Science &amp; Nature games

Stardle

Stardle is a daily astronomy-themed word game where you have six attempts to uncover a five-letter space-related answer. Use AstroBlue, yellow, and gray tile feedback to navigate the vocabulary of planets, objects, missions, and the wider cosmos.

3.0·2 votes

list animals until failure

Race against the clock by naming as many real animals as you can. Every valid answer adds time, but overlapping animal names do not earn extra points.

Doggle

Doggle challenges you to identify a dog’s breed from its photograph in five attempts. Play both the single-breed and mixed-breed puzzles to discover whether your canine knowledge is truly top dog.

Metazooa

Metazooa is a daily animal-taxonomy puzzle where every wrong guess adds a new branch to the evolutionary tree. Follow shared classes, orders, families, and genera to uncover the Mystery Animal within 20 guesses.

Wildlife Sudoku

Wildlife Sudoku is a daily 3×3 animal grid where every answer must satisfy both its row and column categories. Fill all nine cells, chase a perfect score, and hunt for the special animal that fits every category.

Beat Darwin

Daily animal photo quiz: pick the correct species in up to four attempts. Wildlife from iNaturalist with taxonomy and conservation notes.

PoopGuessr

Look at a wildlife photo and figure out which animal left the droppings in PoopGuessr. You get up to six guesses, with animal facts helping you narrow down the culprit.

Birdle

Birdle gives you six guesses to identify a mystery bird from photographs, range information, and taxonomic feedback. Every wrong answer can still expose the bird’s order, family, or genus, turning each miss into a clue.

Radiordle

Radiordle is a daily medical-imaging challenge where you diagnose a mystery case from an X-ray, CT scan, MRI, or ultrasound. You have five attempts, and every wrong diagnosis unlocks another hint that may rescue—or expose—your clinical reasoning.

Elemingle

Elemingle is a daily chemistry game where you swipe through element cards to locate a hidden element by atomic number. Read the properties, tighten the possible range, and identify the Mystery Element with as few mistakes as possible.

Metaflora

Metaflora is a daily plant-taxonomy game where every wrong guess grows a phylogenetic tree around the Mystery Plant. Use shared families, genera, and evolutionary branches to identify the answer within 25 guesses.

Chemdle

Chemdle is a daily organic chemistry puzzle where you study a reaction and draw the missing product in six attempts. Matching substructures and valid intermediates reveal whether your mechanism is taking shape—or heading toward chemical disaster.