Tech Tree
What unlocks what -- from your first fold to storm-craft mastery.
Building Progression
Each era becomes available once you meet its prerequisite.
- Raises the population cap
- Opens: Patternworks, Pantry, Palasade, Portcullis
- Refines paper → parchment
- Roosts up to 2 wild birdss
- Roosts up to 1 wild Pythons
- Tower: ground targets
- Tower: ground and air
- Self-renewing Paper farm
- Anti-air tower
- Anti-air tower
- Drag to draw a wall run
- The one door in a wall run
- Shelters 5
- Folds: Pikeman, Piercer, Pelter, Poacher, Patcher, Protege, Prowler, Plaguebearer, Paladin, Pyro, Paster, Prophet
- Opens: Printworks, Playbook Projector, Port, Pitch Priory
- Folds: Prop Popper
- Enables: Paladin
- Folds: Proxie, Proxie Plopper, Predator, Personel Pod
- Enables: Prowler, Plaguebearer
- Folds: Plane, Pelican, Paratrooper
- Airfield for 8 aircraft
- Opens: Prophet's Prism, Paste Processor, Prototype Plant
- Studies (three tiers)
- Enables: Pyro, Paster
- Enables: Prophet
- Prophets worship here to bend the storm
- Folds: Pulverizer, Pursuer, Punisher, Panther Patroller
Unit Unlocks
Which building gates each unit — with the resources it costs to fold.
From the start
Folded straight from your stockpile by the Prime or a Pupil — no pattern needed.
Patternworks (basic patterns)
Pen the pattern once at a Patternworks, then any folder can fold them.
Printworks (⛩) or Pitch Priory (冥)
Advanced patterns — only the Prime or a Protege can fold them.
Printworks
Requires a Printworks; advanced patterns need the Prime or a Protege to fold.
Pitch Priory
Requires a Pitch Priory; advanced patterns need the Prime or a Protege to fold.
Port
Requires a Port; advanced patterns need the Prime or a Protege to fold.
Paste Processor
Requires a Paste Processor; advanced patterns need the Prime or a Protege to fold.
Prototype Plant
Requires a Prototype Plant; advanced patterns need the Prime or a Protege to fold.
Prophet's Prism
Requires a Prophet's Prism; advanced patterns need the Prime or a Protege to fold.
Wild
Never folded: a Perch draws Parrots, a Python Pit is home to a Python.
Playbook Research
Army-wide Polishes, researched one at a time at the Playbook Projector.
Building Upgrades
Bought on the building's own card, paid from its local store.
Looking for the details? Browse the Buildings, Units, and Resources sections of the wiki.