| All Country Flags of the World | 0 | - | 5.00 | 3,596,885 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,228 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,904 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,302 |
| Flags with Crescents | 0 | - | 4.98 | 167,379 |
| Country Flag Trivia | 0 | - | 4.81 | 55,824 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,290 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,381 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,797 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,960 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,548 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,044 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,667 |
| Flags that are Red & White Only | 0 | - | 4.97 | 157,870 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,454 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,631 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,512 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,524 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,238 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,624 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,707 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,497 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,181 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,742 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,219 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,630 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,699 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,316 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,628 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,670 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,900 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,995 |
| Flags of North and South America | 0 | - | 4.99 | 366,224 |
| Flags to Languages | 0 | - | 4.95 | 172,391 |
| Former Flags | 0 | - | 4.97 | 106,570 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,587 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,143 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,709 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,492 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,673 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,854 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,001 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,558 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,437 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,358 |
| Flag Maths | 0 | - | 4.78 | 57,667 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,262 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,917 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,413 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,332 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,258 |
| World Coats of Arms | 0 | - | 4.99 | 63,804 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,298 |
| Similar Flags #1 | 0 | - | 4.74 | 129,019 |
| Similar Flags #2 | 0 | - | 4.74 | 136,277 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,281 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,682 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,736 |
| Emoji Flags | 0 | - | 4.35 | 43,801 |
| Countries by Road Signs | 0 | - | 4.98 | 53,033 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,976 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,967 |
| Select the World Flags | 0 | - | 4.27 | 37,382 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,239 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,530 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,002 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,651 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,787 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,659 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,200 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,334 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,957 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,351 |
| Name a Valid Country Flag | 0 | - | 4.64 | 74,733 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,999 |
| Flags of Asia Quiz | 0 | - | 4.99 | 604,877 |
| Pixelated World Map | 0 | - | 5.00 | 142,330 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,633 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,329 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,632 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,913 |
| Boundary Waters | 0 | - | 4.92 | 88,016 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,793 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,211 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,186 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,789 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,680 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,216 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,894 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,025 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,527 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,138 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,906 |
| Geography by Picture - B | 0 | - | 4.42 | 55,391 |
| Geography by Picture - H | 0 | - | 4.49 | 58,026 |
| Geography by Picture - N | 0 | - | 4.45 | 42,038 |
| Geography by Picture - R | 0 | - | 4.55 | 40,869 |
| Geography by Picture - T | 0 | - | 4.54 | 57,656 |
| Flags of Oceania | 0 | - | 5.00 | 254,822 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,727 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,383 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,004 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,338 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,720 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,874,769 |
| Flags of WW1 | 0 | - | 4.60 | 37,899 |
| Landlocked Countries | 0 | - | 4.99 | 413,120 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 551,450 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,976 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,960 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,625 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,628 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,786 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,304 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,735 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,124 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,940 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,506 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,874 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,828 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,362 |
| Himalayan Countries | 0 | - | 4.95 | 135,150 |
| Andean Countries | 0 | - | 4.94 | 82,721 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,143 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,066 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,813 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,509 |
| Danube Countries | 0 | - | 4.97 | 71,026 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,687 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,482 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,348 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,270 |
| European Landlocked Countries | 0 | - | 4.99 | 145,694 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,103 |
| Countries with the Most Species | 0 | - | 4.99 | 95,213 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,252 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,186 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,344 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,924 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,537 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,893 |
| Countries in the Alps | 0 | - | 4.87 | 116,737 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,504 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,147 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,966 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,360 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,092 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,953 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,504 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,708 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,800 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,004 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,178 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,009 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,395 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,701 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,698 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,945 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,589 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,216 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,719 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,979 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,462 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,561 |
| Largest Countries By Category | 0 | - | 4.97 | 156,666 |
| Countries by Countries | 0 | - | 4.96 | 62,202 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,287 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,943 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,310 |
| Merged Country Flags | 0 | - | 4.88 | 105,951 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,493 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,038 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,006 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,698 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,935 |
| Merged Countries #2 | 0 | - | 4.96 | 98,416 |
| Merged Countries #6 | 0 | - | 4.91 | 72,662 |
| Merged Countries #7 | 0 | - | 4.92 | 81,911 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,656 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,469 |
| Geography by Picture - A | 0 | - | 4.39 | 60,030 |
| Geography by Picture - D | 0 | - | 4.15 | 45,475 |
| Geography by Picture - F | 0 | - | 4.31 | 50,815 |
| Geography by Picture - G | 0 | - | 4.38 | 47,776 |
| Geography by Picture - J | 0 | - | 4.16 | 38,328 |
| Geography by Picture - K | 0 | - | 4.28 | 33,005 |
| Geography by Picture - C | 0 | - | 4.31 | 56,894 |
| Geography by Picture - L | 0 | - | 4.37 | 58,735 |
| Geography by Picture - M | 0 | - | 4.14 | 40,338 |
| Geography by Picture - P | 0 | - | 4.24 | 42,291 |
| Geography by Picture - S | 0 | - | 4.38 | 46,900 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,503 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,222 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,417 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,235 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,574 |
| Longest International Borders | 0 | - | 4.99 | 263,425 |
| Countries with Three Borders | 0 | - | 4.96 | 36,150 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,577 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,626 |
