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Old Ninja : UnderWorld

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App ID 3968810
App Type Game
Developer
Publisher Waterfall Studio
Supported Systems Windows
Technologies Unreal Engine, EpicOnlineServices SDK
Last Changenumber 31282960
Last Record Update 24 September 2025 – 11:28:29 UTC ()
Release Date 19 September 2025 – 15:01:53 UTC ()
❓ 35.92%
2 reviews
0
In-Game
💥 Action 🗺️ Adventure 💨 Metroidvania 🏽 2D 👾 Pixel Graphics

Old Ninja: Underworld is a 2D pixel-art Metroidvania action game where an aging ninja explores a chaotic underground world. Battle through a bizarre mix of enemies with no apparent connection, strengthen your ninja, and challenge the boss lurking deep below.

Additional Information

Developer Waterfall Studio
controller_support partial
ReleaseState released
Publisher Waterfall Studio
Store Release Date 19 September 2025 – 15:01:55 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://x.com/WaterfallStadi0
https://www.youtube.com/@Waterfall_Studio
Primary Genre Action (1)
Store Genres Action (1), Adventure (25), Indie (23)
Steam Release Date 19 September 2025 – 15:01:53 UTC ()
Store Asset Modification Time 11 September 2025 – 12:33:00 UTC () (1757593980)
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library_capsuleen,ja
library_heroen,ja
library_hero_bluren,ja
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library_headerja,en
logo_position ↴
pinned_positionBottomCenter
width_pct100
height_pct98.75437512868024
osextended empty string
name_localized
japanese老忍：アンダーワールド
Detected Technologies (?) Unreal Engine, EpicOnlineServices SDK, Intel_oneTBB SDK, NVIDIA_Nsight_Aftermath SDK, Ogg SDK, Vorbis SDK, XAudio2 SDK
controllertagwizard Yes
AI Content Type 1
First seen on SteamDB 19 August 2025 – 04:27:38 UTC (), in changelist #30663630

Supported Languages

2 Languages Interface Full Audio Subtitles
Japanese Yes
English Yes

Tags

💥 Action 🗺️ Adventure 💨 Metroidvania 🏽 2D 👾 Pixel Graphics 🗺 Exploration 💥 Action RPG 🌄 Action-Adventure 📺 Side Scroller 🎭 Fantasy 🌱 Indie 🕳️ Underground 🌲 PvE 🎮 Controller 🎓 Tutorial 👤 Singleplayer

Categories

Single-player Family Sharing Steam is learning

Hardware Categories

Partial Controller Support

Accessibility Categories

Custom Volume Controls Stereo Sound Playable without Timed Input Camera Comfort

Assets

Load all asset images
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community_icon4f701941f76fbbb4ea89ce45ea8a43693c04f62c.jpg
page_background_pathapp/3968810
timestamp19 September 2025 – 15:23:36 UTC

Trailer 966991 ↴

trailer_name Trailer
trailer_category 1
trailer_480p ↴
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adaptive_trailers ↴
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all_ages true
is_highlight true
timestamp 29 August 2025 – 13:08:04 UTC

Steam charts

  • 0 players right now
  • 0 24-hour peak
  • 1 all-time peak 19 September 2025
SteamDB.info

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User reviews history

  • ❓ Negative
  • 35.92% SteamDB Rating
  • 0 0.0% positive reviews
  • 2 100.0% negative reviews

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How many players are playing Old Ninja : UnderWorld right now on Steam?

Steam player counter indicates there are currently 0 players live playing Old Ninja : UnderWorld on Steam.

Old Ninja : UnderWorld had an all-time peak of 1 concurrent players on 19 September 2025.

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