| All Country Flags of the World | 0 | - | 5.00 | 3,632,584 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,637 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,971 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,602 |
| Flags with Crescents | 0 | - | 4.98 | 168,534 |
| Country Flag Trivia | 0 | - | 4.81 | 56,479 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,053 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,972 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,622 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,880 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,425 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,878 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,206 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,740 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,833 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,633 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,377 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,369 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,113 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,095 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,928 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,141 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,230 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,996 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,696 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,175 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,502 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,898 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,056 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,047 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,368 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,561 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,690 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,246 |
| Flags of North and South America | 0 | - | 4.99 | 370,496 |
| Flags to Languages | 0 | - | 4.95 | 173,068 |
| Former Flags | 0 | - | 4.97 | 107,215 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,788 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,224 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,122 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,452 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,836 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,366 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,381 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,907 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,034 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,030 |
| Flag Maths | 0 | - | 4.64 | 57,715 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,978 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,215 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,624 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,561 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,386 |
| World Coats of Arms | 0 | - | 4.99 | 64,158 |
| Similar Flags #1 | 0 | - | 4.74 | 129,547 |
| Similar Flags #2 | 0 | - | 4.74 | 136,838 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,987 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,295 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,639 |
| Emoji Flags | 0 | - | 4.35 | 43,941 |
| Countries by Road Signs | 0 | - | 4.98 | 53,450 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,286 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,117 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,623 |
| Select the World Flags | 0 | - | 4.27 | 37,581 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,582 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,733 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,202 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,872 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,000 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,799 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,359 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,666 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,142 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,578 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,242 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,374 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,397 |
| Pixelated World Map | 0 | - | 5.00 | 142,920 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,179 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,772 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,089 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,077 |
| Boundary Waters | 0 | - | 4.92 | 88,251 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,983 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,679 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,858 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,154 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,065 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,648 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,983 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,160 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,743 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,245 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,994 |
| Geography by Picture - B | 0 | - | 4.42 | 55,507 |
| Geography by Picture - H | 0 | - | 4.50 | 58,126 |
| Geography by Picture - N | 0 | - | 4.45 | 42,118 |
| Geography by Picture - R | 0 | - | 4.56 | 40,947 |
| Geography by Picture - T | 0 | - | 4.54 | 57,754 |
| Flags of Oceania | 0 | - | 5.00 | 257,158 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,554 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,726 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,446 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,822 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,275 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,186,163 |
| Flags of WW1 | 0 | - | 4.60 | 38,181 |
| Landlocked Countries | 0 | - | 4.99 | 416,950 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 562,678 |
| Satellite Images #1 | 0 | - | 4.46 | 129,195 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,153 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,789 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,794 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,891 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,675 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,786 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,392 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,389 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,325 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,592 |
| World Capitals Quiz | 0 | - | 5.00 | 5,052,232 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,062 |
| Himalayan Countries | 0 | - | 4.95 | 136,620 |
| Andean Countries | 0 | - | 4.95 | 83,549 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,803 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,090 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,473 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,064 |
| Danube Countries | 0 | - | 4.97 | 71,464 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,270 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,872 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,218 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,208 |
| European Landlocked Countries | 0 | - | 4.99 | 146,163 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,821 |
| Countries with the Most Species | 0 | - | 4.99 | 102,143 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,946 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,344 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,524 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,183 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,829 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,212 |
| Countries in the Alps | 0 | - | 4.86 | 117,377 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,928 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,960 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,276 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,768 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,863 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,279 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,018 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,011 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,833 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,371 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,377 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,215 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,752 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,023 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,031 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,770 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,917 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,448 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,272 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,172 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,645 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,848 |
| Largest Countries By Category | 0 | - | 4.97 | 157,308 |
| Countries by Countries | 0 | - | 4.96 | 62,624 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,911 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,089 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,414 |
| Merged Country Flags | 0 | - | 4.88 | 106,371 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,844 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,430 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,349 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,116 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,742,709 |
| Merged Countries #2 | 0 | - | 4.96 | 98,752 |
| Merged Countries #6 | 0 | - | 4.90 | 72,982 |
| Merged Countries #7 | 0 | - | 4.93 | 82,249 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,117 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,658 |
| Geography by Picture - A | 0 | - | 4.39 | 60,140 |
| Geography by Picture - D | 0 | - | 4.15 | 45,567 |
| Geography by Picture - F | 0 | - | 4.31 | 50,901 |
| Geography by Picture - G | 0 | - | 4.38 | 47,871 |
| Geography by Picture - J | 0 | - | 4.16 | 38,389 |
| Geography by Picture - K | 0 | - | 4.29 | 33,063 |
| Geography by Picture - C | 0 | - | 4.31 | 56,995 |
| Geography by Picture - L | 0 | - | 4.37 | 58,852 |
| Geography by Picture - M | 0 | - | 4.14 | 40,391 |
| Geography by Picture - P | 0 | - | 4.24 | 42,363 |
| Geography by Picture - S | 0 | - | 4.38 | 46,978 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,960 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,330 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,622 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,338 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,883 |
| Longest International Borders | 0 | - | 4.99 | 264,352 |
| Countries with Three Borders | 0 | - | 4.96 | 36,361 |
