What is ZEPHON?
A turn-based 4X strategy game set on Earth after an alien-caused apocalypse. In single-player or multiplayer matches, you explore a generated map, expand tile-built cities, manage resources and research, conduct diplomacy, and command units in tactical combat while pursuing Human, Voice, or Cyber paths.
For you if...
- +you prefer combat-heavy 4X games with a faster pace
- +you enjoy grim science fiction with horror-inspired forces
- +you want cooperative and competitive multiplayer options
Not for you if...
- −you prefer diplomacy-first strategy with little emphasis on warfare
What players say
83% of 1,926 reviews are positive · 65% of 32 in the last 30 days
Players praise the worldbuilding and writing, plus tactical combat where terrain and positioning matter. The most common complaint is that leaders and factions play too similarly; others criticize uneven pacing and limited city development. Recent reviews also report crashes, loading failures, and late-game stuttering.
Screenshots and trailer
ZEPHON system requirements
As published by the developer.
Minimum
- OS
- Windows 10
- Processor
- Intel Core i3 / AMD Ryzen 3
- Graphics
- Vulkan support with 2 GB VRAM (Nvidia GeForce 10 series / AMD Radeon 400 series)
- Memory
- 8 GB RAM
- Storage
- 8 GB available space
Recommended
- OS
- Windows 11
- Processor
- Intel Core i5 / AMD Ryzen 5
- Graphics
- Vulkan support with 4 GB VRAM (Nvidia GeForce 16 series / AMD Radeon RX 5000 series)
- Memory
- 16 GB RAM
- Storage
- 8 GB available space
PC version details
DRM, required accounts, controller support and Steam features.
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows, Linux
- Achievements
- 96
- Steam features
- Workshop, Cloud saves, Family Sharing
Steam Deck: Playable
- Sometimes shows mouse, keyboard or non-Deck controller icons
- All functionality is accessible with the default controller configuration
- In-game text is legible on Steam Deck
- Default graphics settings perform well on Steam Deck
Multiplayer and co-op
- Single-player
- Multiplayer
- PvP
- Online PvP
- LAN PvP
- Split-screen PvP
- Co-op
- Online co-op
- LAN co-op
- Split-screen co-op
- Split-screen
- Cross-platform multiplayer
- Remote Play Together
Languages
Full audio: English. Text only: French, German, Korean, Russian, Polish, Simplified Chinese, Spanish - Spain.
Tags
- Strategy
- Turn-Based
- 4X
- Tactical
- Multiplayer
- Lovecraftian
- Sandbox
- Co-op
- Sci-fi
- Procedural Generation
- Turn-Based Strategy
- Turn-Based Combat
- RPG
- Post-apocalyptic
- Turn-Based Tactics
- Grand Strategy
Recent updates
- Sep 21, 2026 · Version 1.3.22
- Sep 16, 2026 · Version 1.3.21
- Sep 13, 2026 · Version 1.3.20
- Sep 7, 2026 · Version 1.3.19
- Sep 5, 2026 · Version 1.3.18
6 DLC available.
Games like ZEPHON
