| All Country Flags of the World | 0 | - | 5.00 | 3,667,276 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,694 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,167 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,595 |
| Flags with Crescents | 0 | - | 4.98 | 169,684 |
| Country Flag Trivia | 0 | - | 4.81 | 57,098 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,847 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,566 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,503 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,315 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,866 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,890 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,113 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,600 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,389 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,488 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,157 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,319 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,633 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,601 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,538 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,587 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,689 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,475 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,134 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,564 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,745 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,143 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,419 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,481 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,815 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,016 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,118 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,948 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,487 |
| Flags of North and South America | 0 | - | 4.99 | 373,287 |
| Flags to Languages | 0 | - | 4.95 | 173,684 |
| Former Flags | 0 | - | 4.97 | 107,777 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,967 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,572 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,490 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,977 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,844 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,767 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,192 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,606 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,617 |
| Flag Maths | 0 | - | 4.64 | 57,765 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,885 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,723 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,979 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,789 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,516 |
| World Coats of Arms | 0 | - | 4.99 | 64,570 |
| Similar Flags #1 | 0 | - | 4.75 | 130,085 |
| Similar Flags #2 | 0 | - | 4.74 | 137,372 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,625 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,823 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,522 |
| Emoji Flags | 0 | - | 4.35 | 44,110 |
| Countries by Road Signs | 0 | - | 4.98 | 53,856 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,640 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,292 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,988 |
| Select the World Flags | 0 | - | 4.27 | 37,758 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,004 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,929 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,466 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,162 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,238 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,946 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,524 |
| Countries by Picture #1 | 0 | - | 4.51 | 115,746 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,665 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,887 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,770 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,803 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,853 |
| Pixelated World Map | 0 | - | 5.00 | 143,429 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,642 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,134 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,558 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,211 |
| Boundary Waters | 0 | - | 4.92 | 88,484 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,180 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,127 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,493 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,485 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,443 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,125 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,080 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,472 |
| Countries by Picture #2 | 0 | - | 4.38 | 71,819 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,381 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,967 |
| Geography by Picture - B | 0 | - | 4.42 | 55,621 |
| Geography by Picture - H | 0 | - | 4.50 | 58,246 |
| Geography by Picture - N | 0 | - | 4.45 | 42,215 |
| Geography by Picture - R | 0 | - | 4.56 | 41,038 |
| Geography by Picture - T | 0 | - | 4.54 | 57,859 |
| Flags of Oceania | 0 | - | 5.00 | 259,593 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,391 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,048 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,891 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,243 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,794 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,480,947 |
| Flags of WW1 | 0 | - | 4.60 | 38,407 |
| Landlocked Countries | 0 | - | 4.99 | 420,794 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 573,140 |
| Satellite Images #1 | 0 | - | 4.47 | 129,404 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,327 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,936 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,949 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,001 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,040 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,827 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,624 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,863 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,207 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,219 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,633 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,869 |
| Himalayan Countries | 0 | - | 4.95 | 138,200 |
| Andean Countries | 0 | - | 4.95 | 84,319 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,543 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,425 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,169 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,601 |
| Danube Countries | 0 | - | 4.97 | 71,861 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,835 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,264 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,030 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,487 |
| European Landlocked Countries | 0 | - | 4.99 | 147,002 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,410 |
| Countries with the Most Species | 0 | - | 4.99 | 103,124 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,568 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,521 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,669 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,457 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,134 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,526 |
| Countries in the Alps | 0 | - | 4.87 | 117,997 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,903 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,780 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,558 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,473 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,343 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,847 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,496 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,364 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,095 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,720 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,573 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,429 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,091 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,366 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,390 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,599 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,190 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,714 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,854 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,325 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,746 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,127 |
| Largest Countries By Category | 0 | - | 4.97 | 157,974 |
| Countries by Countries | 0 | - | 4.96 | 63,048 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,495 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,228 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,522 |
| Merged Country Flags | 0 | - | 4.88 | 106,804 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,157 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,836 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,696 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,541 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,389 |
| Merged Countries #2 | 0 | - | 4.96 | 99,107 |
| Merged Countries #6 | 0 | - | 4.90 | 73,314 |
| Merged Countries #7 | 0 | - | 4.93 | 82,654 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,587 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,805 |
| Geography by Picture - A | 0 | - | 4.39 | 60,275 |
| Geography by Picture - D | 0 | - | 4.15 | 45,672 |
| Geography by Picture - F | 0 | - | 4.31 | 51,021 |
| Geography by Picture - G | 0 | - | 4.38 | 47,962 |
| Geography by Picture - J | 0 | - | 4.16 | 38,477 |
| Geography by Picture - K | 0 | - | 4.29 | 33,142 |
| Geography by Picture - C | 0 | - | 4.31 | 57,087 |
| Geography by Picture - L | 0 | - | 4.37 | 58,988 |
| Geography by Picture - M | 0 | - | 4.14 | 40,477 |
| Geography by Picture - P | 0 | - | 4.24 | 42,447 |
| Geography by Picture - S | 0 | - | 4.38 | 47,054 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,379 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,450 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,856 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,651 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,209 |
| Longest International Borders | 0 | - | 4.99 | 264,975 |
| Countries with Three Borders | 0 | - | 4.96 | 36,544 |
