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Taiga is an elementary student applying to join Class A, the combat unit. Her transfer is approved, but there's one catch: Chris must supervise her. All is well until a terrorist attack breaks out, and Chris rushes off alone. SORD is powerless - what will they do?
Game modes: Single player
Right now the lowest price for Grisaia Phantom Trigger Vol.4 we're tracking is $14.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for Grisaia Phantom Trigger Vol.4 is $6.74 at Steam on July 6, 2026. The current best price is about 122% above that low.
98% of 122 Steam user reviews for Grisaia Phantom Trigger Vol.4 are positive ("Overwhelmingly Positive").
Grisaia Phantom Trigger Vol.4 released on January 25, 2018, developed by Frontwing and published by Frontwing USA, PROTOTYPE.
Grisaia Phantom Trigger Vol.4 is available on PC (Microsoft Windows), Nintendo Switch. It supports single player.
Grisaia Phantom Trigger Vol.4 last hit a new low of $6.74 on July 6, 2026 at Steam. Current best price is $14.99. Prices on this page refresh every few minutes, so check back around seasonal sales for new lows.
The cheapest Grisaia Phantom Trigger Vol.4 price right now is $14.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest price | — | $14.99 | Buy Grisaia Phantom Trigger Vol.4 at Steam |
All-time low: $6.74 at Steam on Jul 6, 2026 — the current best price is 122% above it.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
