| Countries by Satellite Image #1 | 0 | - | 4.88 | 136,712 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 78,726 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.82 | 46,365 |
| All Country Flags of the World | 0 | - | 5.00 | 3,258,851 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 57,276 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,445,993 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,046,512 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 700,687 |
| Islands by Satellite Image #1 | 0 | - | 4.74 | 66,187 |
| Flags with Crescents | 0 | - | 4.98 | 154,690 |
| Country Flag Trivia | 0 | - | 4.82 | 50,013 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 93,697 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 61,931 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.84 | 46,857 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 125,899 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 106,551 |
| Satellite Images Quiz #4 | 0 | - | 4.54 | 86,840 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 47,857 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 37,371 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 60,416 |
| World Coats of Arms | 0 | - | 4.99 | 59,332 |
| Flags to Languages | 0 | - | 4.95 | 165,207 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 68,563 |
| Countries by Satellite Image #2 | 0 | - | 4.78 | 66,989 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 64,511 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 45,252 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 42,721 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 71,913 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 26,784 |
| Geography by Picture - B | 0 | - | 4.41 | 53,955 |
| Geography by Picture - H | 0 | - | 4.49 | 56,713 |
| Geography by Picture - N | 0 | - | 4.43 | 40,882 |
| Geography by Picture - R | 0 | - | 4.55 | 39,765 |
| Geography by Picture - T | 0 | - | 4.54 | 56,311 |
| Countries by Road Signs | 0 | - | 4.98 | 48,839 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 136,095 |
| Islands by Satellite Image #2 | 0 | - | 4.33 | 18,387 |
| Islands by Shape #2 | 0 | - | 4.88 | 46,688 |
| Cities by Satellite #1 | 0 | - | 4.37 | 75,350 |
| Cities by Satellite #2 | 0 | - | 4.48 | 23,817 |
| Geography by Picture - A | 0 | - | 4.37 | 58,537 |
| Geography by Picture - D | 0 | - | 4.14 | 44,376 |
| Geography by Picture - F | 0 | - | 4.30 | 49,586 |
| Geography by Picture - G | 0 | - | 4.39 | 46,641 |
| Geography by Picture - J | 0 | - | 4.15 | 37,374 |
| Geography by Picture - K | 0 | - | 4.28 | 32,058 |
| Geography by Picture - C | 0 | - | 4.30 | 55,586 |
| Geography by Picture - L | 0 | - | 4.35 | 57,333 |
| Geography by Picture - M | 0 | - | 4.12 | 39,390 |
| Geography by Picture - P | 0 | - | 4.25 | 41,286 |
| Geography by Picture - S | 0 | - | 4.36 | 45,791 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 70,798 |
| Random Flags Quiz | 0 | - | 4.41 | 266,971 |
| Cities by Picture #1 | 0 | - | 4.70 | 81,378 |
| Countries by Coat of Arms #2 | 0 | - | 4.75 | 33,181 |
| Countries by Picture #1 | 0 | - | 4.52 | 94,142 |
| Countries by Picture #3 | 0 | - | 4.52 | 56,785 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 44,833 |
| Landmarks Picture Quiz #1 | 0 | - | 4.18 | 370,000 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,119,016 |
| Flags of Asia Quiz | 0 | - | 4.99 | 560,941 |
| Largest City by Island | 0 | - | 4.90 | 64,794 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 128,749 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 95,805 |
| Flags with the Most Stars | 0 | - | 4.91 | 114,100 |
| Flags that are Red & White Only | 0 | - | 4.96 | 136,621 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 133,995 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 44,013 |
| African Island Countries | 0 | - | 4.96 | 94,973 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 39,864 |
| Four Countries with Similar Flags #1 | 0 | - | 4.96 | 47,948 |
| Pixelated World Map | 0 | - | 5.00 | 135,439 |
| Country Flags with the Most Red | 0 | - | 4.97 | 98,609 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 84,619 |
| Country Flags with the Most Green | 0 | - | 4.96 | 92,024 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 86,849 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 92,554 |
| Country Flags with the Most Black | 0 | - | 4.94 | 90,924 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 64,131 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 46,433 |
| Countries by Partial Flag Images #2 | 0 | - | 4.96 | 86,257 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 66,852 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 52,738 |
| Countries by Partial Flag Images #6 | 0 | - | 4.91 | 32,118 |
| Islands by Country #1 | 0 | - | 4.87 | 168,653 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 84,540 |
| Flags of Africa Quiz | 0 | - | 5.00 | 419,614 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 331,088 |
| Emoji Flags | 0 | - | 4.35 | 42,231 |
| Former Flags | 0 | - | 4.98 | 100,269 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 67,287 |
| Country Flags With Blue Removed | 0 | - | 4.90 | 38,745 |
| Geography by Picture - E | 0 | - | 3.54 | 46,419 |
| Landforms by Picture | 0 | - | 4.35 | 19,789 |
| Geography by Picture - I | 0 | - | 3.98 | 38,479 |
| Richest Island Countries | 0 | - | 4.82 | 93,695 |
| Countries by Picture #4 | 0 | - | 4.16 | 43,525 |
| Countries by Picture #2 | 0 | - | 4.37 | 66,963 |
| Countries by Picture #5 | 0 | - | 4.28 | 41,522 |
| Countries by Picture #6 | 0 | - | 4.15 | 34,772 |
| Flags of Oceania | 0 | - | 5.00 | 232,891 |
