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ZEPHON

ZEPHON

From the developers of Warhammer 40,000: Gladius, ZEPHON is a post-apocalyptic 4X strategy game built on Proxy’s unique tactical combat system. Guide survivors through a turbulent future, navigating unexpected disasters, eldritch horror and cyberpunk monstrosities. What will you do to survive?

Released Nov 8, 2024 Developer Proxy Studios Platforms Windows · Linux StrategyTurn-BasedTactical4XMultiplayer
View on Steam ↗ $17.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

87.2%positive1,259 reviews
Recommended · 23 found this helpful

“I'm not sure I understand or agree with some of the negative reviews I've seen. However, I've not yet played Gladius, so maybe I'll change my mind once I've tried it (I plan to now having played Zephon a bit). But that's also an 8 year old game with a lore that is decades old to…”

— a player, Steam review · 56 hrs played
Recommended · 20 found this helpful

“Ever get that feeling of disappointment from a 4x game when you spend all the time in the world getting ready for a map changing, ground shattering, absolute slug fest between you and the super powers... and then it just never happens? If you crave to satisfy that feeling, look…”

— a player, Steam review · 235 hrs played
Recommended · 9 found this helpful

“Hmmm, Is 20 hours of playtime enough to leave a verdict? Yes, I think so. Zephon is a mechanical improvement upon WH40K Gladius: Relics of War. The overall gameplay is deeper and the AI behavior is more nuanced. I await to see how the game grows. Also, the lore is plenty…”

— a player, Steam review · 63 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 13:41 UTC · history via SteamCharts.

178playing at last check
19124-hour peak
1,016all-time peak
0 250 500 2025 2026 465 avg · Nov 2024

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

96achievements
2.3%median completion
0.0%rarest: Stronger Defenses Gave Me More Time For Peace
41.9% of players 40.8% of players 37.4% of players 34.3% of players 33.4% of players 32.4% of players 31.1% of players 25.3% of players 21.3% of players 20.0% of players 19.8% of players 19.3% of players 18.9% of players 17.3% of players 17.0% of players 16.8% of players 15.4% of players 14.3% of players 13.6% of players 12.3% of players 10.3% of players 8.0% of players 7.5% of players 7.1% of players 6.9% of players 6.9% of players 6.7% of players 6.4% of players 6.4% of players 6.0% of players 5.9% of players 5.8% of players 5.6% of players 5.2% of players 5.0% of players 4.9% of players 4.9% of players 4.7% of players 4.6% of players 4.4% of players 4.1% of players 3.9% of players 3.7% of players 3.1% of players 3.0% of players 2.9% of players 2.6% of players 2.3% of players 2.3% of players 2.0% of players 2.0% of players 1.9% of players 1.8% of players 1.8% of players 1.7% of players 1.4% of players 1.4% of players 1.3% of players 1.2% of players 1.2% of players 41.9% 0% most earned rarest
Almost everyone has
41.9%Got Me, Good One — Defeat Chieftess.
40.8%Closing Chat Window — Defeat ZEPHON.
37.4%Average Perfection — Win a game on medium speed.
Rarest badges of honor
0.0%Stronger Defenses Gave Me More Time For Peace — Hidden achievement
0.0%I Saw The World, More Deeply — Hidden achievement
0.0%Grimmer Darkness — Kill 40001 units.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$17.99−55% right nowcurrent · sampled 2026-07-26 08:39 UTC
$39.99base price
$17.99lowest since tracking began2026-07-20
US17.99 USD−55%
EU17.99 EUR−55%
UK15.74 GBP−55%
Australia26.97 AUD−55%
Canada22.49 CAD−55%
Japan2,241 JPY−55%
Brazil26.99 BRL−55%
China62.55 CNY−55%

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$5.3 China Japan Canada US Australia EU UK≈$21

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $25 $50 07-11 07-14 07-17 07-20 07-23 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jul 25, 2026
Version 1.3.11

This update lets high production finish multiple queue items in one turn, tightens resource-cost handling, lets Safety Disjunction and Ichor of Uzhodai benefit Veins of the Fulcrum, and fixes missing

Jul 25, 2026
Version 1.3.10

This update fixes several crashes, multiplayer disconnects after hole punching, Linux display scaling, and dialogue issues. Bug Fixes Fixed multiplayer connections disconnecting immediately after hole

Jul 17, 2026
Version 1.3.9

This update improves direct multiplayer connections with IPv6 support, expands Auto-Scroll to Action options, and fixes several bugs. General Added IPv6 direct multiplayer connections with automatic f

Jul 02, 2026
Version 1.3.8

This update improves performance, direct multiplayer and AI behavior, as well as adjusts Syncretic Deva and Cyber balance. General Improved performance when displaying a unit's movement range. Tactica

Jun 24, 2026
Version 1.3.7

This update focuses on bug fixes and adding a few more possibilities to the game. New Flying immobilized units are now grounded and can be attacked by melee units. Added separate lobby density paramet

Games like ZEPHON

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Xenonauts 2 Xenonauts 2 83.0% · 3,153 reviews shares 4x, Grand Strategy, Turn Based, Turn Based Tactics Warhammer 40,000: Gladius - Relics of War Warhammer 40,000: Gladius - Relics of War 80.1% · 9,238 reviews shares 4x, Grand Strategy, Turn Based, Turn Based Tactics Shadow Empire Shadow Empire 83.2% · 1,545 reviews shares 4x, Grand Strategy, Turn Based, Turn Based Combat Battlestar Galactica Deadlock Battlestar Galactica Deadlock 84.5% · 3,124 reviews shares 4x, Turn Based, Turn Based Tactics, Turn Based Combat Bionic Dues Bionic Dues 77.2% · 575 reviews shares Cyberpunk, Turn Based, Post Apocalyptic, Turn Based Tactics Dead State: Reanimated Dead State: Reanimated 70.3% · 1,863 reviews shares Turn Based, Base Building, Post Apocalyptic, Turn Based Combat Interstellar Space: Genesis Interstellar Space: Genesis 84.7% · 706 reviews shares 4x, Grand Strategy, Turn Based, Turn Based Tactics Old World Old World 84.1% · 4,221 reviews shares 4x, Grand Strategy, Turn Based, Turn Based Strategy

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresRPG, Strategy
Player tagsStrategy · Turn-Based · Tactical · 4X · Multiplayer · Sandbox · Lovecraftian · Co-op · Procedural Generation · Sci-fi · RPG · Turn-Based Combat (SteamSpy community voting)
FeaturesSingle-player · Multi-player · PvP · Online PvP · LAN PvP · Shared/Split Screen PvP · Co-op · Online Co-op
LanguagesEnglish * , French, German, Korean, Russian, Polish, Simplified Chinese, Spanish - Spain *
Achievements86
Estimated owners50,000 – 100,000 (SteamSpy)
Official sitehttp://proxy.community
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 Processor: Intel Core i3 / AMD Ryzen 3 Memory: 8 GB RAM Graphics: Vulkan support with 2 GB VRAM (Nvidia GeForce 10 series / AMD Radeon 400 series) Storage: 8 GB available space