| All Country Flags of the World | 0 | - | 5.00 | 3,688,818 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,790 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,588 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,038 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,917 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,431 |
| Flags with Crescents | 0 | - | 4.98 | 170,564 |
| Country Flag Trivia | 0 | - | 4.81 | 57,549 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,335 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,957 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,992 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,597 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,605 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,178 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,983 |
| Flags of North and South America | 0 | - | 4.99 | 375,028 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,452 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,593 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,163 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,703 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,942 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,620 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,858 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,951 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,887 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,898 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,888 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,972 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,776 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,394 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,840 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,889 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,287 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,641 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,744 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,097 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,317 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,383 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,288 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,623 |
| Flags to Languages | 0 | - | 4.95 | 174,068 |
| Former Flags | 0 | - | 4.97 | 108,120 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,069 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,722 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,098 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,718 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,017 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,361 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,960 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,281 |
| Flag Maths | 0 | - | 4.64 | 57,803 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,379 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,948 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,112 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,039 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,911 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,565 |
| World Coats of Arms | 0 | - | 4.99 | 64,818 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,439 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,137 |
| Similar Flags #1 | 0 | - | 4.75 | 130,398 |
| Similar Flags #2 | 0 | - | 4.74 | 137,707 |
| Emoji Flags | 0 | - | 4.35 | 44,189 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,785 |
| Countries by Road Signs | 0 | - | 4.98 | 54,116 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,703 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,839 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,035 |
| Select the World Flags | 0 | - | 4.27 | 37,869 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,392 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,256 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,097 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,606 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,306 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,385 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,029 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,608 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,896 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,945 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,071 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,418 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,979 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,004 |
| Pixelated World Map | 0 | - | 5.00 | 143,766 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,414 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,852 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,314 |
| Places by Country - Tile Select | 0 | - | 4.32 | 14,125 |
| Flags of Oceania | 0 | - | 5.00 | 261,079 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,945 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,243 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,177 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,510 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,128 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,719 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,225 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,708 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,194 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,589 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,153 |
| Geography by Picture - B | 0 | - | 4.42 | 55,699 |
| Geography by Picture - H | 0 | - | 4.50 | 58,302 |
| Geography by Picture - N | 0 | - | 4.45 | 42,278 |
| Geography by Picture - R | 0 | - | 4.56 | 41,089 |
| Geography by Picture - T | 0 | - | 4.54 | 57,923 |
| Flags of WW1 | 0 | - | 4.60 | 38,555 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,856 |
| Boundary Waters | 0 | - | 4.92 | 88,631 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,301 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,394 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,919 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,720 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,695 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,667,594 |
| Landlocked Countries | 0 | - | 4.99 | 423,051 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 580,418 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,636 |
| Merged Countries #2 | 0 | - | 4.96 | 99,347 |
| Merged Countries #6 | 0 | - | 4.90 | 73,566 |
| Merged Countries #7 | 0 | - | 4.93 | 82,911 |
| Satellite Images #1 | 0 | - | 4.47 | 129,530 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,444 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,025 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,051 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,064 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,267 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,766 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,138 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,574 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,591 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,318 |
| World Capitals Quiz | 0 | - | 5.00 | 5,089,927 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,032 |
| Himalayan Countries | 0 | - | 4.95 | 139,192 |
| Andean Countries | 0 | - | 4.93 | 84,882 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,100 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,238 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,676 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,994 |
| Danube Countries | 0 | - | 4.97 | 72,140 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,195 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,545 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,539 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,049 |
| European Landlocked Countries | 0 | - | 4.99 | 147,284 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,843 |
| Countries with the Most Species | 0 | - | 4.99 | 103,351 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,966 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,648 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,768 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,621 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,370 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,790 |
| Countries in the Alps | 0 | - | 4.87 | 118,365 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,773 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,293 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,759 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,721 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,643 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,043 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,819 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,611 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,249 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,956 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,723 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,595 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,330 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,569 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,637 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,170 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,404 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,779 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,256 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,523 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,436 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,314 |
| Largest Countries By Category | 0 | - | 4.97 | 158,405 |
| Countries by Countries | 0 | - | 4.96 | 63,361 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,854 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,328 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,592 |
| Merged Country Flags | 0 | - | 4.88 | 107,066 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,985 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,131 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,894 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,795 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,786,211 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,807 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,897 |
| Geography by Picture - A | 0 | - | 4.39 | 60,345 |
| Geography by Picture - D | 0 | - | 4.15 | 45,724 |
| Geography by Picture - F | 0 | - | 4.31 | 51,097 |
| Geography by Picture - G | 0 | - | 4.39 | 48,023 |
| Geography by Picture - J | 0 | - | 4.16 | 38,531 |
| Geography by Picture - K | 0 | - | 4.29 | 33,191 |
| Geography by Picture - C | 0 | - | 4.31 | 57,154 |
| Geography by Picture - L | 0 | - | 4.37 | 59,066 |
| Geography by Picture - M | 0 | - | 4.14 | 40,525 |
| Geography by Picture - P | 0 | - | 4.24 | 42,506 |
| Geography by Picture - S | 0 | - | 4.38 | 47,117 |