| Three Band Flags of Europe | 0 | - | 4.97 | 181,596 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.62 | 56,356 |
| Select the World Flags | 0 | - | 4.28 | 35,407 |
| Landmarks Picture Quiz #2 | 0 | - | 4.40 | 126,595 |
| A-Z Cities by Pictures | 0 | - | 4.55 | 41,553 |
| Pixelated Africa Map | 0 | - | 4.98 | 92,905 |
| Pixelated Asia Map | 0 | - | 4.91 | 67,542 |
| Pixelated Europe Map | 0 | - | 4.88 | 115,054 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 28,648 |
| Boundary Waters | 0 | - | 4.93 | 84,628 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 32,374 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 89,752 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 53,495 |
| "Second Best" Geography Edition #2 | 0 | - | 4.85 | 55,712 |
| "Second Best" Geography Edition #3 | 0 | - | 4.88 | 65,062 |
| Random Flag to Country | 0 | - | 4.99 | 542,431 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 97,677 |
| Countries by Bordering Flags #2 | 0 | - | 4.87 | 78,456 |
| Flags of the Mediterranean | 0 | - | 4.94 | 129,878 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.33 | 18,893 |
| Countries of the World Quiz | 0 | - | 5.00 | 43,720,558 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 374,810 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 447,380 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 24,084 |
| World Capitals Quiz | 0 | - | 5.00 | 4,757,793 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,341,168 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,416,357 |
| Geography by Picture - O | 0 | - | 3.98 | 27,230 |
| Islands by Shape #1 | 0 | - | 4.28 | 72,613 |
| Islands by Picture | 0 | - | 4.29 | 99,275 |
| World Geography on a Map #1 | 0 | - | 4.93 | 70,292 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 89,761 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 145,077 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 116,143 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.94 | 116,225 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,472,984 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 357,122 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 378,186 |
| Island Countries Quiz | 0 | - | 4.99 | 686,114 |
| Sahara Desert Countries | 0 | - | 4.98 | 141,943 |
| Himalayan Countries | 0 | - | 4.95 | 118,973 |
| Andean Countries | 0 | - | 4.92 | 66,683 |
| Countries with the Oldest Median Age | 0 | - | 4.80 | 67,755 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 55,258 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 110,606 |
| Coffee Producing Countries | 0 | - | 4.81 | 58,294 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 57,975 |
| Danube Countries | 0 | - | 4.97 | 59,945 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 95,661 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 80,992 |
| Countries with the Best Passports | 0 | - | 4.81 | 78,517 |
| Countries with the Worst Passports | 0 | - | 4.92 | 61,211 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 134,771 |
| European Landlocked Countries | 0 | - | 4.99 | 139,887 |
| Partially Recognized Countries | 0 | - | 4.98 | 96,519 |
| Countries with the Most Species | 0 | - | 4.99 | 91,767 |
| Countries 197 to 205 | 0 | - | 4.87 | 61,975 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 46,332 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 45,452 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 51,838 |
| Countries that Use the Peso | 0 | - | 4.84 | 48,959 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.87 | 69,395 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 52,848 |
| Countries in the Alps | 0 | - | 4.86 | 109,064 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 89,803 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 96,030 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 74,724 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 82,635 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 109,617 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 91,179 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 94,094 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 49,127 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 47,435 |
| Countries with the Most Container Port Traffic | 0 | - | 4.91 | 58,057 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 72,185 |
| Bridge and Tunnel Borders | 0 | - | 4.95 | 50,767 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.89 | 38,639 |
| Asian Island Nations | 0 | - | 4.62 | 91,378 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 99,437 |
| Arctic Ocean Countries | 0 | - | 4.94 | 75,138 |
| Countries with the Most Grassland | 0 | - | 4.93 | 72,787 |
| Country Flags with the Southern Cross | 0 | - | 4.71 | 53,762 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 107,231 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 64,210 |
| Similar Flags #1 | 0 | - | 4.70 | 116,152 |
| Similar Flags #2 | 0 | - | 4.78 | 118,770 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 56,148 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 218,396 |
| World Countries - Blind Typing | 0 | - | 5.00 | 82,911 |
| Countries in Their Own Alphabet | 0 | - | 4.96 | 44,487 |
| Largest Countries By Category | 0 | - | 4.97 | 150,132 |
| Countries by Countries | 0 | - | 4.96 | 57,803 |
| Country Flags with the Most White | 0 | - | 4.87 | 130,343 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,381 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 133,567 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 46,052 |
| All Countries by Population With a Map | 0 | - | 4.98 | 90,711 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 82,119 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 82,964 |
