ABYSS RUNNER
Only Way Is Up.
An extreme platformer that drove every playtester to despair
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About This Game
The mightiest (yet incredibly ditzy) Demon Lord 'Lili' stumbled across a 'monster-infested vertical shaft' on her walk — and fell right into her own trap. With a weakening arm binder strapped on, she must escape from the abyss.
While out on a leisurely walk, the mightiest-yet-ditzy Demon Lord 'Lili' discovers a perfectly good 'monster-infested vertical shaft.' She was just about to use her special 'Cursed Ultra-Weakening Arm Binder' to chuck some nearby adventurers down it for fun when...
"Huh?"
The dimwit Demon Lord Lili falls into her own trap and plunges into the Abyss...
Can Demon Lord Lili escape from the shaft?!
"Only Way Is Up"
One goal: escape the shaft. Countless monsters and traps stand in your way. Can you make it all the way to the top — ?
Extreme Difficulty Action
A difficulty that drove every playtester to despair. Even the developer took two days to clear it the first time. All 4 areas of the shaft deliver maximum frustration and hopelessness.
A Japanese Doujin Hit Goes Global
The original Japanese title that surpassed 30,000+ copies sold on Japanese platforms arrives on Steam as the all-ages 'Abyss Runner.' Supports Japanese, English, Simplified Chinese, and Traditional Chinese.
ABYSS RUNNER CHALLENGE
Abyss Runner Challenge
More posts = bigger prize pool. A crowdfunding-style viral prize campaign.
Thu, May 15, 2026 – Thu, May 29, 2026 23:59 JST
Perfectly aligned with the Publisher Sale period
#AbyssRunnerChallenge
#AbyssRunnerChallenge
BASE
確定
¥250,000
総額 ¥250,000
Stretch 1
500件達成で解放達成で解放
+¥250,000
総額 ¥500,000
Stretch 2
?????件
+¥XXX,XXX
総額 ¥X,XXX,XXX
Stretch 3
?????件
+¥XXX,XXX
総額 ¥X,XXX,XXX
Stretch 4
?????件
+¥X,XXX,XXX
総額 ¥X,XXX,XXX
Prize pool could reach up to ¥X,XXX,XXX
Full details unlock May 15, 2026 at 17:00 JST
Multiple Award Categories
- ・ Fastest Clear Award
- ・ Participant Lottery
- ・ Special Award by Organizer
Prizes will be awarded as Steam gift cards equivalent to the prize amount. Distribution details will be announced on May 15, 2026 at 17:00 JST.
How to Enter
Clear the Game
Play the Steam version of 'Abyss Runner' and reach the ending.
Post Your Clear Video
Post your clear video with the hashtag on X / Weibo / Bilibili / TikTok. Display your account ID (@username) in the corner of your video.
Register via the Official Entry Form
Submit via the official entry form opening at 17:00 JST on 5/15.
* Detailed entry requirements and the entry form will be published on 5/15 at 17:00 JST.
Fair Play Rules
- ▸ One account per video accepted.
- ▸ Your account ID (@username) must be displayed in the corner of the video.
- ▸ Entries with unnatural cuts or edits detected in the audio/video will be disqualified.
- ▸ The organizer reserves the right to revoke prizes at their final discretion.
CREATOR SPONSORSHIP PROGRAM
🎮 Creator / Streamer Recruitment
We are looking for creators to stream or post videos covering Abyss Runner around its release.
[What We Offer]
- ▸ Pre-release Steam key (from 5/9)
- ▸ Reward: Steam gift card $35+ (varies by reach & format)
- ▸ Access to the Speedrun Bounty (prize pool ¥250,000+)
- ▸ Media kit, UTM tracking, and creative freedom
[Who We're Looking For]
- ▸ 1,000+ followers (Twitch / YouTube / other)
- ▸ Fans of indie, hard-core, Foddian, or speedrun genres
- ▸ Able to stream or publish a video during 5/9–5/29
We will contact you within 48 hours of your application.
[Application Form]
* Streams / videos must be 5 minutes or longer
✓ Submitted
Thank you for applying. We will contact you within 48 hours.
* Reward amount varies by reach, format, and duration. Details will be provided after your application.
UPDATES
Updates
- LAUNCH
Campaign teaser page is now live
FAQ
What kind of game is Abyss Runner?
Abyss Runner is the all-ages Steam version of a doujin game that sold 30,000+ copies on Japanese platforms. It's an extremely difficult 2D platformer with an 'only way is up' style. The protagonist, Demon Lord Lili, falls into her own trap and must escape from the shaft.
Is the Steam version all-ages?
Yes. Abyss Runner on Steam is a fully all-ages release.
What languages are supported?
The game supports 4 languages: Japanese, English, Simplified Chinese, and Traditional Chinese — including both interface and subtitles.
How difficult is it?
It's an extreme platformer that took even the developer two full days to clear on their first attempt. That said, there are some 'tricks' to discover, so keep challenging yourself. All 4 areas of the shaft are designed to deliver maximum despair and frustration.
Is the Steam version required to enter the challenge?
Yes. Only clear videos of the Steam version 'Abyss Runner' are eligible for entry.
Can I freely stream or post videos?
Absolutely — streaming and video posting are very welcome. In fact, if you want to enter the challenge, posting a video is required. Monetization is also permitted (subject to the platform's own terms of service).
Does the prize pool really grow?
Yes. The organizer will reliably add to the prize pool based on the number of tagged submissions. Progress is published in real time on this site, and official announcements will be made when stretch goals are reached.