| All Country Flags of the World | 0 | - | 5.00 | 3,679,917 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,023 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,276 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,388 |
| Flags with Crescents | 0 | - | 4.98 | 170,097 |
| Country Flag Trivia | 0 | - | 4.81 | 57,352 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,139 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,810 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,789 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,492 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,047 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,221 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,406 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,933 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,567 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,748 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,461 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,648 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,827 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,757 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,754 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,765 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,864 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,661 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,300 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,730 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,835 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,235 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,543 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,641 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,991 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,185 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,281 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,148 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,573 |
| Flags of North and South America | 0 | - | 4.99 | 374,282 |
| Flags to Languages | 0 | - | 4.95 | 173,923 |
| Former Flags | 0 | - | 4.97 | 107,974 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,030 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,696 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,640 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,056 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,594 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,929 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,304 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,824 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,842 |
| Flag Maths | 0 | - | 4.64 | 57,792 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,214 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,860 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,065 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,867 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,548 |
| World Coats of Arms | 0 | - | 4.99 | 64,708 |
| Similar Flags #1 | 0 | - | 4.75 | 130,277 |
| Similar Flags #2 | 0 | - | 4.74 | 137,567 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,889 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,044 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 171,959 |
| Emoji Flags | 0 | - | 4.35 | 44,152 |
| Countries by Road Signs | 0 | - | 4.98 | 54,023 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,752 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,344 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,394 |
| Select the World Flags | 0 | - | 4.27 | 37,834 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,167 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,994 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,558 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,259 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,335 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,000 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,581 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,422 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,890 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,006 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,980 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,492 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,826 |
| Pixelated World Map | 0 | - | 5.00 | 143,637 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,138 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,319 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,743 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,275 |
| Boundary Waters | 0 | - | 4.92 | 88,579 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,257 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,281 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,741 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,621 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,589 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,479 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,165 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,655 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,119 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,548 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,111 |
| Geography by Picture - B | 0 | - | 4.42 | 55,675 |
| Geography by Picture - H | 0 | - | 4.50 | 58,280 |
| Geography by Picture - N | 0 | - | 4.45 | 42,248 |
| Geography by Picture - R | 0 | - | 4.56 | 41,070 |
| Geography by Picture - T | 0 | - | 4.54 | 57,899 |
| Flags of Oceania | 0 | - | 5.00 | 260,505 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,700 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 63,169 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,063 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,387 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,985 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,592,075 |
| Flags of WW1 | 0 | - | 4.60 | 38,503 |
| Landlocked Countries | 0 | - | 4.99 | 422,094 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,176 |
| Satellite Images #1 | 0 | - | 4.47 | 129,485 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,402 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,988 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,009 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,043 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,181 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,841 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,713 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,032 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,430 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,438 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,843 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,523 |
| Himalayan Countries | 0 | - | 4.94 | 138,790 |
| Andean Countries | 0 | - | 4.93 | 84,643 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,836 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,876 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,462 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,827 |
| Danube Countries | 0 | - | 4.97 | 72,027 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,035 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,436 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,340 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,817 |
| European Landlocked Countries | 0 | - | 4.99 | 147,154 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,671 |
| Countries with the Most Species | 0 | - | 4.99 | 103,249 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,787 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,600 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,728 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,551 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,241 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,672 |
| Countries in the Alps | 0 | - | 4.87 | 118,226 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,182 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,056 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,664 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,603 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,527 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,956 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,689 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,505 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,187 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,862 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,663 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,533 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,240 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,484 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,539 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,929 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,320 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,937 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,100 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,996 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,157 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,244 |
| Largest Countries By Category | 0 | - | 4.97 | 158,233 |
| Countries by Countries | 0 | - | 4.96 | 63,241 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,703 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,295 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Merged Country Flags | 0 | - | 4.88 | 106,957 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,644 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,037 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,816 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,684 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,652 |
| Merged Countries #2 | 0 | - | 4.96 | 99,258 |
| Merged Countries #6 | 0 | - | 4.90 | 73,477 |
| Merged Countries #7 | 0 | - | 4.93 | 82,809 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,723 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,861 |
| Geography by Picture - A | 0 | - | 4.39 | 60,325 |
| Geography by Picture - D | 0 | - | 4.15 | 45,710 |
| Geography by Picture - F | 0 | - | 4.31 | 51,070 |
| Geography by Picture - G | 0 | - | 4.39 | 48,000 |
| Geography by Picture - J | 0 | - | 4.16 | 38,511 |
| Geography by Picture - K | 0 | - | 4.29 | 33,172 |
| Geography by Picture - C | 0 | - | 4.31 | 57,129 |
| Geography by Picture - L | 0 | - | 4.37 | 59,037 |
| Geography by Picture - M | 0 | - | 4.14 | 40,505 |
| Geography by Picture - P | 0 | - | 4.24 | 42,479 |
| Geography by Picture - S | 0 | - | 4.38 | 47,085 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,511 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,500 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,922 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,024 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,298 |
| Longest International Borders | 0 | - | 4.99 | 265,214 |
| Countries with Three Borders | 0 | - | 4.96 | 36,620 |
