| Majority Muslim Countries | 0 | - | 4.98 | 371,062 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,013 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,282 |
| Buddhist Countries | 0 | - | 4.96 | 143,238 |
| Countries with the Most Catholics | 0 | - | 4.90 | 108,427 |
| Orthodox Countries | 0 | - | 4.91 | 130,712 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,635 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,926 |
| NATO Countries | 0 | - | 4.98 | 277,427 |
| EU Countries Quiz | 0 | - | 4.99 | 271,047 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 285,881 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 269,667 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,189 |
| Countries with NO Military | 0 | - | 4.97 | 61,424 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,072 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,077,274 |
| Landlocked Countries | 0 | - | 4.99 | 415,595 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,732,676 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,404 |
| Himalayan Countries | 0 | - | 4.95 | 136,052 |
| Andean Countries | 0 | - | 4.94 | 83,215 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,530 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,694 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,220 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,867 |
| Danube Countries | 0 | - | 4.97 | 71,283 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,031 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,731 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,912 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,857 |
| European Landlocked Countries | 0 | - | 4.99 | 145,993 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,566 |
| Countries with the Most Species | 0 | - | 4.99 | 95,358 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,695 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,278 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,446 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,078 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,731 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,098 |
| Countries in the Alps | 0 | - | 4.86 | 117,155 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,779 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,640 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,171 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,609 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,410 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,160 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,829 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,910 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,713 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,229 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,281 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,154 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,635 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,900 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,912 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,516 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,810 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,361 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,062 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,396 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,267 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,746 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,582 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,952 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,330 |
| Largest Countries By Category | 0 | - | 4.97 | 157,070 |
| Countries by Countries | 0 | - | 4.96 | 62,464 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,015 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,975 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,605 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,520 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,026 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,891 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,909 |
| Island Countries | 0 | - | 4.99 | 708,422 |
| Sharia Law Countries | 0 | - | 4.48 | 63,439 |
| Countries with the Most Cathedrals | 0 | - | 4.51 | 39,943 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,014 |
| Northernmost Countries | 0 | - | 4.99 | 358,828 |
| Countries of South America | 0 | - | 5.00 | 918,202 |
| Countries of Oceania | 0 | - | 5.00 | 1,044,704 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,855,158 |
| "Land" Countries | 0 | - | 4.98 | 334,156 |
| Richest Island Countries | 0 | - | 4.84 | 99,830 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,367,766 |
| Monarchies of Europe | 0 | - | 4.90 | 97,568 |
| Monarchies of Asia | 0 | - | 4.97 | 70,751 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,267 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,863 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,558 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,552 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,852 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,733 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,874 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 267,084 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 103,528 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,956 |
| Countries that Start with A | 0 | - | 4.98 | 2,151,478 |
| Countries that Start with B | 0 | - | 4.95 | 2,283,988 |
| Countries that Start with C | 0 | - | 4.96 | 1,813,620 |
| Countries that Start with D | 0 | - | 4.96 | 703,826 |
| Countries that Start with E | 0 | - | 4.95 | 1,370,210 |
| Countries that Start with G | 0 | - | 4.97 | 1,495,727 |
| Countries that Start with H | 0 | - | 4.96 | 599,824 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,516 |
| Countries that Start with J | 0 | - | 4.98 | 597,868 |
| Countries that Start with K | 0 | - | 4.97 | 811,109 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,038 |
| Countries that Start with N | 0 | - | 4.93 | 1,111,954 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,622 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,450 |
| Countries that Start with T | 0 | - | 4.90 | 1,005,805 |
| Countries that Start with U | 0 | - | 4.97 | 901,215 |
| Countries that Start with V | 0 | - | 4.98 | 606,240 |
| Countries that Start with F | 0 | - | 4.83 | 613,750 |
| Countries that Start with M | 0 | - | 4.97 | 1,375,694 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 194,307 |
| Most Visited Countries by JetPunkers | 0 | - | 4.85 | 117,755 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,971 |
| Countries with Megacities | 0 | - | 4.99 | 248,351 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,870 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,394 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,259 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,325 |
| Countries by Official Language | 0 | - | 4.95 | 193,236 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,796 |
| Countries in their Native Language | 0 | - | 4.99 | 197,068 |
| Independence from Whom | 0 | - | 4.99 | 210,209 |
| Subdivisions by Country | 0 | - | 4.86 | 50,155 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,103 |
| Megadiverse Countries | 0 | - | 4.96 | 134,476 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,231 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,029 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,556 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,917 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,907 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,143 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,380 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,469 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,311 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,789 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 75,987 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,531 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,638 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,598 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,812 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,618 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,830 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,551 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,271 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,414 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,142 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,338 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,528 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,092 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,554 |
| Widest Countries East to West | 0 | - | 4.92 | 129,048 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,294 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,522 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,662 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,880 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,865 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,254 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,825 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,649 |
| Countries with Double Letters | 0 | - | 4.96 | 93,736 |
| Countries that End in N | 0 | - | 4.94 | 157,172 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,098 |
| Countries with Six Letters | 0 | - | 4.93 | 210,758 |
| Countries with W | 0 | - | 4.97 | 158,450 |
| Countries with Z | 0 | - | 4.98 | 288,304 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,802 |
| Countries That End in U | 0 | - | 4.95 | 119,626 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,923 |
| Countries that End in O | 0 | - | 4.92 | 158,675 |
| Countries that End in R | 0 | - | 4.87 | 118,389 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,945 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,462 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,588 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,686 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,236 |
| Countries That End in Y | 0 | - | 4.90 | 185,302 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,655 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,942 |
| Countries that End in I | 0 | - | 4.94 | 134,563 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,528 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,328 |
| Countries That End in NIA | 0 | - | 4.92 | 109,148 |
| Countries That End in BIA | 0 | - | 4.92 | 147,877 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,291 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,662 |
| Countries That End in RIA | 0 | - | 4.93 | 126,214 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,203 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,806 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,715 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,063 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,625 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,048 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,308 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,825 |
