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An idle ARPG. You build a combat Frame on an 880-node grid with 267 skills and 438 affixes, set how it fights, and send it into Journeys that play out on their own. Watch a run live, replay it exactly, or close the game and let it catch up.
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Match strength key:80+65+50+<50Horizon of Steel
SteamAbout Horizon of Steel
Horizon of Steel is an idle ARPG. You don't control the fights. You build the Frame that fights, decide how it behaves, and queue it into Journeys that play out on their own.

The planet is a machine, and it's asleep. Its threat-assessment system never stopped running tests, and every Journey is one of them. Your Frame is one of the units it sends in.

BUILD

RUN

LOOT
PROGRESS
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