| All Country Flags of the World | 0 | - | 5.00 | 3,714,892 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,166 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,288 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,520 |
| Flags with Crescents | 0 | - | 4.98 | 171,382 |
| Country Flag Trivia | 0 | - | 4.81 | 58,048 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,925 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,453 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,625 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,964 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,004 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,504 |
| Flags of North and South America | 0 | - | 4.99 | 377,111 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,371 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,364 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,935 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,212 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,632 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,354 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,685 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,422 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,360 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,372 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,300 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,366 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,152 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,753 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,167 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,109 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,501 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,936 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,085 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,428 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,672 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,750 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,712 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,795 |
| Flags to Languages | 0 | - | 4.95 | 174,531 |
| Former Flags | 0 | - | 4.97 | 108,606 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,243 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,040 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,018 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,595 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,753 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,871 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,232 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,101 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,278 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,605 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,378 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,450 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,101 |
| Flag Maths | 0 | - | 4.61 | 57,848 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,880 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,192 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,269 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,069 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,647 |
| World Coats of Arms | 0 | - | 4.99 | 65,166 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,736 |
| Similar Flags #1 | 0 | - | 4.75 | 130,807 |
| Similar Flags #2 | 0 | - | 4.74 | 138,087 |
| Emoji Flags | 0 | - | 4.35 | 44,293 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 62,067 |
| Countries by Road Signs | 0 | - | 4.98 | 54,357 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,382 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,129 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,167 |
| Select the World Flags | 0 | - | 4.28 | 37,996 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,541 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,562 |
| Flags of WW1 | 0 | - | 4.60 | 38,699 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,023 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,782 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,495 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,539 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,133 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,704 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,423 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,064 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,224 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,694 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,359 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,468 |
| Pixelated World Map | 0 | - | 5.00 | 144,122 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 43,920 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,713 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,214 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,426 |
| Countries Mentioned in the Bible | 0 | - | 4.96 | 67,636 |
| Flags of Oceania | 0 | - | 5.00 | 262,771 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,612 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,466 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,468 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,786 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,482 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,427 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,407 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,799 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,380 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,698 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,228 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,382 |
| Geography by Picture - N | 0 | - | 4.45 | 42,340 |
| Geography by Picture - R | 0 | - | 4.56 | 41,147 |
| Geography by Picture - T | 0 | - | 4.54 | 58,001 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,572 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,996 |
| African Countries with the Most Christians | 0 | - | 4.94 | 76,109 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,729 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,346 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 137,338 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,897 |
| Boundary Waters | 0 | - | 4.92 | 88,772 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,714 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,360 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,977 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,983 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,824 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,888,840 |
| Landlocked Countries | 0 | - | 4.99 | 426,013 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,090 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,871 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,807 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,880 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.88 | 53,944 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,021 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 151,230 |
| Merged Countries #2 | 0 | - | 4.96 | 99,888 |
| Merged Countries #4 | 0 | - | 4.81 | 94,133 |
| Merged Countries #6 | 0 | - | 4.90 | 73,817 |
| Merged Countries #7 | 0 | - | 4.93 | 83,161 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,320 |
| Satellite Images #1 | 0 | - | 4.46 | 130,005 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,698 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,400 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,250 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,226 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,590 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,933 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,411 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,007 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,019 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,442 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,719 |
| World Capitals Quiz | 0 | - | 5.00 | 5,106,836 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,349 |
| Himalayan Countries | 0 | - | 4.93 | 140,310 |
| Andean Countries | 0 | - | 4.94 | 85,501 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,644 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,053 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,217 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,460 |
| Danube Countries | 0 | - | 4.97 | 72,418 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,614 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,855 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,156 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,640 |
| European Landlocked Countries | 0 | - | 4.99 | 147,621 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,325 |
| Countries with the Most Species | 0 | - | 4.99 | 103,574 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,429 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,781 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,892 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,849 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,588 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,028 |
| Countries in the Alps | 0 | - | 4.87 | 118,798 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,671 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,897 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,971 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,037 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,976 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,276 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,424 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,877 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,436 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,192 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,889 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,752 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,569 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,811 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,904 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,881 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,626 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 73,754 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,691 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,773 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,189 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,518 |
| Hindu Countries | 0 | - | 4.87 | 50,583 |
| Largest Countries By Category | 0 | - | 4.97 | 158,885 |
| Countries by Countries | 0 | - | 4.96 | 63,658 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,282 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,404 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,676 |
| Merged Country Flags | 0 | - | 4.88 | 107,385 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,031 |
