| Countries by Satellite Image #1 | 0 | - | 4.87 | 129,134 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 75,643 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,334 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 112,746 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 88,593 |
| Flags with the Most Stars | 0 | - | 4.91 | 105,499 |
| Flags that are Red & White Only | 0 | - | 4.97 | 130,712 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 125,231 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 34,957 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 35,258 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 43,089 |
| Country Flags with the Most Red | 0 | - | 4.97 | 91,134 |
| Country Flags with the Most Blue | 0 | - | 4.91 | 79,254 |
| Country Flags with the Most Green | 0 | - | 4.96 | 79,726 |
| Country Flags with the Most Orange | 0 | - | 4.97 | 81,148 |
| Country Flags with the Most Yellow | 0 | - | 4.93 | 77,745 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.94 | 43,777 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 81,630 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 62,615 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 48,232 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,136 |
| World Coats of Arms | 0 | - | 4.99 | 55,291 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 81,941 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 33,393 |
| Countries by Partial Flag Images #6 | 0 | - | 4.93 | 26,980 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 26,603 |
| Random Flag to Country | 0 | - | 4.99 | 503,867 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,804,254 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 93,838 |
| Countries by Bordering Flags #2 | 0 | - | 4.87 | 75,212 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 321,996 |
| Merged Countries #2 | 0 | - | 4.96 | 89,432 |
| Merged Countries #4 | 0 | - | 4.87 | 84,098 |
| Merged Countries #6 | 0 | - | 4.89 | 64,989 |
| Merged Countries #7 | 0 | - | 4.93 | 74,135 |
| Pixelated World Map | 0 | - | 5.00 | 127,891 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,057,090 |
| Country Shape Quiz #1 | 0 | - | 4.92 | 835,370 |
| Country Shape Quiz #2 | 0 | - | 4.96 | 376,354 |
| Every Country Shape | 0 | - | 5.00 | 380,769 |
| Former Flags | 0 | - | 4.98 | 81,266 |
| Members of the Arab League | 0 | - | 4.85 | 61,103 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,353 |
| Himalayan Countries | 0 | - | 4.94 | 104,233 |
| Andean Countries | 0 | - | 4.91 | 57,736 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 58,683 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,079 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,447 |
| Coffee Producing Countries | 0 | - | 4.81 | 53,888 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,143 |
| Danube Countries | 0 | - | 4.97 | 56,552 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,583 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,767 |
| Countries with the Best Passports | 0 | - | 4.87 | 70,936 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,168 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,928 |
| European Landlocked Countries | 0 | - | 4.99 | 115,024 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,168 |
| Countries with the Most Species | 0 | - | 4.99 | 89,185 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,212 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,614 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,950 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,126 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,325 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,626 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,017 |
| Countries in the Alps | 0 | - | 4.83 | 102,412 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,126 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 86,717 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,442 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,104 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,785 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,396 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,456 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,039 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,235 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,521 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,259 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,497 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,594 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,325 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,821 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,319 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,595 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,237 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,268 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 195,333 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,460 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,185 |
| Largest Countries By Category | 0 | - | 4.96 | 144,587 |
| Countries by Countries | 0 | - | 4.95 | 54,485 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,036 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,600 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,941 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 340,189 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 354,454 |
| Island Countries Quiz | 0 | - | 4.99 | 659,245 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,021 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,049 |
| Countries by Satellite Image #4 | 0 | - | 4.72 | 62,107 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 43,750 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,500 |
