| Countries of the World Quiz | 0 | - | 5.00 | 47,383,625 |
| Landlocked Countries | 0 | - | 4.99 | 419,589 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,176 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,732 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,492 |
| Every Country Shape | 0 | - | 5.00 | 464,496 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,430 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,417 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,766 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,471 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,720 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,221 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,119 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,143 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,841 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,949 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,415 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,388 |
| Pixelated World Map | 0 | - | 5.00 | 143,273 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,317 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,419 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,520 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,292 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,991 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,426 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,668 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,052 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,336 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,649 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,870 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,968 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,777 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,712 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,467 |
| World Coats of Arms | 0 | - | 4.99 | 64,421 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,761,107 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,395 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,901 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,373 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,135 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,267 |
| Himalayan Countries | 0 | - | 4.95 | 137,710 |
| Andean Countries | 0 | - | 4.95 | 84,074 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,315 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,832 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,941 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,431 |
| Danube Countries | 0 | - | 4.97 | 71,728 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,651 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,124 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,768 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,844 |
| European Landlocked Countries | 0 | - | 4.99 | 146,848 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,219 |
| Countries with the Most Species | 0 | - | 4.99 | 102,990 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,380 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,452 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,613 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,358 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,032 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,427 |
| Countries in the Alps | 0 | - | 4.87 | 117,797 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,206 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,509 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,459 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,171 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,177 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,764 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,999 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,063 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,361 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,252 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,012 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,613 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,519 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,367 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,980 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,246 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,267 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,319 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,102 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,614 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,638 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,670 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,400 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,034 |
| Largest Countries By Category | 0 | - | 4.97 | 157,768 |
| Countries by Countries | 0 | - | 4.96 | 62,914 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,749 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,313 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,176 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,394 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,736 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,367 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,015 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,472 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,354 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,410 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,064 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,221 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,570 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,103 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,803 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,922 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,557 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,772 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,550 |
| Island Countries | 0 | - | 4.99 | 710,042 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,222 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,297 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,785 |
| Northernmost Countries | 0 | - | 4.99 | 360,793 |
| Countries of South America | 0 | - | 5.00 | 923,865 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,407 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,868,690 |
| "Land" Countries | 0 | - | 4.98 | 335,952 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,343 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,046 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,290 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,323 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,459 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,014 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 30,690 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,309,517 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,646 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,083 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,283 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,965 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,213 |
| Countries with Megacities | 0 | - | 4.99 | 262,139 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,062 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,097 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,360 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,133 |
| Countries by Official Language | 0 | - | 4.95 | 194,769 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,703 |
| Countries in their Native Language | 0 | - | 4.99 | 198,314 |
| Independence from Whom | 0 | - | 4.99 | 211,484 |
| Subdivisions by Country | 0 | - | 4.86 | 50,316 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,833 |
| Megadiverse Countries | 0 | - | 4.96 | 134,814 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,640 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,213 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,789 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,033 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,787 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,419 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,065 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,881 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,522 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,010 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,139 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,751 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,026 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,822 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,189 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,366 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,378 |
| World Map Quiz | 0 | - | 4.81 | 64,702 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,896 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,102 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,639 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,008 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,732 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,533 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,601 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,746 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,888 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,307 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,343 |
| Widest Countries East to West | 0 | - | 4.92 | 129,434 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,402 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,037 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,019 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,570 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,304 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,620 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,269 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,738 |
| Countries with Double Letters | 0 | - | 4.97 | 95,199 |
| Countries that End in N | 0 | - | 4.95 | 170,206 |
| Countries with Five Letters | 0 | - | 4.96 | 280,869 |
| Countries with Six Letters | 0 | - | 4.94 | 212,640 |
| Countries with W | 0 | - | 4.97 | 159,596 |
| Countries with Z | 0 | - | 4.98 | 290,120 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,835 |
| Countries That End in U | 0 | - | 4.95 | 120,449 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,856 |
| Countries that End in O | 0 | - | 4.92 | 159,238 |
| Countries that End in R | 0 | - | 4.87 | 118,760 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,538 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,453 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,198 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,138 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,739 |
| Countries That End in Y | 0 | - | 4.91 | 185,672 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,366 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,503 |
| Countries that End in I | 0 | - | 4.94 | 134,905 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,346 |
