| All Country Flags of the World | 0 | - | 5.00 | 3,657,279 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,089 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,336 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,070 |
| Flags with Crescents | 0 | - | 4.98 | 169,357 |
| Country Flag Trivia | 0 | - | 4.81 | 56,939 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,631 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,391 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,253 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,204 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,156 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,729 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,455 |
| Flags of North and South America | 0 | - | 4.99 | 372,613 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,510 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,755 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,259 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,139 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,168 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,873 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,990 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,433 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,402 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,343 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,440 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,540 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,317 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,004 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,441 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,673 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,062 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,309 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,347 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,670 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,890 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,989 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,797 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,401 |
| Flags to Languages | 0 | - | 4.95 | 173,539 |
| Former Flags | 0 | - | 4.97 | 107,621 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,906 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,482 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,384 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,463 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,009 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,931 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,660 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,093 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,433 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,448 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,897 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,237 |
| Flag Maths | 0 | - | 4.64 | 57,756 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,469 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,426 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,778 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,722 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,474 |
| World Coats of Arms | 0 | - | 4.99 | 64,436 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,670 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,264 |
| Similar Flags #1 | 0 | - | 4.75 | 129,930 |
| Similar Flags #2 | 0 | - | 4.74 | 137,225 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,624 |
| Emoji Flags | 0 | - | 4.35 | 44,059 |
| Countries by Road Signs | 0 | - | 4.98 | 53,733 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,633 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,537 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,880 |
| Select the World Flags | 0 | - | 4.27 | 37,706 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,239 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,130 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,749 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,135 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,983 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,353 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,049 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 67,140 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,893 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,458 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,367 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,355 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,781 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,046 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,336 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,730 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,418 |
| Pixelated World Map | 0 | - | 5.00 | 143,299 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,575 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,717,541 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,437 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,425 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,182 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,851 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,196 |
| Flags of Oceania | 0 | - | 5.00 | 258,690 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,152 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,963 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,787 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,111 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,659 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,998 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,055 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,329 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,052 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,408 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,108 |
| Geography by Picture - B | 0 | - | 4.42 | 55,590 |
| Geography by Picture - H | 0 | - | 4.50 | 58,214 |
| Geography by Picture - N | 0 | - | 4.45 | 42,192 |
| Geography by Picture - R | 0 | - | 4.56 | 41,014 |
| Geography by Picture - T | 0 | - | 4.54 | 57,827 |
| Flags of WW1 | 0 | - | 4.60 | 38,344 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,867 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,488 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,250 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,605 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,597 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,907 |
| Name a Valid African Country | 0 | - | 4.98 | 153,947 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,550 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,817 |
| Boundary Waters | 0 | - | 4.92 | 88,429 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,125 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,008 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,333 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,411 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,342 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,396,892 |
| Landlocked Countries | 0 | - | 4.99 | 419,721 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,952 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,209 |
| Random Point on Land to European Country | 0 | - | 4.93 | 77,052 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,435 |
| Merged Countries #2 | 0 | - | 4.96 | 98,998 |
| Merged Countries #6 | 0 | - | 4.90 | 73,206 |
| Merged Countries #7 | 0 | - | 4.93 | 82,553 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,744 |
| Topological Map of Africa Quiz | 0 | - | 4.80 | 21,372 |
| Satellite Images #1 | 0 | - | 4.47 | 129,338 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,277 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,895 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,898 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,965 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,941 |
| British Geography Quiz #1 | 0 | - | 4.51 | 48,336 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,145 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,546 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,733 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,824 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,046 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,462 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,820 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,753 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,711 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,955 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,604 |
| Which City in Europe? | 0 | - | 4.83 | 107,332 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,320 |
| Himalayan Countries | 0 | - | 4.95 | 137,759 |
| Andean Countries | 0 | - | 4.95 | 84,100 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,339 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,871 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,968 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,446 |
| Danube Countries | 0 | - | 4.97 | 71,740 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,665 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,141 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,805 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,881 |
| European Landlocked Countries | 0 | - | 4.99 | 146,864 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,242 |
| Countries with the Most Species | 0 | - | 4.99 | 103,007 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,401 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,458 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,621 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,372 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,045 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,440 |
| Countries in the Alps | 0 | - | 4.87 | 117,823 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,217 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,546 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,472 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,318 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,211 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,781 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,375 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,262 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,024 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,627 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,524 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,373 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,994 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,262 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,283 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,357 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,118 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,624 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,661 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,751 |