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Be the first to review 31st Prototype
This is a story about one robot who found back her memory in the empty house. She awake on the storm night, but forgot all things, along with the exploration, she found the truth... It not only a decrypt game, but also a text adventure game.
Game modes: Single player
Right now the lowest price for 31st Prototype we're tracking is $1.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for 31st Prototype is $1.99 at Steam on August 21, 2026. The current best price matches that all-time low — historically a good time to buy.
100% of 12 Steam user reviews for 31st Prototype are positive ("Overwhelmingly Positive").
31st Prototype released on May 4, 2021.
31st Prototype is available on PC (Microsoft Windows). It supports single player.
The cheapest 31st Prototype price right now is $1.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest priceAll-time low | — | $1.99 | Buy 31st Prototype at Steam |
All-time low: $1.99 at Steam on Aug 21, 2026 — the current best price matches it, a good time to buy.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
