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A Touhou Project fan-made STG, also a collab game with Vtuber Syrena. Some day a random suspicious pink UFO showed up in Gensokyo. This must be an incident! As a result, Reimu and Marisa went on a journey to solve the incident.
Game modes: Single player
Right now the lowest price for Ultimate Fatal Octopus 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 Ultimate Fatal Octopus is $1.19 at Steam on May 22, 2026. The current best price is about 67% above that low.
96% of 53 Steam user reviews for Ultimate Fatal Octopus are positive ("Overwhelmingly Positive").
Ultimate Fatal Octopus released on April 30, 2024, developed by SlimeSmile and published by SlimeSmile.
Ultimate Fatal Octopus is available on PC (Microsoft Windows). It supports single player.
Ultimate Fatal Octopus last hit a new low of $1.19 on May 22, 2026 at Steam. Current best price is $1.99. Prices on this page refresh every few minutes, so check back around seasonal sales for new lows.
The cheapest Ultimate Fatal Octopus price right now is $1.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest price | — | $1.99 | Buy Ultimate Fatal Octopus at Steam |
All-time low: $1.19 at Steam on May 22, 2026 — the current best price is 67% above it.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
