| All Country Flags of the World | 0 | - | 5.00 | 3,646,767 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,212 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,411 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,444 |
| Flags with Crescents | 0 | - | 4.98 | 169,000 |
| Country Flag Trivia | 0 | - | 4.81 | 56,743 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,374 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,211 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,995 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,079 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,985 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,591 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,238 |
| Flags of North and South America | 0 | - | 4.99 | 371,762 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,252 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,517 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,033 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,024 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,964 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,643 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,750 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,294 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,283 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,165 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,310 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,403 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,165 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,868 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,330 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,609 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,991 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,189 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,244 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,550 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,768 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,864 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,647 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,344 |
| Flags to Languages | 0 | - | 4.95 | 173,349 |
| Former Flags | 0 | - | 4.97 | 107,444 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,855 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,378 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,277 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,230 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,883 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,541 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,005 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,258 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,262 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,741 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,895 |
| Flag Maths | 0 | - | 4.64 | 57,741 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,227 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,340 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,712 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,650 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,436 |
| World Coats of Arms | 0 | - | 4.99 | 64,314 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,506 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,959 |
| Similar Flags #1 | 0 | - | 4.75 | 129,749 |
| Similar Flags #2 | 0 | - | 4.74 | 137,058 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,463 |
| Emoji Flags | 0 | - | 4.35 | 44,001 |
| Countries by Road Signs | 0 | - | 4.98 | 53,620 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,255 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,420 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,820 |
| Select the World Flags | 0 | - | 4.27 | 37,657 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,186 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,287 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,959 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,063 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,845 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,411 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,804 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,219 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,687 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,930 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,239,537 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,247 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,897 |
| Pixelated World Map | 0 | - | 5.00 | 143,121 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,715,366 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,057 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,281 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,139 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,642 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,017 |
| Flags of Oceania | 0 | - | 5.00 | 258,071 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,882 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,862 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,631 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,987 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,476 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,850 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,023 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,217 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,849 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,300 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,026 |
| Geography by Picture - B | 0 | - | 4.42 | 55,554 |
| Geography by Picture - H | 0 | - | 4.50 | 58,176 |
| Geography by Picture - N | 0 | - | 4.45 | 42,166 |
| Geography by Picture - R | 0 | - | 4.56 | 40,979 |
| Geography by Picture - T | 0 | - | 4.54 | 57,798 |
| Flags of WW1 | 0 | - | 4.60 | 38,275 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,779 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,375 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,023 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,386 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 259,842 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,732 |
| Name a Valid African Country | 0 | - | 4.98 | 153,723 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,304 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,803 |
| Boundary Waters | 0 | - | 4.92 | 88,363 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,061 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,883 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,127 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,305 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,243 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,309,289 |
| Landlocked Countries | 0 | - | 4.99 | 418,504 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,740 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 567,144 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,845 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,381 |
| Merged Countries #2 | 0 | - | 4.96 | 98,883 |
| Merged Countries #6 | 0 | - | 4.90 | 73,113 |
| Merged Countries #7 | 0 | - | 4.93 | 82,428 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,588 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,079 |
| Satellite Images #1 | 0 | - | 4.46 | 129,282 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,231 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,856 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,850 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,930 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,824 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,706 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,481 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,593 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,619 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,838 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,334 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,406 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,668 |
| World Capitals Quiz | 0 | - | 5.00 | 5,061,689 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,628 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,890 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,446 |
| Which City in Europe? | 0 | - | 4.83 | 107,139 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,759 |
| Himalayan Countries | 0 | - | 4.94 | 137,225 |
| Andean Countries | 0 | - | 4.95 | 83,830 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,078 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,482 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,758 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,288 |
| Danube Countries | 0 | - | 4.97 | 71,610 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,485 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,010 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,568 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,633 |
| European Landlocked Countries | 0 | - | 4.99 | 146,719 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,062 |
| Countries with the Most Species | 0 | - | 4.99 | 102,863 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,201 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,414 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,572 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,273 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,948 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,325 |
| Countries in the Alps | 0 | - | 4.87 | 117,621 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,090 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,290 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,381 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,938 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,045 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,413 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,228 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,145 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,942 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,516 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,450 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,315 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,890 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,161 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,178 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,110 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,035 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,549 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,470 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,204 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,125 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,968 |
| Largest Countries By Category | 0 | - | 4.97 | 157,569 |
| Countries by Countries | 0 | - | 4.96 | 62,799 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,148 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,148 |
