marsnut SMALL GAMES. BIG CURIOSITY.

WELCOME TO YOUR LITTLE PLAYNET

A little science.
A lot of play.

Cell Biology & Plant Science.
Free to play. Nothing to install.

FIND YOUR NEXT DISCOVERY

Explore by subject.

Start inside a cell, or take a closer look at the plant world.

30 GAMES 2 SUBJECTS

Showing all 30 games across two subjects.

THE MICROSCOPIC WORLD

Cell Biology 28 games

Explore cells, molecules and the processes that keep life going.

A glowing defender cell surrounded by microscopic invaders01 / THE MICRO UNIVERSE2.5 MIN
ACTION · SURVIVAL

Cell Defender

Tiny cell. Mighty mission. Dodge the invaders, collect power-ups, and protect the host.

Play Cell Defender
Illustrated peroxisomes processing fatty acids and clearing hydrogen peroxide02 / THE CELLULAR DETOX LAB90 SEC / PATROL
MANAGEMENT · CELL BIOLOGY

Peroxisome Patrol

Shorten fatty acid chains, manage peroxide, and balance catalase defenses across three peroxisomes.

Play Peroxisome Patrol
Illustrated cutaway of an acidic lysosome with digestive cargo03 / THE CELLULAR RECYCLING LAB90 SEC / MISSION
PUZZLE · CELL BIOLOGY

Lysosome Escape Room

Restore an acidic lumen, match digestive enzymes to cargo, and export recycled products to open three locks.

Play Lysosome Escape Room
Illustrated cell with mitochondrion, peroxisome and antioxidant enzyme proteins04 / THE REDOX CONTROL ROOM2 MIN / ROUND
STRATEGY · REDOX BIOLOGY

ROS Defense

Deploy antioxidant enzymes, recycle glutathione, and preserve signaling while controlling reactive oxygen species.

Play ROS Defense
Defender cell facing viral and bacterial foes in a microscopic combat arena05 / THE CELLULAR COMBAT ARENA2 MIN / BATTLE
ACTION · CELL DEFENSE

ATP Budget

Dodge invading foes, fire defense pulses, guard and dash while managing ATP in a cellular combat arena.

Play ATP Budget
Cultured cell colonies responding to their local environment06 / THE CELL CULTURE LAB2 MIN / ROUND
STRATEGY · CELL BIOLOGY

Cell Colony

Manage a growing colony, compare local conditions, and investigate five cell-culture scenarios.

Play Cell Colony
DNA regulatory regions with bound proteins and transcription machinery07 / THE GENE REGULATION LAB2 MIN / ROUND
PUZZLE · GENE REGULATION

Gene Switch

Combine compatible transcription factors, enhancers and chromatin access across six regulation challenges.

Play Gene Switch
Endoplasmic reticulum protein-folding and disposal machinery08 / THE PROTEIN QUALITY LAB2 MIN / ROUND
MANAGEMENT · CELL BIOLOGY

ER Stress Manager

Manage protein load, folding, disposal and UPR responses, then investigate recovery and apoptosis evidence.

Play ER Stress Manager
A mammalian cell source delivers a ligand to a receptor-bearing receiver09 / THE INTERCELLULAR LAB2.5 MIN / MISSION
INVESTIGATION · CELL BIOLOGY

Cell Communication Network

Build signaling networks, compare controlled experiments, and explain why cells respond across eight investigations.

Play Cell Communication Network
Polarized microtubule with ATP-powered motor proteins transporting cellular cargo10 / THE CELLULAR TRANSPORT LAB2.5 MIN / SESSION
TRANSPORT · CELL BIOLOGY

Microtubule Highway

Attach the right motor, manage ATP, rebuild dynamic tracks, and deliver cargo through seven cellular transport lessons.

Play Microtubule Highway
Arabidopsis pollen tube with a distinct wall and membrane, actin cables, secretory vesicles and a localized guidance cue11 / THE CYTOSKELETON LAB2.5 MIN / MISSION
MANAGEMENT · PLANT CELL BIOLOGY

Actin Builder

Build a renewable actin network, coordinate transport and secretion, and guide polarized pollen-tube growth.

Play Actin Builder
Illustrated Arabidopsis root cell files and stem-cell niche for an evidence-based plant fate investigation12 / THE ROOT CELL INVESTIGATION2.5 MIN / ROUND
INVESTIGATION · PLANT CELL BIOLOGY

Plant Cell Fate Decision

Weigh evolving evidence for recovery, protective arrest and plant PCD across six Arabidopsis root-cell cases.

Play Plant Cell Fate Decision
Phospholipid bilayer with cholesterol, a glycoprotein, a transport protein, and an approaching virus13 / THE MEMBRANE DEFENSE30 SEC / MISSION
STRATEGY · MEMBRANE DEFENSE

Membrane Lipid Commando

Build the bilayer, stabilize weak regions, recognize invaders, and control transport through five defense missions.

