Phantom Signal — Sci-Fi Strategy Game

Space tower defense powered by an energy network you build

Veslo Games · Released Jan 16, 2018

Reviews: Very Positive; 85% of 136
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 29, 2026
Steam Deck: Untested
Last update on Steam: 8 years ago; Mar 20, 2018
Minimum PC: GeForce GTX 260; 0.5 GB RAM · 0.4 GB disk; Full requirements

What is Phantom Signal — Sci-Fi Strategy Game?

This single-player sci-fi strategy game follows a ship tracing a mysterious signal across multiple star systems. You control its industrial fabricator, gathering resources, constructing defenses, researching abilities, and upgrading the ship through main and side missions.

For you if...

+you enjoy experimenting with different building and defense layouts
+you want to pause the action and plan

Not for you if...

−you want an open-ended sandbox instead of set missions

What players say

85% of 136 reviews are positive

Players praise the music and varied mission objectives. Common complaints include limited content and missing building shortcuts that make construction click-heavy.

Screenshots and trailer

Phantom Signal — Sci-Fi Strategy Game screenshot 1

Phantom Signal — Sci-Fi Strategy Game system requirements

Minimum: GeForce GTX 260, 0.5 GB RAM, 0.4 GB of disk space.

As published by the developer.

Can my PC run Phantom Signal — Sci-Fi Strategy Game?

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Minimum

OS: Windows XP SP2+
Processor: 1.7 GHz Dual Core
Graphics: NVIDIA GeForce GTX 260, ATI Radeon 4870 HD, Intel HD 3000, or equivalent integrated card
Memory: 512 MB RAM
Storage: 400 MB available space
DirectX: Version 9.0c

Does Phantom Signal — Sci-Fi Strategy Game have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Phantom Signal — Sci-Fi Strategy Game run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS, Linux
Achievements: 52
Steam features: Cloud saves, Family Sharing, Trading cards
Languages: Full audio: English. Text only: Russian, French, German.

Does Phantom Signal — Sci-Fi Strategy Game use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam