SCP-173 is confined to a single Cloudflare Worker instance addressed at https://sisyphus.bisks.net/. No physical containment chamber is required. As a Euclid-class object, personnel are advised that SCP-173's behavior is only partially predictable under repeat interaction; researchers should log anomalous outputs to the site's own Addendum before treating them as expected behavior.
SCP-173 — designated "sisyphus" in Foundation records — classified as a recreational-hazard anomaly, is reachable at https://sisyphus.bisks.net/.
Field notes recovered from the anomaly's own interface describe it thus:
a side-scrolling myth simulator: push the boulder up the mountain, leap chasms and scree, shove off the crows. get hit and it doesn't just cost a life — the boulder rolls back down the slope and undoes your climb. six palettes, live-synthesized audio, no build step. @dulanyw.bsky.social asked for this one.
Foundation awareness of SCP-173 began with a tagged mention from the individual on record as @dulanyw.bsky.social. First logged 2026-07-30.
Addendum 173-A: Euclid remains the Foundation's largest classification by volume. SCP-173 is unremarkable within that population and is not flagged for expedited review.