.00 | 922,590 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,609 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,865,627 |
| "Land" Countries | 0 | - | 4.98 | 335,742 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,598 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,607 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,937 |
| Countries that Start with D | 0 | - | 4.96 | 707,450 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,643 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,306 |
| Countries that Start with H | 0 | - | 4.96 | 602,929 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,998 |
| Countries that Start with J | 0 | - | 4.98 | 600,777 |
| Countries that Start with K | 0 | - | 4.97 | 813,862 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,720 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,669 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,174 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,208 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,367 |
| Countries that Start with U | 0 | - | 4.97 | 903,264 |
| Countries that Start with V | 0 | - | 4.98 | 608,326 |
| Countries that Start with F | 0 | - | 4.83 | 616,192 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,444 |
| Richest Island Countries | 0 | - | 4.84 | 100,290 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,189 |
| Monarchies of Europe | 0 | - | 4.90 | 97,944 |
| Monarchies of Asia | 0 | - | 4.97 | 70,973 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,506 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,772 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,080 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,391 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,270 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,255 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,237 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,018 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,345 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,876 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,152 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,946 |
| Countries with Megacities | 0 | - | 4.99 | 258,060 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,819 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,943 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,102 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,954 |
| Countries by Official Language | 0 | - | 4.95 | 194,597 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,469 |
| Countries in their Native Language | 0 | - | 4.99 | 198,140 |
| Independence from Whom | 0 | - | 4.99 | 211,252 |
| Subdivisions by Country | 0 | - | 4.86 | 50,275 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,656 |
| Megadiverse Countries | 0 | - | 4.96 | 134,750 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,516 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,173 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,736 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,007 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,679 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,361 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,941 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,828 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,470 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,978 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,901 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,700 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,430 |
| Catholic Countries | 0 | - | 4.78 | 214,602 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,975 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,758 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,903 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,728 |
| Large Countries with Small Economies | 0 | - | 4.95 | 80,758 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,010 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,458 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,902 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,615 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,276 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,495 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,653 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,806 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,248 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,263 |
| Widest Countries East to West | 0 | - | 4.92 | 129,344 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,376 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,932 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,984 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,499 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,190 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,524 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,222 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,724 |
| Countries with Double Letters | 0 | - | 4.97 | 95,048 |
| Countries that End in N | 0 | - | 4.95 | 169,911 |
| Countries with Five Letters | 0 | - | 4.96 | 279,905 |
| Countries with Six Letters | 0 | - | 4.94 | 212,431 |
| Countries with W | 0 | - | 4.97 | 159,496 |
| Countries with Z | 0 | - | 4.98 | 289,754 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,698 |
| Countries That End in U | 0 | - | 4.95 | 120,396 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,721 |
| Countries that End in O | 0 | - | 4.92 | 159,181 |
| Countries that End in R | 0 | - | 4.87 | 118,726 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,501 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,278 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,078 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,065 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,651 |
| Countries That End in Y | 0 | - | 4.90 | 185,639 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,194 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,395 |
| Countries that End in I | 0 | - | 4.94 | 134,852 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,044 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,565 |
| Countries That End in NIA | 0 | - | 4.92 | 109,499 |
| Countries That End in BIA | 0 | - | 4.93 | 148,824 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,685 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,026 |
| Countries That End in RIA | 0 | - | 4.93 | 126,518 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,603 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,628 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,190 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,534 |
