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PROJECT TACHYON

PROJECT TACHYON

An exhilarating run-and-gun action shooting game based on a Roguelite! Travel through time with Sigma to thwart the uprising of artificial intelligence and fight for the future!

Released Feb 13, 2025 Developer STUDIO N9 Publisher HIKE Inc. Platforms Windows ActionShoot 'Em UpRogue-likeCombatAction Roguelike
View on Steam ↗ $17.99 (US · as of 2026-05-19)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

86.2%positive145 reviews
Recommended · 11 found this helpful

“PROJECT TACHYON? Neon Time-Loops & Gene-Powered Gun-Fu! "A roguelite rush where katana parries meet bullet-hell barrages—and every timeline begs for one more run." [1] Intro : Sigma’s mission is simple: jump back, stop rogue AI Mainframe OMEGA, and prevent nuclear winter.…”

— a player, Steam review · 6 hrs played
Recommended · 22 found this helpful

“Great Start. Great Presentation. Needs More Depth and Tuning This game is really good. It's got great art, sound design, voice acting, and the story is intriguing. The sci-fi dystopia vibe is too terribly underused, and I really enjoy the mixture of the decadent Roman-esque…”

— a player, Steam review · 8 hrs played
Not recommended · 39 found this helpful

“This is a shooter with 360 degree free aiming, on K&M you move with the keyboard and aim the mouse, you would think then that it would make sense to move with the left analog and aim with the right when translated to controller like it's the norm on twinstick shooters, yet for…”

— a player, Steam review · 1 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. History through 2026-05 via SteamCharts; self-collected from the Steam API since Aug 2026.

132all-time peak
0 25 50 2026 No data collected for this period 38 avg · Feb 2025

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

32achievements
28.8%median completion
2.2%rarest: Security Expert
85.8% of players 80.6% of players 73.2% of players 68.1% of players 57.2% of players 52.3% of players 44.5% of players 42.8% of players 40.8% of players 39.9% of players 39.7% of players 32.8% of players 32.2% of players 31.9% of players 29.3% of players 28.8% of players 28.8% of players 24.5% of players 16.1% of players 13.5% of players 10.4% of players 9.5% of players 8.9% of players 8.5% of players 7.1% of players 6.9% of players 6.6% of players 5.5% of players 3.5% of players 2.8% of players 2.7% of players 2.2% of players 85.8% 0% most earned rarest
Almost everyone has
85.8%All Crew! — Communicated With All Agents At Headquarters.
80.6%If I Could Turn Back Time... — Time Reversal Activated During Mission.
73.2%Next Time, Baby! — [War Machine] Has Been Defeated.
Rarest badges of honor
2.2%Security Expert — Achieved Security Level 21.
2.7%Genetics Expert — Registered Over 180 Types Of Genes.
2.8%Nothing Is Impossible — Completed The Mission Without Enhancement Genes Or Items Past Chapter 4.

Latest official news

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

Oct 31, 2025
Gameplay video

It’s a gameplay stream.

Aug 12, 2025
[Notice] Version 1.3.0 Update (Patch Notes)

【Patch Summary】 ・Added upgrade options for all weapons ・Added upgrade options for all skills With this update, all weapons and skills now support four standard upgrade options. Ultimate Skills now sup

May 24, 2025
TACHYON REPORT #13

Welcome to PROJECT TACHYON.This project tasks you as a special Tachyon Agent, in which you are able to bring information obtained in the future back to the past, with the mission to stop the rebellion

May 23, 2025
[Notice] Version 1.2.0 Update（Patch Notes）

New Skills, Weapons, and Items added Adjustments to Weapons and Genetic Enhancements Default weapon Selection feature added New Skill Deploy small interceptors that swiftly fly around, attacking enemi

May 17, 2025
TACHYON REPORT #12

Welcome to PROJECT TACHYON.This project tasks you as a special Tachyon Agent, in which you are able to bring information obtained in the future back to the past, with the mission to stop the rebellion

Games like PROJECT TACHYON

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

Oblivion Override Oblivion Override 95.0% · 556 reviews shares Cyberpunk, Robots, Hack And Slash, Action Roguelike Blade Assault Blade Assault 73.3% · 739 reviews shares Cyberpunk, Hack And Slash, Action Roguelike, Side Scroller Anomaly Agent Anomaly Agent 94.3% · 1,102 reviews shares Cyberpunk, Hack And Slash, Action Roguelike, Side Scroller 30XX 30XX 91.4% · 1,941 reviews shares Robots, Action Roguelike, Side Scroller, Rogue Lite Ghost 1.0 Ghost 1.0 87.2% · 884 reviews shares Cyberpunk, Robots, Side Scroller, Rogue Lite NeuroVoider NeuroVoider 76.4% · 605 reviews shares Cyberpunk, Robots, Action Roguelike, Futuristic UBERMOSH:BLACK UBERMOSH:BLACK 89.7% · 668 reviews shares Cyberpunk, Action Roguelike, Futuristic, Bullet Hell KIBORG KIBORG 87.8% · 517 reviews shares Cyberpunk, Robots, Hack And Slash, Action Roguelike

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresAction, Adventure
Player tagsAction · Shoot 'Em Up · Rogue-like · Combat · Action Roguelike · Hack and Slash · Bullet Hell · Sci-fi · Futuristic · Time Travel · Female Protagonist · Singleplayer (SteamSpy community voting)
FeaturesSingle-player · DualShock Controller Support · DualSense Controller Support · Partial Controller Support · Steam Cloud · Family Sharing
LanguagesEnglish, Japanese * , Simplified Chinese, Traditional Chinese, Korean * *
Achievements32
Official sitehttps://x.com/TACHYON_KR
Minimum system requirements (PC)

Minimum: OS: Windows 10 Processor: Intel Pentium G630 @ 2.70GHz Memory: 4 GB RAM Graphics: Intel HD Graphics DirectX: Version 11 Storage: 2 GB available space