| Similar Flags #1 | 0 | - | 4.72 | 110,545 |
| Similar Flags #2 | 0 | - | 4.79 | 112,491 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,161 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,197 |
| Biggest Countries by Area | 0 | - | 5.00 | 930,905 |
| Northernmost Countries | 0 | - | 4.99 | 326,642 |
| Countries of South America | 0 | - | 5.00 | 790,618 |
| Countries of Oceania | 0 | - | 5.00 | 890,328 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,139,795 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,566,561 |
| Countries by Picture #1 | 0 | - | 4.51 | 89,367 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,419 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 145,632 |
| World Map without 12 Countries | 0 | - | 4.97 | 314,890 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 151,314 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 120,706 |
| Flags of Countries of the World in 1910 | 0 | - | 4.95 | 68,758 |
| Country Shape Quiz #3 | 0 | - | 4.92 | 267,036 |
| Country Shape Quiz #4 | 0 | - | 4.92 | 197,399 |
| Country Shape Quiz #5 | 0 | - | 4.93 | 138,864 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 90,892 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 99,466 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 109,319 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 97,438 |
| Country Shapes in the World Map #6 | 0 | - | 4.97 | 72,196 |
| Country Shapes in the World Map #7 | 0 | - | 4.98 | 49,621 |
| Country Shapes in the World Map #5 | 0 | - | 4.97 | 76,356 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 308,906 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,410 |
| Countries with Megacities | 0 | - | 4.99 | 196,534 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 170,967 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,603 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 94,891 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 63,565 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,188 |
| Countries by Official Language | 0 | - | 4.95 | 154,638 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.92 | 248,345 |
| Countries in their Native Language | 0 | - | 4.98 | 177,760 |
| Independence from Whom | 0 | - | 4.99 | 185,079 |
| Subdivisions by Country | 0 | - | 4.82 | 46,374 |
| Who Controlled These Colonies? | 0 | - | 4.89 | 113,140 |
| Megadiverse Countries | 0 | - | 4.96 | 125,162 |
| Countries With the Most English Speakers | 0 | - | 4.87 | 90,802 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 106,527 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.83 | 47,305 |
| 15 Biggest Island Countries | 0 | - | 4.99 | 130,869 |
| Most Recently-Settled Countries | 0 | - | 4.92 | 49,034 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 77,605 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.95 | 144,952 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 76,923 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 41,277 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 43,584 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 101,485 |
| Countries Furthest from the United States | 0 | - | 4.94 | 71,880 |
| Countries with the Highest HDI | 0 | - | 4.95 | 130,903 |
| Straight Shot to the Arctic Circle | 0 | - | 4.92 | 68,421 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 65,143 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 81,675 |
| World Map Quiz | 0 | - | 4.90 | 49,059 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 68,690 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 65,667 |
| Countries Connected in the World Map #3 | 0 | - | 4.96 | 65,104 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 141,656 |
| Countries in a Strip of the World Map | 0 | - | 4.98 | 64,126 |
| Smallest Countries with at Least One Border | 0 | - | 4.90 | 81,295 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 48,147 |
| Southernmost Countries of the World | 0 | - | 4.99 | 206,353 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 90,704 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.90 | 107,768 |
| Countries With the Most Languages | 0 | - | 4.91 | 173,068 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 87,162 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.86 | 71,410 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 86,083 |
| Countries with the Most Domestic Camels | 0 | - | 4.92 | 53,755 |
| Tallest Countries North to South | 0 | - | 4.84 | 110,274 |
| Widest Countries East to West | 0 | - | 4.93 | 119,192 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 68,780 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 158,809 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 92,566 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.96 | 85,254 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 118,656 |
| Countries with the Most Desert | 0 | - | 4.92 | 105,005 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 66,403 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 32,005 |
| Countries with Double Letters | 0 | - | 4.96 | 67,946 |
| Countries that End in N | 0 | - | 4.93 | 132,323 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 229,276 |
| Countries with Six Letters Quiz | 0 | - | 4.95 | 186,682 |
| Countries with W | 0 | - | 4.97 | 122,457 |
| Countries with Z | 0 | - | 4.98 | 243,984 |
| Countries with Letters Missing | 0 | - | 4.97 | 155,312 |
| Countries That End in U | 0 | - | 4.94 | 107,393 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.97 | 89,122 |
| Countries that End in O | 0 | - | 4.92 | 146,793 |
| Countries that End in R | 0 | - | 4.86 | 96,357 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 147,144 |
| Countries Ending in "IA" | 0 | - | 4.99 | 170,957 |
| Countries by First and Last Letter #1 | 0 | - | 4.98 | 155,510 |
