Techtonica

Fire Hose Games

Limited co-op data · 38/100

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Screenshots

Welcome to the strangely beautiful, bioluminescent, and mysterious sub-surface alien world of Techtonica. You’ll begin with only the basics for digging, mining, and resource production. Discovering everything in Techtonica demands unique equipment, power, and resources. Build specialized machines to optimize gathering and production as you arm yourself with the tools needed to go further and deeper.

✓ CO-OP DATA HUMAN-VERIFIED · CROSSPLAY CONFIDENCE: N/A · VERIFIED Jul 18, 2026 · SOURCE

Co-op details

Players

1–4

Join in progress

Drop-in / drop-out

Couch co-op

Crossplay

Save behaviour

Host owns the factory/campaign world save. Guest inventories and actions persist in that hosted world, but guests cannot continue that world independently without the save.

Session length

Open-ended automation sessions, typically 1–3 hours.

Matchmaking type

Private friend/invite sessions; peer-hosted. No public matchmaking or dedicated servers.