Play Membrane Lipid Commando
mRNA Workshop molecular game illustration14 / THE RNA PROCESSING ROOM2.5 MIN
PUZZLE · RNA PROCESSING

mRNA Workshop

Remove introns, join exons, add a cap and poly-A tail, and export mature mRNA from the nucleus.

Play mRNA Workshop
Second Messenger Dash molecular game illustration15 / THE MESSENGER NETWORK2.5 MIN
ACTION · SIGNAL TIMING

Second Messenger Dash

Catch calcium, cAMP, IP3, and DAG, activate their downstream targets, and keep signal overload under control.

Play Second Messenger Dash
Signal Cascade molecular game illustration16 / THE SIGNALING PATHWAY2.5 MIN
PUZZLE · SIGNALING

Signal Cascade

Arrange proteins, enzymes, and second messengers to carry a signal from the receptor to a cellular response.

Play Signal Cascade
A cell with chromosomes and spindle attachments under inspection17 / THE CELL CYCLE INSPECTION2.5 MIN
SIMULATION · CELL CYCLE

Checkpoint Inspector

Inspect DNA, replication, and chromosome attachments. Use the evidence to allow progression, hold for correction, or stop division.

Play Checkpoint Inspector
Colorful signaling molecules matching cell-surface receptors18 / THE SIGNALING SURFACE1.5 MIN
ACTION · MATCHING

Receptor Go

Read each molecular shape, match the ligand to its receptor, and keep cellular signals moving.

Play Receptor Go
A red blood cell suspended in solutions of changing concentration19 / THE WATER BALANCE1.5 MIN
SIMULATION · OSMOSIS

Osmosis Lab

Control water and salt, read the concentration gradient, and keep the cell from swelling or shrinking.

Play Osmosis Lab
Cells evolving from simple molecules into complex organisms20 / THE ORIGIN OF COMPLEXITY1.5 MIN
MERGE · EVOLUTION

Cell Evolution

Merge simple molecules into living cells, choose a biological path, and race toward a multicellular organism.

Play Cell Evolution
A luminous leaf and chloroplast production network21 / THE LIVING NETWORK2.5 MIN
MANAGEMENT · GROWTH

Photosynthesis Factory

Gather light, water, and carbon dioxide. Engineer the pathway and grow a living world from one chloroplast.

Play Photosynthesis Factory
A substrate approaching the active site of an enzyme22 / THE REACTION CHAMBER2 MIN
PUZZLE · SPECIFICITY

Enzyme Match

Read the active site, choose the compatible substrate, and keep reacting as inhibitors raise the pressure.

Play Enzyme Match
A glowing mitochondrion racing through a microscopic cell23 / THE ENERGY RUN2.5 MIN
ACTION · ENDURANCE

Mitochondria Rush

Race through the cell. Gather oxygen, fuel, and ADP while keeping the ATP flowing and damage at bay.

Play Mitochondria Rush
A living cell defending itself from colorful viral particles24 / THE VIRAL OUTBREAK2.5 MIN
STRATEGY · DEFENSE

Virus Invasion

Contain the outbreak. Deploy molecular defenses, protect the nucleus, and hold on until immunity arrives.

Play Virus Invasion
Detailed mitochondria, chloroplasts, a nucleus and Golgi stacks floating in turquoise cytoplasm25 / THE CELLULAR PUZZLE2.5 MIN
PUZZLE · TAP & BLAST

Organelle Blast

Small tiles. Big reactions. Match organelles, spark powerful blasts, and bring your cell back to life.

Play Organelle Blast
A microscopic cell with a nucleus, rough ER, Golgi and protein-filled vesicles26 / THE CELLULAR FACTORY2.5 MIN
MANAGEMENT · SIMULATION

Protein Factory

Run a living production line. Balance ATP, build proteins, and deliver each one where it belongs.

Play Protein Factory
A colorful double helix in a molecular laboratory27 / THE BUILDING BLOCKS2.5 MIN
PUZZLE · BASE PAIRING

DNA Builder

Crack the code of life. Pair the bases, repair the helix, and build one bond at a time.

Play DNA Builder
Colorful glass flasks and test tubes on a laboratory bench28 / THE CHEMISTRY LAB2 MIN
PUZZLE · MATCH 3

Lab Match

A perfect match starts a chain reaction. Swap glassware and keep the combos coming.

Play Lab Match

THE BOTANICAL WORLD

Plant Science 2 games

Build plant cells and discover the roles of their organelles.

For the curious at heart. A pocket-sized collection of science-inspired games.
Made for a quick break, a little discovery, and one more round.

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