Available on Android & iOS

Two apps.
One obsession.

A spider breeding simulator for the curious.
A care tracker for the dedicated keeper.

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Mobile Game

Terrarium
Spiders

Step into the world of exotic spiders. Build and personalise your terrarium, care for dozens of species — each with unique behaviours — and prepare them for strategic battles. Unlock rare mutations, discover hidden varieties, and learn real spider biology along the way.

  • Breed & collect exotic species
  • Customise your terrarium
  • Unlock rare mutations
  • Strategic spider battles
  • Learn real spider biology
  • Fully offline
250+
Species
Mutations
3
Platforms
Brachypelma hamoriiCommon
Chromatopelma cyaneopubescensRare
Poecilotheria metallicaEpic
Theraphosa blondiRare
Vitalius chromatusCommon
Active battle
P. metallica
VS
T. blondi

🦎
Pogona vitticeps
Bearded dragon · M · 2 yrs
Fed yesterday
Temp 38°C
Hum 40%
Weight 420g
🕷
Brachypelma hamorii
Mexican red knee · F · Adult
Fed 3d ago
Molt 42d ago
Temp 26°C
Upcoming reminders
Feed Pogona vitticeps
Today
Mist B. hamorii substrate
Tomorrow
UVB bulb check
In 3 days
Full terrarium cleaning
In 8 days
Keeper's Tool

Terrarium
Tracker

The care journal built for keepers who take their animals seriously. Track feedings, moults, substrate changes, temperature and humidity across your whole collection. Built-in AI assistant identifies species, answers care questions, and gives tailored advice.

  • Log feedings, moults & cleaning
  • Track temp, humidity & weight
  • AI species ID & care advice
  • Food & supplement inventory
  • Export care history to PDF
  • Community leaderboard