| Countries of the World Quiz | 0 | - | 5.00 | 46,849,651 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,239 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,794 |
| Landlocked Countries | 0 | - | 4.99 | 412,860 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,709,574 |
| Countries that Start with A | 0 | - | 4.98 | 2,144,548 |
| Countries that Start with B | 0 | - | 4.95 | 2,277,935 |
| Countries that Start with C | 0 | - | 4.96 | 1,808,693 |
| Countries that Start with D | 0 | - | 4.96 | 700,466 |
| Countries that Start with E | 0 | - | 4.95 | 1,366,231 |
| Countries that Start with G | 0 | - | 4.97 | 1,491,399 |
| Countries that Start with H | 0 | - | 4.96 | 597,026 |
| Countries that Start with I | 0 | - | 4.92 | 1,279,155 |
| Countries that Start with J | 0 | - | 4.98 | 595,092 |
| Countries that Start with K | 0 | - | 4.96 | 808,585 |
| Countries that Start with L | 0 | - | 4.98 | 1,081,887 |
| Countries that Start with N | 0 | - | 4.93 | 1,108,738 |
| Countries that Start with P | 0 | - | 4.94 | 1,207,582 |
| Countries that Start with S | 0 | - | 4.98 | 1,743,143 |
| Countries that Start with T | 0 | - | 4.90 | 1,003,406 |
| Countries that Start with U | 0 | - | 4.97 | 899,042 |
| Countries that Start with V | 0 | - | 4.98 | 604,502 |
| Countries that Start with F | 0 | - | 4.83 | 611,442 |
| Countries that Start with M | 0 | - | 4.97 | 1,372,201 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,871 |
| Orthodox Countries | 0 | - | 4.91 | 130,247 |
| Monarchies of Europe | 0 | - | 4.90 | 97,202 |
| Monarchies of Asia | 0 | - | 4.97 | 70,533 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,376 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,464 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 322,994 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,820 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 400,987 |
| Island Countries | 0 | - | 4.99 | 707,226 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,225 |
| Himalayan Countries | 0 | - | 4.95 | 135,045 |
| Andean Countries | 0 | - | 4.94 | 82,658 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,079 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,979 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,752 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,459 |
| Danube Countries | 0 | - | 4.97 | 70,991 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,634 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,452 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,286 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,193 |
| European Landlocked Countries | 0 | - | 4.99 | 145,664 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,046 |
| Countries with the Most Species | 0 | - | 4.99 | 95,184 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,188 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,174 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,333 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,907 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,510 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,864 |
| Countries in the Alps | 0 | - | 4.87 | 116,680 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,466 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,077 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,938 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,319 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,063 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,934 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,469 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,683 |
| Largest Country by Body of Water | 0 | - | 4.95 | 55,425 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,965 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,164 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,995 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,361 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,670 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,671 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,857 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,565 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,199 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,661 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,819 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,358 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,537 |
| Largest Countries By Category | 0 | - | 4.97 | 156,606 |
| Countries by Countries | 0 | - | 4.96 | 62,163 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,077 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,286 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,150 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 90,999 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,359,985 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,649 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,303 |
| Northernmost Countries | 0 | - | 4.99 | 357,232 |
| Countries of South America | 0 | - | 5.00 | 913,346 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,573 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,065 |
| "Land" Countries | 0 | - | 4.98 | 333,408 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,160 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,018 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,445 |
| One Country By Letter By Continent | 0 | - | 5.00 | 121,344 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,040 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,125 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,035 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,041 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,442 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,025 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,855 |
| Countries with Megacities | 0 | - | 4.99 | 246,166 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,775 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,729 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,238 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,665 |
| Countries by Official Language | 0 | - | 4.95 | 192,581 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,856 |
| Countries in their Native Language | 0 | - | 4.99 | 196,461 |
| Independence from Whom | 0 | - | 4.99 | 209,453 |
| Subdivisions by Country | 0 | - | 4.86 | 50,034 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,580 |
| Countries in World War I | 0 | - | 4.88 | 226,081 |
| Megadiverse Countries | 0 | - | 4.97 | 133,829 |
| Axis Occupied Countries of WWII | 0 | - | 4.99 | 227,224 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,645 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,876 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,372 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,836 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,535 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,937 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,586 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,059 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,175 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,711 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,368 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,360 |
| Hindu Countries | 0 | - | 4.85 | 49,441 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,424 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,441 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,600 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,978 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,216 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,149 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,875 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,848 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,500 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,762 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,958 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,168 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,876 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,251 |
| Widest Countries East to West | 0 | - | 4.92 | 128,518 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,191 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,073 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,519 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,621 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,515 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,945 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,031 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,552 |
| Countries with Double Letters | 0 | - | 4.97 | 93,212 |
| Countries that End in N | 0 | - | 4.94 | 156,281 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,477 |
| Countries with Six Letters | 0 | - | 4.93 | 210,178 |
| Countries with W | 0 | - | 4.97 | 158,089 |
| Countries with Z | 0 | - | 4.98 | 287,342 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,425 |
| Countries That End in U | 0 | - | 4.95 | 119,441 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,325 |
| Countries that End in O | 0 | - | 4.92 | 158,473 |
| Countries that End in R | 0 | - | 4.86 | 118,201 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,807 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,854 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,180 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,377 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 140,565 |
| Countries That End in Y | 0 | - | 4.90 | 185,148 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,172 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,542 |
| Countries that End in I | 0 | - | 4.94 | 134,298 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,009 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,137 |
| Countries That End in NIA | 0 | - | 4.92 | 108,928 |
| Countries That End in BIA | 0 | - | 4.92 | 147,608 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 165,965 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,401 |
| Countries That End in RIA | 0 | - | 4.93 | 126,008 |
| Most Common Words in Official Country Names | 0 | - | 4.85 | 109,915 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 224,958 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,425 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 124,801 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,234 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 73,869 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,022 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,546 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,767 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 52,683 |
| Countries that End in L | 0 | - | 4.94 | 155,638 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 210,644 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 84,965 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,451 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,221 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,366 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 246,178 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 198,932 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 125,828 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,048 |
