| All Country Flags of the World | 0 | - | 5.00 | 3,686,525 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,759 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,175 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,811 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,767 |
| Flags with Crescents | 0 | - | 4.98 | 170,489 |
| Country Flag Trivia | 0 | - | 4.81 | 57,492 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,283 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,920 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,933 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,553 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,576 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,134 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,944 |
| Flags of North and South America | 0 | - | 4.99 | 374,837 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,380 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,537 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,096 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,668 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,890 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,572 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,799 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,915 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,847 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,850 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,847 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,942 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,736 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,359 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,802 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,862 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,271 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,611 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,722 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,064 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,278 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,352 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,240 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,611 |
| Flags to Languages | 0 | - | 4.95 | 174,017 |
| Former Flags | 0 | - | 4.97 | 108,073 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,054 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,688 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,085 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,365 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,986 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,350 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,918 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,209 |
| Flag Maths | 0 | - | 4.64 | 57,800 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,313 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,922 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,098 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,994 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,901 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,564 |
| World Coats of Arms | 0 | - | 4.99 | 64,798 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,336 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,091 |
| Similar Flags #1 | 0 | - | 4.75 | 130,363 |
| Similar Flags #2 | 0 | - | 4.74 | 137,665 |
| Emoji Flags | 0 | - | 4.35 | 44,177 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,767 |
| Countries by Road Signs | 0 | - | 4.98 | 54,091 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,635 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,812 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,021 |
| Select the World Flags | 0 | - | 4.27 | 37,861 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,380 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,235 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,068 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,589 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,293 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,365 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,020 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,602 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,808 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,929 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,053 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,394 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,337 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,720 |
| Pixelated World Map | 0 | - | 5.00 | 143,730 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,125 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,817 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,298 |
| Flags of Oceania | 0 | - | 5.00 | 260,968 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,860 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,215 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,144 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,468 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,079 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,669 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,211 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,693 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,173 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,582 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,143 |
| Geography by Picture - B | 0 | - | 4.42 | 55,694 |
| Geography by Picture - H | 0 | - | 4.50 | 58,298 |
| Geography by Picture - N | 0 | - | 4.45 | 42,269 |
| Geography by Picture - R | 0 | - | 4.56 | 41,085 |
| Geography by Picture - T | 0 | - | 4.54 | 57,916 |
| Flags of WW1 | 0 | - | 4.60 | 38,536 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,850 |
| Boundary Waters | 0 | - | 4.92 | 88,617 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,290 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,364 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,868 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,693 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,662 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,648,096 |
| Landlocked Countries | 0 | - | 4.99 | 422,802 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,691 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,624 |
| Merged Countries #2 | 0 | - | 4.96 | 99,323 |
| Merged Countries #6 | 0 | - | 4.90 | 73,545 |
| Merged Countries #7 | 0 | - | 4.93 | 82,879 |
| Satellite Images #1 | 0 | - | 4.47 | 129,513 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,432 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,014 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,037 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,057 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,245 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,753 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,103 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,522 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,540 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,286 |
| World Capitals Quiz | 0 | - | 5.00 | 5,088,366 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,926 |
| Himalayan Countries | 0 | - | 4.95 | 139,092 |
| Andean Countries | 0 | - | 4.93 | 84,833 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,059 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,168 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,640 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,954 |
| Danube Countries | 0 | - | 4.97 | 72,114 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,160 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,520 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,493 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,989 |
| European Landlocked Countries | 0 | - | 4.99 | 147,255 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,800 |
| Countries with the Most Species | 0 | - | 4.99 | 103,327 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,923 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,642 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,759 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,605 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,337 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,759 |
| Countries in the Alps | 0 | - | 4.87 | 118,334 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,643 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,231 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,734 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,689 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,610 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,014 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,777 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,583 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,232 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,938 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,703 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,581 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,311 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,552 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,617 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,107 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,381 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,600 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,226 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,389 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,374 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,297 |
| Largest Countries By Category | 0 | - | 4.97 | 158,364 |
| Countries by Countries | 0 | - | 4.96 | 63,337 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,801 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,315 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,588 |
| Merged Country Flags | 0 | - | 4.88 | 107,026 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,871 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,106 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,868 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,764 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,784,555 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,116 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,773 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,880 |
| Geography by Picture - A | 0 | - | 4.39 | 60,341 |
| Geography by Picture - D | 0 | - | 4.15 | 45,721 |
| Geography by Picture - F | 0 | - | 4.31 | 51,089 |
| Geography by Picture - G | 0 | - | 4.39 | 48,019 |
| Geography by Picture - J | 0 | - | 4.16 | 38,525 |
| Geography by Picture - K | 0 | - | 4.29 | 33,185 |
| Geography by Picture - C | 0 | - | 4.31 | 57,148 |
| Geography by Picture - L | 0 | - | 4.37 | 59,061 |
| Geography by Picture - M | 0 | - | 4.14 | 40,519 |
| Geography by Picture - P | 0 | - | 4.24 | 42,499 |
| Geography by Picture - S | 0 | - | 4.38 | 47,107 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,689 |
