| All Country Flags of the World | 0 | - | 5.00 | 3,663,487 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,145 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,892 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,411 |
| Flags with Crescents | 0 | - | 4.98 | 169,573 |
| Country Flag Trivia | 0 | - | 4.81 | 57,031 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,757 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,509 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,429 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,274 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,803 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,793 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,023 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,487 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,318 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,398 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,067 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,205 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,574 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,556 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,486 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,534 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,646 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,417 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,093 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,521 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,719 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,114 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,382 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,444 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,771 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,978 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,074 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,901 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,469 |
| Flags of North and South America | 0 | - | 4.99 | 373,053 |
| Flags to Languages | 0 | - | 4.95 | 173,635 |
| Former Flags | 0 | - | 4.97 | 107,725 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,949 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,532 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,461 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,958 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,325 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,730 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,156 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,548 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,554 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,797 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,668 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,938 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,764 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,499 |
| World Coats of Arms | 0 | - | 4.99 | 64,511 |
| Similar Flags #1 | 0 | - | 4.75 | 130,025 |
| Similar Flags #2 | 0 | - | 4.74 | 137,307 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,566 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,766 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,432 |
| Emoji Flags | 0 | - | 4.35 | 44,092 |
| Countries by Road Signs | 0 | - | 4.98 | 53,819 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,610 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,267 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,895 |
| Select the World Flags | 0 | - | 4.27 | 37,745 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,967 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,913 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,437 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,131 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,206 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,930 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,503 |
| Countries by Picture #1 | 0 | - | 4.50 | 113,751 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,495 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,860 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,710 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,015 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,491 |
| Pixelated World Map | 0 | - | 5.00 | 143,386 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,215 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,101 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,522 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,195 |
| Boundary Waters | 0 | - | 4.92 | 88,461 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,160 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,078 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,434 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,458 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,404 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,079 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,076 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,305 |
| Countries by Picture #2 | 0 | - | 4.37 | 71,595 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,225 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,842 |
| Geography by Picture - B | 0 | - | 4.42 | 55,609 |
| Geography by Picture - H | 0 | - | 4.50 | 58,228 |
| Geography by Picture - N | 0 | - | 4.45 | 42,205 |
| Geography by Picture - R | 0 | - | 4.56 | 41,028 |
| Geography by Picture - T | 0 | - | 4.54 | 57,843 |
| Flags of Oceania | 0 | - | 5.00 | 259,380 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,295 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,017 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,854 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,191 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,753 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,449,793 |
| Flags of WW1 | 0 | - | 4.60 | 38,379 |
| Landlocked Countries | 0 | - | 4.99 | 420,385 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,957 |
| Satellite Images #1 | 0 | - | 4.47 | 129,376 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,312 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,917 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,931 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,989 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,007 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,595 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,821 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,941 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,168 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,991 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,648 |
| Himalayan Countries | 0 | - | 4.95 | 138,048 |
| Andean Countries | 0 | - | 4.95 | 84,238 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,463 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,291 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,101 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,546 |
| Danube Countries | 0 | - | 4.97 | 71,815 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,767 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,212 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,943 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,390 |
| European Landlocked Countries | 0 | - | 4.99 | 146,950 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,356 |
| Countries with the Most Species | 0 | - | 4.99 | 103,076 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,517 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,496 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,654 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,433 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,112 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,498 |
| Countries in the Alps | 0 | - | 4.87 | 117,946 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,161 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,673 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,540 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,438 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,288 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,826 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,456 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,327 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,068 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,696 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,560 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,417 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,059 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,340 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,353 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,496 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,169 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,682 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,798 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,107 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,632 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,100 |
| Largest Countries By Category | 0 | - | 4.97 | 157,906 |
| Countries by Countries | 0 | - | 4.97 | 63,002 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,446 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,213 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,505 |
| Merged Country Flags | 0 | - | 4.88 | 106,761 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,039 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,792 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,659 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,493 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,806 |
| Merged Countries #2 | 0 | - | 4.96 | 99,068 |
| Merged Countries #6 | 0 | - | 4.90 | 73,270 |
| Merged Countries #7 | 0 | - | 4.93 | 82,615 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,553 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,791 |
| Geography by Picture - A | 0 | - | 4.39 | 60,259 |
| Geography by Picture - D | 0 | - | 4.15 | 45,662 |
| Geography by Picture - F | 0 | - | 4.31 | 51,007 |
| Geography by Picture - G | 0 | - | 4.38 | 47,950 |
| Geography by Picture - J | 0 | - | 4.16 | 38,467 |
| Geography by Picture - K | 0 | - | 4.29 | 33,129 |
| Geography by Picture - C | 0 | - | 4.31 | 57,076 |
| Geography by Picture - L | 0 | - | 4.37 | 58,967 |
| Geography by Picture - M | 0 | - | 4.14 | 40,463 |
| Geography by Picture - P | 0 | - | 4.24 | 42,438 |
| Geography by Picture - S | 0 | - | 4.38 | 47,042 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,348 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,440 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,823 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,555 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,173 |
| Longest International Borders | 0 | - | 4.99 | 264,923 |
| Countries with Three Borders | 0 | - | 4.96 | 36,524 |
