| Elements - Sudden Death | 0 | - | 4.91 | 126,833 |
| Body Part Cliches | 0 | - | 4.43 | 123,128 |
| Bones of the Human Body | 0 | - | 4.52 | 40,435 |
| International Scientific Units | 0 | - | 4.95 | 155,621 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,336 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,162 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,943 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,224,165 |
| Elements by Symbol | 0 | - | 4.92 | 195,819 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,807 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,569 |
| Noble Gases | 0 | - | 4.89 | 77,567 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,141 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,148 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,022 |
| Name the Virus | 0 | - | 4.86 | 76,370 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,939 |
| Famous Scientists | 0 | - | 4.57 | 42,494 |
| Body Part Words | 0 | - | 4.43 | 145,367 |
| Human Body A-Z | 0 | - | 4.51 | 128,657 |
| Memory Test - Sudden Death | 0 | - | 4.91 | 331,505 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,656 |
| Elemental Words | 0 | - | 4.96 | 52,045 |
| Metals of Antiquity | 0 | - | 4.94 | 92,996 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,701 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,913 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,339 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,838 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,625 |
| Olympic Host Countries - Sudden Death | 0 | - | 4.91 | 117,031 |
| True or False - Sudden Death | 0 | - | 4.93 | 148,912 |
| Arrow Puzzle #1 - Sudden Death | 0 | - | 4.84 | 105,244 |
| Countries that Use the Euro - Sudden Death | 0 | - | 4.93 | 244,557 |
| Be Happy - Sudden Death | 0 | - | 4.91 | 115,047 |
| Landlocked Countries - Sudden Death | 0 | - | 4.97 | 159,113 |
| Scientific Names | 0 | - | 4.32 | 78,215 |
| Famous Effects | 0 | - | 4.62 | 12,175 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,121 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,924 |
| Random Symbol to Element | 0 | - | 4.88 | 92,345 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,566 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,246 |
| Astronomy Quiz | 0 | - | 4.90 | 81,877 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,974 |
| Solar System Trivia | 0 | - | 4.93 | 46,147 |
| Body Parts - No Vowels | 0 | - | 4.15 | 25,126 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,333 |
| Click the Planet | 0 | - | 4.96 | 90,407 |
| Capital Cities - Sudden Death | 0 | - | 4.99 | 269,943 |
| Countries With 100 Million People - Sudden Death | 0 | - | 4.96 | 160,084 |
| Countries With a Population Under 1 Million - Sudden Death | 0 | - | 4.93 | 83,487 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,075 |
| Click the Chemical Element | 0 | - | 4.96 | 79,439 |
| Most Common Body Part Words | 0 | - | 3.88 | 31,555 |
| Name a Valid Answer - Science | 0 | - | 4.78 | 40,206 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,434 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.52 | 12,033 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,803 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,048 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,544 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,327 |
| Word Chain - Science | 0 | - | 4.59 | 54,451 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,436 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,373 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,423 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,091,810 |
| Environmental Issues | 0 | - | 4.54 | 26,744 |
| Prime Numbers - Sudden Death | 0 | - | 4.62 | 96,968 |
| Be Sad - Sudden Death | 0 | - | 4.74 | 75,613 |
| Equatorial Countries - Sudden Death | 0 | - | 4.74 | 58,372 |
| Ivy League Universities - Sudden Death | 0 | - | 4.74 | 50,614 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,700 |
| The Sun Quiz | 0 | - | 4.93 | 34,196 |
| First Names of Scientists | 0 | - | 4.50 | 56,533 |
| Groups of Two - Science | 0 | - | 4.26 | 48,164 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,466 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,712 |
| Science Decoder | 0 | - | 4.52 | 28,665 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,183 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,131 |
| Science True or False | 0 | - | 4.35 | 40,027 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,848 |
| Elements by Picture | 0 | - | 4.28 | 69,622 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,306 |
| Name a Valid Element | 0 | - | 4.64 | 69,654 |
| Medical Acronyms | 0 | - | 4.43 | 96,358 |
| Medical Vocabulary | 0 | - | 4.54 | 58,705 |
| Spielberg Movie Images - Sudden Death | 0 | - | 4.46 | 53,313 |
| Real People - Sudden Death #1 | 0 | - | 4.13 | 104,868 |
| Birds - Sudden Death | 0 | - | 4.53 | 66,941 |
| Tom Hanks Movies - Sudden Death | 0 | - | 4.59 | 62,626 |
| Most Populated Countries - Sudden Death | 0 | - | 4.65 | 66,775 |
| NBA Champion Players - Sudden Death | 0 | - | 4.56 | 124,506 |
| Birthstones by Month | 0 | - | 4.41 | 80,517 |
| "Ologies" Quiz | 0 | - | 4.34 | 96,436 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,324 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,382 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,714 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,109 |
| Element... or Pokémon? | 0 | - | 4.98 | 130,456 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,861 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,293 |
| Planets - Multiple Choice | 0 | - | 4.41 | 53,225 |
