| All Country Flags of the World | 0 | - | 5.00 | 3,620,582 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,696 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,991 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,815 |
| Flags with Crescents | 0 | - | 4.98 | 168,091 |
| Country Flag Trivia | 0 | - | 4.81 | 56,211 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,768 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,731 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,303 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,695 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,604 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,268 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,880 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,598 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,981 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,459 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,665 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,296 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,141 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,040 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,958 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,952 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,734 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,996 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,075 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,847 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,560 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,039 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,426 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,814 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,954 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,924 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,228 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,402 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,534 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,184 |
| Flags of North and South America | 0 | - | 4.99 | 369,284 |
| Flags to Languages | 0 | - | 4.95 | 172,852 |
| Former Flags | 0 | - | 4.97 | 107,009 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,730 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,177 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 44,001 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,508 |
| 20 Random Country Flags | 0 | - | 4.99 | 607,192 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,279 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,789 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,262 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,810 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,815 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,813 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,032 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 96,250 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,758 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,126 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,016 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,338 |
| Flag Maths | 0 | - | 4.69 | 57,696 |
| South China Sea Countries | 0 | - | 4.78 | 57,556 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,771 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,114 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,558 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,487 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,342 |
| World Coats of Arms | 0 | - | 4.99 | 64,051 |
| Similar Flags #1 | 0 | - | 4.74 | 129,377 |
| Similar Flags #2 | 0 | - | 4.74 | 136,652 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,584 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,415 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,449 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,705 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,464 |
| Emoji Flags | 0 | - | 4.35 | 43,890 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,687 |
| Countries by Road Signs | 0 | - | 4.98 | 53,302 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 22,737 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,189 |
| Select the World Flags | 0 | - | 4.27 | 37,498 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,076 |
| Category Elimination - Country Flags #2 | 0 | - | 4.57 | 60,914 |
| Name a Valid Country Flag | 0 | - | 4.67 | 75,080 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,613 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,618 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,768 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,232,177 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,885 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,152 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,800 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,947 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,758 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,306 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,549 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,083 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,517 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,717 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,851 |
| Pixelated World Map | 0 | - | 5.00 | 142,744 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.61 | 43,358 |
| Flags of WW1 | 0 | - | 4.60 | 38,087 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,946 |
| European Cities by Picture #2 | 0 | - | 4.45 | 38,025 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,602 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,495 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,960 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,116 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,670 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,214 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,968 |
| Merged Company Logos #3 | 0 | - | 4.49 | 64,139 |
| Flags of Oceania | 0 | - | 5.00 | 256,423 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,300 |
| Flag Vocabulary Mega-Challenge | 0 | - | 4.34 | 27,024 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,623 |
| African Great Lakes | 0 | - | 4.82 | 65,542 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,748 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,708 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,303 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,666 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,110 |
| U.S. State Capitals Closest to the Mississippi River | 0 | - | 4.85 | 18,316 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,157 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,256 |
| Merged Countries #2 | 0 | - | 4.96 | 98,629 |
| Merged Countries #6 | 0 | - | 4.90 | 72,872 |
| Merged Countries #7 | 0 | - | 4.92 | 82,117 |
| Geography by Picture - B | 0 | - | 4.42 | 55,475 |
| Geography by Picture - H | 0 | - | 4.50 | 58,093 |
| Geography by Picture - N | 0 | - | 4.45 | 42,088 |
| Geography by Picture - R | 0 | - | 4.56 | 40,918 |
| Geography by Picture - T | 0 | - | 4.54 | 57,725 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,038 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,366 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,240 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,082,374 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,295 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,220 |
| Merged Company Logos #4 | 0 | - | 4.39 | 52,160 |
| Satellite Images #1 | 0 | - | 4.46 | 129,127 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,093 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,740 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,735 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,864 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,563 |
| Movies with Landforms in the Name | 0 | - | 4.16 | 50,331 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,541 |
| Sea in the Answers | 0 | - | 4.10 | 48,651 |
| Boundary Waters | 0 | - | 4.92 | 88,152 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,909 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,537 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,644 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,028 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,936 |
| World Capitals Quiz | 0 | - | 5.00 | 5,044,568 |
| Landlocked Countries | 0 | - | 4.99 | 415,647 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 558,774 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,733,149 |
| Places by Country - Tile Select | 0 | - | 4.31 | 14,002 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,709,863 |
| Geography by Picture - A | 0 | - | 4.39 | 60,106 |
| Geography by Picture - D | 0 | - | 4.15 | 45,540 |
| Geography by Picture - F | 0 | - | 4.31 | 50,873 |
| Geography by Picture - G | 0 | - | 4.38 | 47,842 |
| Geography by Picture - J | 0 | - | 4.16 | 38,365 |
| Geography by Picture - K | 0 | - | 4.29 | 33,044 |
| Geography by Picture - C | 0 | - | 4.31 | 56,966 |
| Geography by Picture - L | 0 | - | 4.37 | 58,822 |
| Geography by Picture - M | 0 | - | 4.14 | 40,370 |
| Geography by Picture - P | 0 | - | 4.24 | 42,334 |
| Geography by Picture - S | 0 | - | 4.38 | 46,950 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,942 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,287 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,473 |
| European Cities by Picture #1 | 0 | - | 4.29 | 26,922 |
| Airline Logos | 0 | - | 4.45 | 140,177 |
| Major U.S. Rivers with State Names | 0 | - | 4.49 | 39,438 |
| Top 10 U.S. States with the Longest Coastline | 0 | - | 4.45 | 50,735 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,230 |
| Islands by Picture | 0 | - | 4.29 | 106,221 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,307 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,230 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,141 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,399 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,071 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,575,488 |
| Capitals by River | 0 | - | 4.55 | 48,258 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,977 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,946 |
| Island Countries | 0 | - | 4.99 | 708,445 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,426 |
| Himalayan Countries | 0 | - | 4.95 | 136,077 |
| Andean Countries | 0 | - | 4.95 | 83,224 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,544 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,706 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,229 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,872 |
| Danube Countries | 0 | - | 4.97 | 71,289 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,044 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,743 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,925 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,872 |
| European Landlocked Countries | 0 | - | 4.99 | 145,997 |
