| All Country Flags of the World | 0 | - | 5.00 | 2,965,121 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,364,499 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,001,718 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 671,292 |
| Flags with Crescents | 0 | - | 4.98 | 143,342 |
| Country Flag Trivia | 0 | - | 4.84 | 43,842 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 75,994 |
| Country Flags with the Union Jack | 0 | - | 4.84 | 56,139 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 67,755 |
| Flag Maths | 0 | - | 4.92 | 49,882 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.84 | 41,863 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 112,978 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 88,767 |
| Flags with the Most Stars | 0 | - | 4.91 | 105,782 |
| Flags that are Red & White Only | 0 | - | 4.97 | 130,851 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 125,506 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 35,250 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 35,397 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 43,255 |
| Country Flags with the Most Red | 0 | - | 4.97 | 91,383 |
| Country Flags with the Most Blue | 0 | - | 4.91 | 79,399 |
| Country Flags with the Most Green | 0 | - | 4.96 | 79,900 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 81,333 |
| Country Flags with the Most Yellow | 0 | - | 4.92 | 77,919 |
| Country Flags with the Most Black | 0 | - | 4.94 | 86,186 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 55,374 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 43,876 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 81,766 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 62,733 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 48,362 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 82,045 |
| Flags to Languages | 0 | - | 4.95 | 158,476 |
| Former Flags | 0 | - | 4.98 | 81,449 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 33,596 |
| Countries by Partial Flag Images #6 | 0 | - | 4.93 | 27,153 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 309,773 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 26,672 |
| Random Flag to Country | 0 | - | 4.99 | 505,426 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 94,000 |
| Countries by Bordering Flags #2 | 0 | - | 4.87 | 75,345 |
| Flags of the Mediterranean | 0 | - | 4.94 | 124,023 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 114,492 |
| Countries by Satellite Image #1 | 0 | - | 4.87 | 129,456 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 75,761 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,408 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,243 |
| World Coats of Arms | 0 | - | 4.99 | 55,433 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 86,292 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,569 |
| Similar Flags #1 | 0 | - | 4.72 | 110,769 |
| Similar Flags #2 | 0 | - | 4.79 | 112,772 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 125,531 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 40,624 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 150,714 |
| Emoji Flags | 0 | - | 4.34 | 40,602 |
| Countries by Road Signs | 0 | - | 4.98 | 45,240 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 53,785 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,977 |
| Select the World Flags | 0 | - | 4.30 | 33,202 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,493 |
| Random Circular Cutouts of the World Map | 0 | - | 4.97 | 66,438 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.64 | 54,116 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,117 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,146 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,190 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 43,818 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,217 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,229 |
| Countries by Picture #1 | 0 | - | 4.51 | 89,548 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,513 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 42,141 |
| Name a Valid Country Flag | 0 | - | 4.55 | 47,401 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,044,315 |
| Flags of Asia Quiz | 0 | - | 4.99 | 524,322 |
| Pixelated World Map | 0 | - | 5.00 | 128,192 |
| Flags of Africa Quiz | 0 | - | 4.99 | 386,473 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 66,599 |
| Satellite Images - Europe | 0 | - | 4.44 | 81,388 |
| European Cities by Picture #2 | 0 | - | 4.47 | 34,555 |
| Boundary Waters | 0 | - | 4.93 | 81,112 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,743 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 44,700 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 51,181 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 59,906 |
| Cities by Satellite #1 | 0 | - | 4.36 | 70,418 |
| Cities by Satellite #2 | 0 | - | 4.47 | 22,747 |
| Countries by Picture #4 | 0 | - | 4.17 | 41,853 |
| Countries by Picture #2 | 0 | - | 4.37 | 64,209 |
| Countries by Picture #5 | 0 | - | 4.27 | 39,800 |
| Countries by Picture #6 | 0 | - | 4.17 | 33,622 |
| Geography by Picture - H | 0 | - | 4.52 | 55,133 |
| Geography by Picture - N | 0 | - | 4.46 | 39,532 |
| Geography by Picture - R | 0 | - | 4.55 | 38,568 |
| Geography by Picture - T | 0 | - | 4.63 | 54,694 |
| Flags of Oceania | 0 | - | 5.00 | 215,259 |
| Three Band Flags of Europe | 0 | - | 4.97 | 160,971 |
| Pixelated Africa Map | 0 | - | 4.98 | 88,272 |
| Pixelated Asia Map | 0 | - | 4.90 | 63,189 |
