| Countries with NO Military | 0 | - | 4.97 | 62,924 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,974 |
| NATO Countries | 0 | - | 4.98 | 282,521 |
| EU Countries Quiz | 0 | - | 4.99 | 276,736 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,805 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,389 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,937 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,737,122 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,640 |
| Landlocked Countries | 0 | - | 4.99 | 423,872 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,792,487 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,373 |
| Himalayan Countries | 0 | - | 4.94 | 139,548 |
| Andean Countries | 0 | - | 4.94 | 85,071 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,254 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,472 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,815 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,127 |
| Danube Countries | 0 | - | 4.97 | 72,215 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,313 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,630 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,718 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,226 |
| European Landlocked Countries | 0 | - | 4.99 | 147,388 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,989 |
| Countries with the Most Species | 0 | - | 4.99 | 103,426 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,117 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,683 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,795 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,704 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,442 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,854 |
| Countries in the Alps | 0 | - | 4.87 | 118,499 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,092 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,464 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,814 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,816 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,750 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,098 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,926 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,675 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,302 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,276 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,021 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,764 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,632 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,393 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,640 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,726 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,387 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,476 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,266 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,367 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,940 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,673 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,384 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,887 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,039 |
| Largest Countries By Category | 0 | - | 4.97 | 158,553 |
| Countries by Countries | 0 | - | 4.96 | 63,445 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,755 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,818 |
| Buddhist Countries | 0 | - | 4.96 | 144,843 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,909 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,446 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,359 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,298 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,123 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,599 |
| Island Countries | 0 | - | 4.99 | 711,795 |
| Countries in World War I | 0 | - | 4.88 | 228,786 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 229,757 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,052,518 |
| Northernmost Countries | 0 | - | 4.99 | 363,103 |
| Countries of South America | 0 | - | 5.00 | 930,021 |
| Countries of Oceania | 0 | - | 5.00 | 1,060,356 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,883,564 |
| "Land" Countries | 0 | - | 4.98 | 337,896 |
| Countries with U.S. Troops | 0 | - | 4.38 | 132,307 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,124 |
| Orthodox Countries | 0 | - | 4.92 | 132,549 |
| Richest Island Countries | 0 | - | 4.85 | 101,003 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,388,651 |
| Monarchies of Europe | 0 | - | 4.90 | 98,601 |
| Monarchies of Asia | 0 | - | 4.97 | 71,369 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,405 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,547 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,164 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,939 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,884 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,239 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,646 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,763 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 273,814 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,753 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,891 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,398 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,492 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,395 |
| Countries that Start with D | 0 | - | 4.96 | 714,207 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,473 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,777 |
| Countries that Start with H | 0 | - | 4.96 | 607,986 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,539 |
| Countries that Start with J | 0 | - | 4.98 | 605,476 |
| Countries that Start with K | 0 | - | 4.97 | 819,149 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,787 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,836 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,124 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,468 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,361 |
| Countries that Start with U | 0 | - | 4.97 | 907,271 |
| Countries that Start with V | 0 | - | 4.98 | 611,117 |
| Countries that Start with F | 0 | - | 4.83 | 620,087 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,132 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,286 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,818 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 118,856 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,457 |
| Countries with Megacities | 0 | - | 4.99 | 265,900 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,249 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,756 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,506 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,854 |
| Countries by Official Language | 0 | - | 4.95 | 195,654 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,130 |
| Countries in their Native Language | 0 | - | 4.99 | 199,428 |
| Independence from Whom | 0 | - | 4.99 | 212,579 |
| Subdivisions by Country | 0 | - | 4.87 | 50,538 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,081 |
| Megadiverse Countries | 0 | - | 4.96 | 135,158 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,451 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,464 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 126,347 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,165 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,379 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,702 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,755 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,471 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,749 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,208 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,101 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 108,273 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,332 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,062 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,479 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,533 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,694 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,692 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,345 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,981 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,206 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,327 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,539 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,589 |
| Tallest Countries North to South | 0 | - | 4.86 | 129,191 |
| Widest Countries East to West | 0 | - | 4.92 | 130,209 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,532 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,033 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,440 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,934 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,813 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,117 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,448 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,854 |
| Countries with Double Letters | 0 | - | 4.96 | 96,695 |
| Countries that End in N | 0 | - | 4.95 | 171,575 |
| Countries with Five Letters | 0 | - | 4.96 | 283,230 |
| Countries with Six Letters | 0 | - | 4.94 | 214,036 |
| Countries with W | 0 | - | 4.96 | 160,648 |
| Countries with Z | 0 | - | 4.98 | 291,982 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,017 |
| Countries That End in U | 0 | - | 4.95 | 121,031 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 134,804 |
| Countries that End in O | 0 | - | 4.92 | 159,677 |
| Countries that End in R | 0 | - | 4.87 | 119,078 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,835 |
| Countries Ending in "IA" | 0 | - | 4.99 | 209,477 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,941 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,655 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 142,584 |
| Countries That End in Y | 0 | - | 4.91 | 186,001 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 198,198 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 153,083 |
| Countries that End in I | 0 | - | 4.94 | 135,220 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 184,386 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,940 |
| Countries That End in NIA | 0 | - | 4.92 | 109,928 |
| Countries That End in BIA | 0 | - | 4.93 | 149,408 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 167,341 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,632 |
| Countries That End in RIA | 0 | - | 4.93 | 126,947 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 111,223 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 228,124 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,963 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 126,404 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,943 |
| Add A Letter - Make a Country | 0 | - | 4.81 | 74,695 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 53,196 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,495 |
