| Countries of the World Quiz | 0 | - | 5.00 | 47,333,706 |
| Landlocked Countries | 0 | - | 4.99 | 418,928 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,979 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,449 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,337 |
| Every Country Shape | 0 | - | 5.00 | 463,862 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,307 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,375 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,737 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,327 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,588 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,088 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,063 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,025 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,709 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,800 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,339 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,314 |
| Pixelated World Map | 0 | - | 5.00 | 143,164 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,207 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,335 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,451 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,201 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,909 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,367 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,624 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,014 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,289 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,589 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,803 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,904 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,691 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,669 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,444 |
| World Coats of Arms | 0 | - | 4.99 | 64,351 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,756,860 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,361 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,870 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,794 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,309 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,051 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,997 |
| Himalayan Countries | 0 | - | 4.94 | 137,421 |
| Andean Countries | 0 | - | 4.95 | 83,938 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,229 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,652 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,832 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,350 |
| Danube Countries | 0 | - | 4.97 | 71,663 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,550 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,057 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,652 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,734 |
| European Landlocked Countries | 0 | - | 4.99 | 146,778 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,140 |
| Countries with the Most Species | 0 | - | 4.99 | 102,907 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,265 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,432 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,587 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,303 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,994 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,363 |
| Countries in the Alps | 0 | - | 4.87 | 117,685 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,133 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,365 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,422 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,981 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,093 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,569 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,863 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,960 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,285 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,185 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,969 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,550 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,478 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,337 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,925 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,188 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,205 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,186 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,062 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,571 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,530 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,371 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,228 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,998 |
| Largest Countries By Category | 0 | - | 4.97 | 157,635 |
| Countries by Countries | 0 | - | 4.96 | 62,838 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,672 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,210 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,160 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,468 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,323 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,606 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,256 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,898 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,244 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,277 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,319 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,979 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,153 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,515 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,053 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,734 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,087 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,891 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,988 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,609 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,095 |
| Island Countries | 0 | - | 4.99 | 709,753 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,375,678 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,566 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,040 |
| Northernmost Countries | 0 | - | 4.99 | 360,465 |
| Countries of South America | 0 | - | 5.00 | 922,899 |
| Countries of Oceania | 0 | - | 5.00 | 1,050,985 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,866,334 |
| "Land" Countries | 0 | - | 4.98 | 335,792 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,264 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,959 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,211 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,229 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,381 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,951 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 30,451 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,300,189 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,585 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,031 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,258 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,735 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,018 |
| Countries with Megacities | 0 | - | 4.99 | 259,891 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,892 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,990 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,169 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,998 |
| Countries by Official Language | 0 | - | 4.95 | 194,641 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,529 |
| Countries in their Native Language | 0 | - | 4.99 | 198,184 |
| Independence from Whom | 0 | - | 4.99 | 211,310 |
| Subdivisions by Country | 0 | - | 4.86 | 50,287 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,705 |
| Megadiverse Countries | 0 | - | 4.96 | 134,766 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,542 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,184 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,755 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,018 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,712 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,381 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,977 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,844 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,487 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,988 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,965 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,716 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,994 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,774 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,151 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,610 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,326 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,191 |
| World Map Quiz | 0 | - | 4.81 | 64,518 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 155,598 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,031 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,503 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,928 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,638 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,320 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,519 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,671 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,827 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,260 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,285 |
| Widest Countries East to West | 0 | - | 4.92 | 129,376 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,382 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,958 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,993 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,510 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,221 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,548 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,232 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,726 |
| Countries with Double Letters | 0 | - | 4.97 | 95,089 |
| Countries that End in N | 0 | - | 4.95 | 169,992 |
| Countries with Five Letters | 0 | - | 4.96 | 280,218 |
| Countries with Six Letters | 0 | - | 4.94 | 212,484 |
| Countries with W | 0 | - | 4.97 | 159,522 |
| Countries with Z | 0 | - | 4.98 | 289,802 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,745 |
| Countries That End in U | 0 | - | 4.95 | 120,412 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,754 |
| Countries that End in O | 0 | - | 4.92 | 159,193 |
| Countries that End in R | 0 | - | 4.87 | 118,734 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,511 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,329 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,106 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,081 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,662 |
| Countries That End in Y | 0 | - | 4.90 | 185,647 |