| Pixelated Europe Map | 0 | - | 4.90 | 109,436 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,915,593 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 30,110 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 323,632 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 351,319 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 122,620 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 103,562 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 84,316 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 45,682 |
| Satellite Images Quiz #6 | 0 | - | 4.52 | 35,560 |
| Cities by Picture #1 | 0 | - | 4.66 | 77,019 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.54 | 23,473 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,322 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 83,766 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,177 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,774 |
| World Capitals Quiz | 0 | - | 5.00 | 4,496,816 |
| Members of the Arab League | 0 | - | 4.85 | 61,835 |
| Sahara Desert Countries | 0 | - | 4.97 | 126,864 |
| Himalayan Countries | 0 | - | 4.94 | 104,727 |
| Andean Countries | 0 | - | 4.91 | 58,056 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,010 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,305 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,667 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,020 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,274 |
| Danube Countries | 0 | - | 4.97 | 56,624 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,664 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,831 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,159 |
| Countries with the Worst Passports | 0 | - | 4.87 | 49,326 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,495 |
| European Landlocked Countries | 0 | - | 4.99 | 115,486 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,307 |
| Countries with the Most Species | 0 | - | 4.99 | 89,521 |
| Countries 197 to 205 | 0 | - | 4.88 | 56,324 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,669 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,994 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,243 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,398 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,673 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,110 |
| Countries in the Alps | 0 | - | 4.84 | 102,590 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,274 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 87,034 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,557 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,214 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,918 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,523 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,586 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,118 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,295 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,624 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,394 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,575 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,651 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,447 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,925 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,434 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 97,946 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,309 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,359 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 196,070 |
| World Countries - Blind Typing | 0 | - | 5.00 | 72,789 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,258 |
| Largest Countries By Category | 0 | - | 4.96 | 144,839 |
| Countries by Countries | 0 | - | 4.96 | 54,613 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,069,925 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,365 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,679 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 44,688 |
| All Countries by Population With a Map | 0 | - | 4.99 | 61,995 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 76,722 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,156 |
| Merged Countries #2 | 0 | - | 4.96 | 89,607 |
| Merged Countries #4 | 0 | - | 4.87 | 84,270 |
| Merged Countries #6 | 0 | - | 4.89 | 65,143 |
| Merged Countries #7 | 0 | - | 4.93 | 74,297 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 134,554 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,099 |
| Geography by Picture - A | 0 | - | 4.35 | 56,811 |
| Geography by Picture - B | 0 | - | 4.36 | 52,362 |
| Geography by Picture - D | 0 | - | 4.10 | 43,136 |
| Geography by Picture - F | 0 | - | 4.25 | 48,239 |
| Geography by Picture - G | 0 | - | 4.39 | 45,301 |
| Geography by Picture - J | 0 | - | 4.14 | 36,321 |
| Geography by Picture - C | 0 | - | 4.28 | 54,171 |
| Geography by Picture - L | 0 | - | 4.34 | 55,758 |
| Geography by Picture - M | 0 | - | 4.11 | 38,336 |
| Geography by Picture - P | 0 | - | 4.28 | 40,096 |
| Geography by Picture - S | 0 | - | 4.35 | 44,505 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,649 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,495 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 181,186 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,881 |
| Longest International Borders | 0 | - | 4.99 | 234,083 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,924 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,033 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,402 |
| Demonym of Every Country | 0 | - | 4.91 | 49,505 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,544 |
| Islands by Picture | 0 | - | 4.30 | 91,784 |