| Medical Specialties | 0 | - | 4.29 | 91,027 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.67 | 54,408 |
| Christmas Songs - Sudden Death | 0 | - | 4.23 | 49,154 |
| The Pluto Quiz | 0 | - | 4.61 | 9,792 |
| Citrus Fruits | 0 | - | 3.63 | 41,972 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,243 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,360 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,301 |
| Astronomy Decoder | 0 | - | 4.50 | 37,879 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,402 |
| The Mars Quiz | 0 | - | 4.55 | 18,587 |
| The Saturn Quiz | 0 | - | 4.54 | 11,513 |
| The Diseases They Had | 0 | - | 4.15 | 13,916 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,752 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,669 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,983 |
| Name the Constellations | 0 | - | 4.58 | 44,722 |
| Astronomy True or False | 0 | - | 4.39 | 36,298 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,031 |
| The Venus Quiz | 0 | - | 4.21 | 6,895 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,068 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,100 |
| Elements Named for Countries | 0 | - | 4.52 | 24,453 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,656 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,064 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,383 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,342 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 44,954 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.12 | 22,785 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,563 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,118 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,298 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,488 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,813 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,701 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,151 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,404 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,716 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,479 |
| Least-Forested Countries | 0 | - | 4.53 | 64,946 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,230 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,231 |
| Most Forested European Countries | 0 | - | 4.80 | 74,979 |
| Least Forested European Countries | 0 | - | 4.25 | 53,822 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,478 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,705 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,352 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,775 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,469 |
| Countries with Glaciers | 0 | - | 4.97 | 104,736 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,084 |
| Italian Cities - Sudden Death | 0 | - | 4.96 | 68,774 |
| U.S. National Parks – Sudden Death | 0 | - | 4.62 | 42,932 |
| Republican U.S. Presidents - Sudden Death | 0 | - | 4.80 | 45,352 |
| 1990s Movies - Sudden Death | 0 | - | 4.73 | 29,688 |
| Countries With High Population Density - Sudden Death | 0 | - | 4.92 | 36,529 |
| Canadian Cities - Sudden Death | 0 | - | 4.96 | 46,005 |
| Countries With Low Population Density - Sudden Death | 0 | - | 4.67 | 21,599 |
| Cities of California - Sudden Death | 0 | - | 4.58 | 35,486 |
| 1980s Movies - Sudden Death | 0 | - | 4.61 | 23,420 |
| Formula 1 Drivers - Sudden Death | 0 | - | 4.41 | 21,451 |
| Super Bowl Winners - Sudden Death | 0 | - | 4.53 | 37,504 |
| Every European Flag - Sudden Death | 0 | - | 4.96 | 375,006 |
| Every American Flag - Sudden Death | 0 | - | 4.88 | 67,155 |
| Every African Flag - Sudden Death | 0 | - | 4.97 | 71,024 |
| Smallest 25 U.S. States - Sudden Death | 0 | - | 4.56 | 144,902 |
| NATO Members - Sudden Death | 0 | - | 4.94 | 146,094 |
| Modern Rappers - Sudden Death | 0 | - | 4.31 | 120,599 |
| U.S. Presidents - Sudden Death | 0 | - | 4.78 | 170,124 |
| Summer Olympics Host Cities - Sudden Death | 0 | - | 4.96 | 41,631 |
| Star Wars Picture Chain - Sudden Death | 0 | - | 4.51 | 96,193 |
| Michael Jackson Songs - Sudden Death | 0 | - | 4.64 | 89,244 |
| 13 American Colonies - Sudden Death | 0 | - | 4.89 | 42,144 |
| Red, White, & Blue Flags - Sudden Death | 0 | - | 4.73 | 182,531 |
| British Bands - Sudden Death | 0 | - | 4.60 | 93,399 |
| European Capitals - Sudden Death | 0 | - | 4.93 | 208,252 |
| Queen Songs - Sudden Death | 0 | - | 4.81 | 53,194 |
| ABBA Songs - Sudden Death | 0 | - | 4.64 | 43,553 |
| "C" Countries - World Map Sudden Death | 0 | - | 4.86 | 187,565 |
| Megacities - World Map Sudden Death | 0 | - | 4.92 | 144,375 |
| Blue States - Sudden Death | 0 | - | 4.97 | 86,008 |
| U.S. State Capitals - Sudden Death | 0 | - | 4.78 | 127,730 |
| China's Neighbours - Sudden Death | 0 | - | 4.70 | 142,240 |
| Shakespeare Plays - Sudden Death | 0 | - | 4.85 | 58,362 |
| NBA MVPs - Sudden Death | 0 | - | 4.52 | 118,080 |
| American Singers – Sudden Death | 0 | - | 4.50 | 79,267 |
| NATO Phonetic Alphabet - Sudden Death | 0 | - | 4.92 | 130,827 |
| American Bands - Sudden Death | 0 | - | 4.50 | 69,758 |
| Eliminate European Cities - Sudden Death | 0 | - | 4.95 | 93,371 |
| Musical Movies - Sudden Death | 0 | - | 3.95 | 68,812 |
| Two Color Flags - Sudden Death | 0 | - | 4.96 | 95,577 |
| Indo-European Languages - Sudden Death | 0 | - | 4.68 | 32,140 |
| Countries With Same-Sex Marriage – Sudden Death | 0 | - | 4.25 | 69,742 |
| Muslim Countries - Sudden Death | 0 | - | 4.93 | 145,492 |
| K-Pop Groups - Sudden Death | 0 | - | 4.21 | 43,190 |
| North American Pro Sports Teams – Sudden Death | 0 | - | 4.55 | 52,879 |
| NBA Cities - Sudden Death | 0 | - | 4.75 | 58,828 |
