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G.D.F. PHALANX: Missile Defense Protocol

US$9.99 at Steam · not on sale right now

Wishlist it: when it goes on sale, it shows up on your wishlist page.

CA$11.99 at Steam · not on sale right now

Wishlist it: when it goes on sale, it shows up on your wishlist page.

£9.09 at Steam · not on sale right now

Wishlist it: when it goes on sale, it shows up on your wishlist page.

€10.25 at Steam · not on sale right now

Wishlist it: when it goes on sale, it shows up on your wishlist page.

A$13.95 at Steam · not on sale right now

Wishlist it: when it goes on sale, it shows up on your wishlist page.

SimulationStrategyTower DefenseSingle-playerCo-opMultiplayer

Type
Full game
Released
Oct 9, 2026
Runs on
Windows
Steam
Store page

Prices by store

StorePriceRuns onLowest trackedLink
Steam US$9.99 not on sale Windows US$8.99 View deal
Steam CA$11.99 not on sale Windows same as now View deal
Steam £9.09 not on sale Windows same as now View deal
Steam €10.25 not on sale Windows same as now View deal
Steam A$13.95 not on sale Windows same as now View deal

CA$ prices are each store's own price in Canada; we started tracking them on Nov 1, 2026. The deal check and price history below use these CA$ prices only, so they start there.

£ prices are each store's own price in the UK; we started tracking them on Nov 1, 2026. The deal check and price history below use these £ prices only, so they start there.

€ prices are each store's own price in Ireland; we started tracking them on Nov 1, 2026. The deal check and price history below use these € prices only, so they start there.

A$ prices are each store's own price in Australia; we started tracking them on Nov 2, 2026. The deal check and price history below use these A$ prices only, so they start there.

"Lowest tracked" is the lowest price we have recorded since we started tracking this game, not an all-time record.

Deal check: buy now or wait?

Wait for a sale. We've tracked it at US$8.99 before. Also, the Steam Winter Sale starts on December 17, about 6 weeks from now.

  • We've seen it on sale 1 time since we started tracking it on Oct 17, 2026.
  • Lowest price we've tracked: US$8.99 on Oct 17, 2026.

Price history

US$0US$5.00US$10.00US$15.00Oct 17Oct 21Oct 26Oct 31NowLowest tracked US$8.99 (Oct 17, 2026)
US$0US$5.00US$10.00US$15.00Oct 17Oct 26NowLowest tracked US$8.99 (Oct 17, 2026)
SteamLowest tracked

Tracked for 19 days (since Oct 17, 2026). Every price change we've seen, across every store we track; a flat line means the price hasn't changed.

Deal check: buy now or wait?

Wait for a sale. It's full price now, and the Steam Winter Sale starts on December 17, about 6 weeks from now.

Price history

CA$0CA$5.00CA$10.00CA$15.00Nov 01Nov 02Nov 03Nov 04NowLowest tracked CA$11.99 (now)
CA$0CA$5.00CA$10.00CA$15.00Nov 01Nov 03NowLowest tracked CA$11.99 (now)
SteamLowest tracked

Tracked for 4 days (since Nov 01, 2026). Every price change we've seen, across every store we track; a flat line means the price hasn't changed.

Deal check: buy now or wait?

Wait for a sale. It's full price now, and the Steam Winter Sale starts on December 17, about 6 weeks from now.

Price history

£0£2.50£5.00£7.50£10.00Nov 01Nov 02Nov 03Nov 04NowLowest tracked £9.09 (now)
£0£2.50£5.00£7.50£10.00Nov 01Nov 03NowLowest tracked £9.09 (now)
SteamLowest tracked

Tracked for 3 days (since Nov 01, 2026). Every price change we've seen, across every store we track; a flat line means the price hasn't changed.

Deal check: buy now or wait?

Wait for a sale. It's full price now, and the Steam Winter Sale starts on December 17, about 6 weeks from now.

Price history

€0€5.00€10.00€15.00Nov 01Nov 02Nov 03Nov 04NowLowest tracked €10.25 (now)
€0€5.00€10.00€15.00Nov 01Nov 03NowLowest tracked €10.25 (now)
SteamLowest tracked

Tracked for 3 days (since Nov 01, 2026). Every price change we've seen, across every store we track; a flat line means the price hasn't changed.

Deal check: buy now or wait?

Wait for a sale. It's full price now, and the Steam Winter Sale starts on December 17, about 6 weeks from now.

Price history

A$0A$5.00A$10.00A$15.00A$20.00Nov 02Nov 03Nov 04NowLowest tracked A$13.95 (now)
A$0A$5.00A$10.00A$15.00A$20.00Nov 02Nov 03NowLowest tracked A$13.95 (now)
SteamLowest tracked

Tracked for 2 days (since Nov 02, 2026). Every price change we've seen, across every store we track; a flat line means the price hasn't changed.

System requirements

MinimumRecommended
OSWindows 10 64-bit or Windows 11—
ProcessorIntel Core i5-6500 / AMD Ryzen 3 1200—
Memory4 GB RAM—
GraphicsNVIDIA GeForce GTX 1050 / AMD Radeon RX 560, 2 GB VRAM, with Vulkan support—
Storage1 GB available space—
Additional NotesRequires a 64-bit processor and operating system.—

From Steam. See the original listing on Steam.

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