| Former Countries by Territory Map | 0 | - | 4.96 | 101,806 |
| Empires by Maps | 0 | - | 4.98 | 118,829 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,038 |
| Name that Object #1 | 0 | - | 3.56 | 96,332 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,989 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,126 |
| All Country Flags of the World | 0 | - | 5.00 | 3,612,958 |
| Years in History by Picture | 0 | - | 4.44 | 35,175 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,336 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,264 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,337 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,325 |
| Old Movies by Picture | 0 | - | 4.51 | 24,871 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,740 |
| Name that Object #2 | 0 | - | 3.64 | 15,342 |
| Name that Object #3 | 0 | - | 3.93 | 14,317 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,937 |
| Flags with Crescents | 0 | - | 4.98 | 167,886 |
| Country Flag Trivia | 0 | - | 4.81 | 56,104 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,624 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,609 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,142 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,599 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,508 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,179 |
| Random Logos Quiz | 0 | - | 4.31 | 207,244 |
| National Football Team Logos | 0 | - | 4.84 | 178,981 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,175 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,773 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,669 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,362 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,566 |
| Fruits by Picture | 0 | - | 4.20 | 805,128 |
| Geography by Picture - B | 0 | - | 4.42 | 55,452 |
| Geography by Picture - H | 0 | - | 4.50 | 58,076 |
| Geography by Picture - N | 0 | - | 4.45 | 42,071 |
| Geography by Picture - R | 0 | - | 4.55 | 40,902 |
| Geography by Picture - T | 0 | - | 4.54 | 57,710 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,565 |
| Flags to Languages | 0 | - | 4.95 | 172,693 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,315 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,961 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,373 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,848 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,330 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,140 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,621 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,961 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,216 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,353 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,898 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,655 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,522 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,173 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,860 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 533,339 |
| Name that Bug | 0 | - | 4.12 | 45,467 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,204 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,673 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,459 |
| Elements by Picture | 0 | - | 4.28 | 69,626 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,186 |
| Islands by Picture | 0 | - | 4.29 | 106,090 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,091 |
| Geography by Picture - A | 0 | - | 4.39 | 60,081 |
| Geography by Picture - D | 0 | - | 4.15 | 45,525 |
| Geography by Picture - F | 0 | - | 4.31 | 50,855 |
| Geography by Picture - G | 0 | - | 4.38 | 47,825 |
| Geography by Picture - J | 0 | - | 4.16 | 38,355 |
| Geography by Picture - K | 0 | - | 4.29 | 33,035 |
| Geography by Picture - C | 0 | - | 4.31 | 56,940 |
| Geography by Picture - L | 0 | - | 4.37 | 58,796 |
| Geography by Picture - M | 0 | - | 4.14 | 40,362 |
| Geography by Picture - P | 0 | - | 4.24 | 42,321 |
| Geography by Picture - S | 0 | - | 4.38 | 46,935 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,881 |
| Movie Logos | 0 | - | 4.33 | 236,336 |
| History by Picture - A | 0 | - | 4.25 | 45,517 |
| History by Picture - B | 0 | - | 4.40 | 48,647 |
| History by Picture - C | 0 | - | 4.36 | 54,159 |
| History by Picture - F | 0 | - | 4.35 | 37,644 |
| History by Picture - G | 0 | - | 4.40 | 41,899 |
| History by Picture - D | 0 | - | 4.29 | 44,066 |
| History by Picture - E | 0 | - | 4.27 | 43,679 |
| History by Picture - H | 0 | - | 4.37 | 36,591 |
| History by Picture - K | 0 | - | 4.35 | 33,155 |
| History by Picture - M | 0 | - | 4.17 | 35,954 |
| History by Picture - N | 0 | - | 4.40 | 41,041 |
| History by Picture - O | 0 | - | 4.39 | 36,088 |
| History by Picture - T | 0 | - | 4.20 | 33,141 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,407 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,073 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,065 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,320 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,977 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,241 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,945 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,814 |
| International Footballers by Picture | 0 | - | 4.50 | 54,890 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,016 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,816 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,387 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,741 |
| Flag Maths | 0 | - | 4.78 | 57,692 |
| Satellite Images #1 | 0 | - | 4.46 | 129,080 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,046 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,700 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,694 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,843 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,547 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,472 |
| Soccer Team Logos | 0 | - | 4.26 | 371,463 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 176,971 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,731 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,943 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,346 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,453 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,930 |
| Foods by Picture | 0 | - | 3.81 | 225,596 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,080 |
| Christmas by Picture | 0 | - | 4.25 | 28,116 |
| Hats by Picture | 0 | - | 4.21 | 17,914 |
| Weapons by Picture | 0 | - | 4.13 | 20,911 |
| Cars by Picture | 0 | - | 3.89 | 41,147 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,243 |
| Plants by Picture | 0 | - | 4.24 | 14,359 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,925 |
| Women in History by Picture | 0 | - | 4.25 | 25,785 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,683 |
| Geography by Picture - E | 0 | - | 3.55 | 47,292 |
| Landforms by Picture | 0 | - | 4.31 | 20,592 |
| Geography by Picture - I | 0 | - | 4.00 | 39,333 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,662 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,318 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,033 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,547 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,311 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,818 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,025 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,868 |
| History by Picture - I | 0 | - | 4.26 | 26,057 |
| History by Picture - J | 0 | - | 4.18 | 26,570 |
| History by Picture - L | 0 | - | 4.18 | 30,596 |
| History by Picture - P | 0 | - | 4.08 | 25,142 |
| History by Picture - Q | 0 | - | 4.03 | 21,945 |
| History by Picture - R | 0 | - | 4.13 | 26,681 |
| History by Picture - S | 0 | - | 4.14 | 27,633 |
| History by Picture - U | 0 | - | 4.24 | 24,978 |
| History by Picture - V | 0 | - | 4.30 | 24,951 |
| History by Picture - W | 0 | - | 4.01 | 21,523 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,574 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,812 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,102 |
| Flowers by Picture | 0 | - | 4.46 | 105,063 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,567 |
| Authors by Picture | 0 | - | 4.48 | 25,415 |
| Fruit and Vegetable Emojis | 0 | - | 4.43 | 79,624 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,234 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,305 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,477 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,505 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,171 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,006 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,829 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,949 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,229 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,935 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,561 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,093 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,179 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,967 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,322 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,067 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,026 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,718 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,966 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,927 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,221 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,581 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,410 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,489 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,192 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,445 |
| Emoji Flags | 0 | - | 4.35 | 43,857 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,291 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,273 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,842 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,204 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,690 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,252 |
| Airline Logos | 0 | - | 4.45 | 140,081 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,405,637 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,192 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,062 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,883 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,833 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,369 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,135 |
| Vegetables by Picture | 0 | - | 4.39 | 62,953 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,921 |
