| Countries of the World Quiz | 0 | - | 5.00 | 47,477,920 |
| Landlocked Countries | 0 | - | 4.99 | 420,765 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,037 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,512 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,882 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,715 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,974 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,885 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,106 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,593 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,389 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,481 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,149 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,308 |
| Countries by Emojis | 0 | - | 4.99 | 239,806 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,966 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,630 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,596 |
| Pixelated World Map | 0 | - | 5.00 | 143,425 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,533 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,583 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,686 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,470 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,130 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,138 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,477 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,809 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,013 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,112 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,941 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,785 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,515 |
| World Coats of Arms | 0 | - | 4.99 | 64,568 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 907,250 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,836 |
| Every Country Shape | 0 | - | 5.00 | 465,714 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,114 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,486 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,965 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,487 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,843 |
| Himalayan Countries | 0 | - | 4.95 | 138,180 |
| Andean Countries | 0 | - | 4.95 | 84,309 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,534 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,415 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,164 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,596 |
| Danube Countries | 0 | - | 4.97 | 71,856 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,829 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,262 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,022 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,477 |
| European Landlocked Countries | 0 | - | 4.99 | 146,997 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,405 |
| Countries with the Most Species | 0 | - | 4.99 | 103,114 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,565 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,519 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,669 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,457 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,130 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,522 |
| Countries in the Alps | 0 | - | 4.87 | 117,991 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,840 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,770 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,557 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,469 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,339 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,843 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,492 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,363 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,091 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,717 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,573 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,428 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,086 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,364 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,386 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,593 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,187 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,709 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,842 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,303 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,731 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,126 |
| Largest Countries By Category | 0 | - | 4.97 | 157,969 |
| Countries by Countries | 0 | - | 4.97 | 63,044 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,490 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,227 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,533 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,480 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,114 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,396 |
| Island Countries | 0 | - | 4.99 | 710,521 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,048,188 |
| Northernmost Countries | 0 | - | 4.99 | 361,352 |
| Countries of South America | 0 | - | 5.00 | 925,371 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,402 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,602 |
| "Land" Countries | 0 | - | 4.98 | 336,782 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,313 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,260 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,290 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,330 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,141 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,770 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,487 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,380,345 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,726 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,223 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,908 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,994 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,592 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,209 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,910 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,498 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,542 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,183 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,346 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,686 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,207 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,898 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,109 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,975 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,542 |
| Countries with Megacities | 0 | - | 4.99 | 263,601 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,378 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,290 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,658 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,330 |
| Countries by Official Language | 0 | - | 4.95 | 194,986 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,012 |
| Countries in their Native Language | 0 | - | 4.99 | 198,493 |
| Independence from Whom | 0 | - | 4.99 | 211,767 |
| Subdivisions by Country | 0 | - | 4.86 | 50,373 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,023 |
| Megadiverse Countries | 0 | - | 4.96 | 134,903 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,829 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,275 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,856 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,065 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,945 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,496 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,251 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,952 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,574 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,046 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,385 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,801 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,112 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,886 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,258 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,425 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,765 |
| World Map Quiz | 0 | - | 4.81 | 64,902 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,742 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,479 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,192 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,433 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,466 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,585 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,215 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,112 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,789 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 31,174 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,830 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,120 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,849 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,839 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,754 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,887 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,189 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,366 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,460 |
| Widest Countries East to West | 0 | - | 4.92 | 129,528 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,419 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,207 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,073 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,652 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,436 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,721 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,321 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,770 |
| Countries with Double Letters | 0 | - | 4.97 | 95,716 |
| Countries that End in N | 0 | - | 4.95 | 170,688 |
| Countries with Five Letters | 0 | - | 4.96 | 281,734 |
| Countries with Six Letters | 0 | - | 4.94 | 213,092 |
| Countries with W | 0 | - | 4.97 | 159,988 |
| Countries with Z | 0 | - | 4.98 | 290,942 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,325 |
| Countries That End in U | 0 | - | 4.95 | 120,644 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,145 |
| Countries that End in O | 0 | - | 4.92 | 159,370 |
| Countries that End in R | 0 | - | 4.87 | 118,855 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,627 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,742 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,414 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,283 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,893 |
| Countries That End in Y | 0 | - | 4.91 | 185,775 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,602 |
