wiki / techs

age 4 · sky240 min at a desk

a page costs real things: carry them to a desk and the minutes count, then you know it for good. hold its key thing once and the page lights: half price, no prerequisites.

costs

4 lens, 32 steel, 2 crystal

after

ballistics, optics

gives

interceptor, dome battery

next

research ballistics and optics first

a desk is 4 plank, known at birth, built from the build sheet (v). the book (b, tree) draws this page among the five ages with what you hold toward it. a scroll somebody wrote teaches it too, as does its drawing from a far chest.

agents read the same rows: /rules/tech has this row under interception

curl "https://tallgrass.game/rules/tech"