| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,092 |
| 20 Random Country Flags | 0 | - | 4.99 | 616,058 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,630 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,768 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,307 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,834 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,089 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,773 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,018 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,046 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,971 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,978 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,960 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,035 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,835 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,458 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,889 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,916 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,323 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,806 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,175 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,364 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,444 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,366 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,660 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,109 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,766 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,686 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,214 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,119 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,363,046 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,060 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,400 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,690 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,317 |
| World Map without 12 Countries | 0 | - | 4.97 | 345,359 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 101,745 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 908,629 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 417,742 |
| Every Country Shape | 0 | - | 5.00 | 468,800 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,554,754 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,786 |
| Flags of North and South America | 0 | - | 4.99 | 375,244 |
| Former Flags | 0 | - | 4.97 | 108,156 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,714 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,600 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,091 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,956 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 296,682 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,262 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,769 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 39,101 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 33,182 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,850 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,874 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,518 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,649 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,937 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,447 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,149 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,535 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 78,054 |
| A Square of Merged Countries #1 | 0 | - | 4.89 | 59,859 |
| Country Shapes Slideshow | 0 | - | 4.81 | 39,713 |
| Random Country Shape to Country | 0 | - | 4.90 | 114,618 |
| A Square of Merged Countries #2 | 0 | - | 4.97 | 41,783 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,520 |
| Flags of Oceania | 0 | - | 5.00 | 261,292 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,016 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 87,330 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 524,398 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 185,049 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 185,054 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 338,684 |
| Flags of the Countries that Start with C | 0 | - | 4.88 | 130,448 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 154,331 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 43,255 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 127,667 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,724,850 |
| Similar Flags #1 | 0 | - | 4.75 | 130,440 |
| Similar Flags #2 | 0 | - | 4.74 | 137,744 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,921 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,597 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,842 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,261 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,935 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,399 |
| Countries by Road Signs | 0 | - | 4.98 | 54,150 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,999 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 126,783 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 127,000 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 86,718 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 65,063 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 76,119 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,549 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 60,353 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.87 | 42,168 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.88 | 53,733 |
| Merged Countries #2 | 0 | - | 4.96 | 99,370 |
| Merged Countries #6 | 0 | - | 4.90 | 73,587 |
| Merged Countries #7 | 0 | - | 4.93 | 82,935 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,401 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,689,081 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 60,524 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 72,216 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,110 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,210 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,417 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,970 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,131 |
| Pixelated World Map | 0 | - | 5.00 | 143,796 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,924 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,577 |
| World Coats of Arms | 0 | - | 4.99 | 64,838 |
| Landlocked Countries | 0 | - | 4.99 | 423,309 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 581,565 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,788,146 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,779 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,075 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,938 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 408,195 |
| Island Countries | 0 | - | 4.99 | 711,550 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,139 |
| Himalayan Countries | 0 | - | 4.94 | 139,319 |
| Andean Countries | 0 | - | 4.93 | 84,934 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,152 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,318 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,728 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,042 |
| Danube Countries | 0 | - | 4.97 | 72,160 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,238 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,567 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,597 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,104 |
| European Landlocked Countries | 0 | - | 4.99 | 147,318 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,885 |
| Countries with the Most Species | 0 | - | 4.99 | 103,372 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,017 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,660 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,776 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,639 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,397 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,806 |
| Countries in the Alps | 0 | - | 4.87 | 118,418 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,885 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,344 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,777 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,754 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,665 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,064 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,854 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,637 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,265 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,988 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,738 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,610 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,347 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,598 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,664 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,246 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,432 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,944 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,286 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,667 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,507 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,335 |
| Largest Countries By Category | 0 | - | 4.97 | 158,456 |
| Countries by Countries | 0 | - | 4.96 | 63,390 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,387,155 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,911 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,332 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,602 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,093 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,164 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,828 |
| Every American Country by Shape | 0 | - | 4.79 | 37,326 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,589 |
| Northernmost Countries | 0 | - | 4.99 | 362,654 |
| Countries of South America | 0 | - | 5.00 | 929,229 |
| Countries of Oceania | 0 | - | 5.00 | 1,059,268 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,881,556 |
| "Land" Countries | 0 | - | 4.98 | 337,714 |
| Africa Map with Random Merged Countries | 0 | - | 4.94 | 74,099 |
| Cross Flags of Europe | 0 | - | 4.43 | 299,761 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,646 |
| Pixelated Country Shapes #1 | 0 | - | 4.75 | 72,419 |
| Pixelated Country Shapes #2 | 0 | - | 4.75 | 67,681 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 95,156 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.89 | 73,100 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 71,969 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 69,997 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 62,041 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 59,122 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 57,384 |
| Name a Country A-Z | 0 | - | 5.00 | 244,678 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,173 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 159,059 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 84,005 |
| Flags of the Middle East | 0 | - | 4.69 | 62,748 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,388 |