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NINJA SLAYER NEO-SAITAMA IN FLAMES(ニンジャスレイヤー ネオサイタマ炎上)

NINJA SLAYER NEO-SAITAMA IN FLAMES(ニンジャスレイヤー ネオサイタマ炎上)

A fast-paced action platformer based on the world of Ninja Slayer, a hit manga that sold 4.44 million copies! In the fictional cyberpunk city of Neo-Saitama, take control of Ninja Slayer as he does battle with numerous evil ninjas, all to avenge the death of his wife and child.

Released Jul 23, 2024 Developer Skeleton Crew Studio Publisher KADOKAWA CORPORATION, KADOKAWA Game Linkage, ABC ANIMATION Platforms Windows 2D PlatformerActionIndie1990'sSingleplayer
View on Steam ↗ $19.99 (US · as of 2026-05-15)

What players say

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

45.2%positive186 reviews
Recommended · 8 found this helpful

“Domo, potential buyer-san, this is my review. Neo-Saitama In Flames is pretty much everything I wanted in a Ninja Slayer game! It’s a hyper fast paced beat-em-up with low difficulty. The fun comes from making like Ninja Slayer himself by mercilessly mowing down hordes of enemies…”

— a player, Steam review · 2 hrs played
Not recommended · 37 found this helpful

“アイエエエ?! ニンジャ?! ニンジャナンデ?! Good iP (10/10) but Poor game quality (4/10) So sad ;-; アバーッ! サヨナラ!!!!!”

— a player, Steam review · 3 hrs played
Not recommended · 6 found this helpful

“I began to play the game and at first it wasn't so bad. There was a funny Ninja joke, and the music was really good, I had fun attacking enemies and knocking them aside during the training mode. I found that there's a ninja dash move that is really fun and you can chain it…”

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

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.

29achievements
17.0%median completion
0.6%rarest: Those who act crazy, are crazy
91.8% of players 82.2% of players 70.5% of players 70.4% of players 66.1% of players 53.9% of players 50.9% of players 46.0% of players 45.4% of players 43.0% of players 41.0% of players 36.2% of players 34.0% of players 29.4% of players 17.0% of players 16.0% of players 15.0% of players 12.6% of players 11.6% of players 8.7% of players 5.4% of players 4.7% of players 2.6% of players 2.3% of players 1.6% of players 1.5% of players 1.3% of players 0.8% of players 0.6% of players 91.8% 0% most earned rarest
Almost everyone has
91.8%Karate Newbie — Defeat 10 enemies
82.2%Black Belt Karate Master — Defeat 100 enemies
70.5%Get in your Futon... — Enter Naraku Mode 3 Times
Rarest badges of honor
0.6%Those who act crazy, are crazy — Spend a total of 50 hours completing the stages
0.8%Gouranga! — Clear All Stages with S-Rank
1.3%Actually Yabai — Use a Bridge Dodge to evade perfectly 100 times

Latest official news

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

May 14, 2026
"NINJA SLAYER NEO-SAITAMA IN FLAMES" is on sale for a limited time!

"NINJA SLAYER NEO-SAITAMA IN FLAMES" is now available at 40% OFF for a limited time! Experience the high-speed action that brings the original "Ninja Slayer" story to life — don't miss this chance to

Nov 21, 2024
Patch Notes Ver1.0.6

Thank you for enjoying “NINJA SLAYER NEO-SAITAMA IN FLAMES”. The latest patch (Ver1.0.6) is now available. The details of the fixes and changes are as follows. ●Details ・The camera position in stage a

Oct 17, 2024
Patch Notes Ver1.0.5

Thank you for enjoying “NINJA SLAYER NEO-SAITAMA IN FLAMES”. The latest patch (Ver. 1.0.5) has been released. The patch includes the following changes. ●Game content update - Tutorial content has been

Sep 24, 2024
Patch Notes Ver1.0.4

Thank you for enjoying “NINJA SLAYER NEO-SAITAMA IN FLAMES”. The latest patch (Ver1.0.4) has been applied. The details of the fixes and changes are as follows. ●Bug fixes - Fix for a bug that occurs w

Jul 26, 2024
Patch notes Ver1.0.3

The latest patch has been applied to the Steam version. Fixes and changes are as follows. Adjustment of game balance ・Changed the strength of some enemy characters (Clone Yakuza Y-12 (yellow), Y-13 (w

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

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

GenresAction, Adventure, Indie
Player tags2D Platformer · Action · Indie · 1990's · Singleplayer · Memes · 2D · Controller · Retro · Ninja · Comedy · Cyberpunk (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Partial Controller Support · Family Sharing
LanguagesEnglish, Italian, Spanish - Spain, Japanese, French, German, Portuguese - Portugal, Simplified Chinese, Traditional Chinese, Korean
Achievements29
Official sitehttps://www.ninjaslayerthegame.com/?utm_source=steam&utm_medium=referral
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 (64bit必須) Processor: AMD Ryzen 3 1200 / Intel Core i5-7500 Memory: 8 GB RAM Graphics: AMD Radeon RX 560 with 4GB VRAM / NVIDIA GeForce GTX 1050 Ti with 4GB VRAM DirectX: Version 12 Storage: 3 GB available space