| All Country Flags of the World | 0 | - | 5.00 | 3,685,020 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,934 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,685 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,676 |
| Flags with Crescents | 0 | - | 4.98 | 170,437 |
| Country Flag Trivia | 0 | - | 4.81 | 57,457 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,237 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,900 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,893 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,542 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,113 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,343 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,502 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,055 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,646 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,863 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,543 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,755 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,899 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,824 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,827 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,822 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,917 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,710 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,340 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,783 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,856 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,262 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,587 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,705 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,041 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,251 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,332 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,215 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,605 |
| Flags of North and South America | 0 | - | 4.99 | 374,697 |
| Flags to Languages | 0 | - | 4.95 | 173,992 |
| Former Flags | 0 | - | 4.97 | 108,041 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,049 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,744 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,674 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,078 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,206 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,970 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,338 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,887 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,913 |
| Flag Maths | 0 | - | 4.64 | 57,798 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,289 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,908 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,091 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,894 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,562 |
| World Coats of Arms | 0 | - | 4.99 | 64,781 |
| Similar Flags #1 | 0 | - | 4.75 | 130,342 |
| Similar Flags #2 | 0 | - | 4.74 | 137,638 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,965 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,196 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,076 |
| Emoji Flags | 0 | - | 4.35 | 44,171 |
| Countries by Road Signs | 0 | - | 4.98 | 54,077 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,802 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,373 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,569 |
| Select the World Flags | 0 | - | 4.27 | 37,855 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,223 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,013 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,584 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,287 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,357 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,014 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,598 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,736 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,924 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,040 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,046 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,909 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,486 |
| Pixelated World Map | 0 | - | 5.00 | 143,699 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,783 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,378 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,803 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,291 |
| Boundary Waters | 0 | - | 4.92 | 88,612 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,280 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,345 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,828 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,676 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,637 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,616 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,205 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,687 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,165 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,575 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,140 |
| Geography by Picture - B | 0 | - | 4.42 | 55,686 |
| Geography by Picture - H | 0 | - | 4.50 | 58,294 |
| Geography by Picture - N | 0 | - | 4.45 | 42,262 |
| Geography by Picture - R | 0 | - | 4.56 | 41,082 |
| Geography by Picture - T | 0 | - | 4.54 | 57,912 |
| Flags of Oceania | 0 | - | 5.00 | 260,863 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,817 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,204 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,120 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,443 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,056 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,634,834 |
| Flags of WW1 | 0 | - | 4.60 | 38,526 |
| Landlocked Countries | 0 | - | 4.99 | 422,635 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,064 |
| Satellite Images #1 | 0 | - | 4.47 | 129,505 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,426 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,008 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,028 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,054 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,233 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,849 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,742 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,085 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,500 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,516 |
| World Capitals Quiz | 0 | - | 5.00 | 5,087,335 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,847 |
| Himalayan Countries | 0 | - | 4.95 | 139,030 |
| Andean Countries | 0 | - | 4.93 | 84,798 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,025 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,104 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,615 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,927 |
| Danube Countries | 0 | - | 4.97 | 72,098 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,130 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,499 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,452 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,942 |
| European Landlocked Countries | 0 | - | 4.99 | 147,234 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,769 |
| Countries with the Most Species | 0 | - | 4.99 | 103,310 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,888 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,631 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,750 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,599 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,320 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,742 |
| Countries in the Alps | 0 | - | 4.87 | 118,314 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,538 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,193 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,721 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,674 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,585 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,001 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,757 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,569 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,227 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,924 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,691 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,573 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,299 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,542 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,608 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,061 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,371 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,494 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,204 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,293 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,327 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,284 |
| Largest Countries By Category | 0 | - | 4.97 | 158,343 |
| Countries by Countries | 0 | - | 4.96 | 63,319 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,775 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,311 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,582 |
| Merged Country Flags | 0 | - | 4.88 | 107,014 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,818 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,090 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,859 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,750 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,783,356 |
| Merged Countries #2 | 0 | - | 4.96 | 99,306 |
| Merged Countries #6 | 0 | - | 4.90 | 73,522 |
| Merged Countries #7 | 0 | - | 4.93 | 82,863 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,761 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,875 |
| Geography by Picture - A | 0 | - | 4.39 | 60,334 |
| Geography by Picture - D | 0 | - | 4.15 | 45,716 |
| Geography by Picture - F | 0 | - | 4.31 | 51,083 |
| Geography by Picture - G | 0 | - | 4.39 | 48,012 |
| Geography by Picture - J | 0 | - | 4.16 | 38,521 |
| Geography by Picture - K | 0 | - | 4.29 | 33,180 |
| Geography by Picture - C | 0 | - | 4.31 | 57,141 |
| Geography by Picture - L | 0 | - | 4.37 | 59,057 |
| Geography by Picture - M | 0 | - | 4.14 | 40,515 |
| Geography by Picture - P | 0 | - | 4.24 | 42,494 |
| Geography by Picture - S | 0 | - | 4.38 | 47,097 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,563 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,518 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,962 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,165 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,340 |
| Longest International Borders | 0 | - | 4.99 | 265,315 |
| Countries with Three Borders | 0 | - | 4.96 | 36,641 |
