Spire Codex is now on Overwolf. Get the in-game overlay with live card lookups and one-click run uploads. Learn more →Spire Codex is now on Overwolf. Get the in-game overlay with live card lookups and one-click run uploads. Learn more →We are giving away an Artovision Slay the Spire 2 shadowbox. Enter free in three steps. The contest runs July 7, 2026, 5:00 PM PT to August 7, 2026, 5:00 PM PT.
Checking your entry status...
Your Steam sign-in is how we identify your entry and match your uploaded runs.
Sign in with SteamSubscribe to the Spire Codex mod on the Steam Workshop. It tracks your runs in-game and uploads them automatically, no manual work needed.
Get the mod on Steam WorkshopFinish a run with the mod active and it uploads on its own. You can also upload a.runfile from your profile.
Want in-game lookups and a live overlay too? Grab our Overwolf overlay. It does not affect your entry either way.
You do not have to play or install anything to enter. To enter by mail, hand-write a 3x5 card with your full name, mailing address, email address, and (if you have one) your Steam ID, and send it to:
Prima Codex LLC PO Box 6216 Santa Rosa, CA 95406
One entry per outer mailing envelope, hand-addressed. Mail-in entries must be postmarked within the contest period and received within 7 days of the end date. Mail-in entrants are entered into the same drawing on equal footing as online entrants.
Sponsor: Prima Codex LLC, operator of Spire Codex.
Dates: July 7, 2026, 5:00 PM PT to August 7, 2026, 5:00 PM PT. Entries outside this window are not eligible.
Eligibility: Open only to legal residents of the fifty United States and D.C. who are 18 or older at time of entry. Void where prohibited.
How to enter: Either complete the three steps above (sign in with Steam, install the Spire Codex mod, and upload at least one run during the contest period), or use the free mail-in method described above. Limit one entry per person.
Prize: One (1) Artovision Slay the Spire 2 shadowbox. Approximate retail value $149.99. One winner. Prize is non-transferable and no cash equivalent, except at the sponsor's discretion.
Winner selection: One winner chosen at random from all eligible entries after the end date, and notified by Steam ID within 7 days. If a winner does not respond within 7 days, an alternate may be selected.
This promotion is in no way sponsored, endorsed, administered by, or associated with Valve, Steam, Mega Crit, Overwolf, or Artovision.