公式サイト Official SiteCUT 001
Sable Orrin, a tall duelist with a waist-length braid, leaps through the rain with her nodachi raised over her head

Sheathbreak

Every sheath holds its last owner. Break it. They fight with you.

Join the Playtest

Closed playtest, Wave 1: December 12 to 15, 2026

鞘割りBreak a sheath

Four sheaths on the rack. Four dead hands inside. Pick one and hold until it gives.

セーブル・オリン

Sable Orrin

Quiet Cut静斬

One draw. The cut lands before the sound does.

Sheath meter: 1 segment breaks an attack, 3 fire Overdrive.

Hold Enter, Space or press and hold the sheath. Or skip the hold:

刀士Duelists

CEL 4 Highlight

Win line"Done. You can sit down."

CEL 3 Shadow

Default faceFlat. She looks at you once.

CEL 2 Flat color

ColorsIndigo, cinnabar, brass.

CEL 1 Line

SilhouetteOne long diagonal. Blade first, braid after.

Sable Orrin mid-leap with her nodachi raised
セーブル・オリン

Sable Orrin

24. 182 cm. Left-handed nodachi, two meters.

Wait. Cut once. Go home.
Or drag the stack sideways. Each cel carries the animator's notes.

Also in Wave 1: Wynn Halloran, twin daggers. Pike Anselm, needle sword. Odette Marr, sword axe. Kell Dorrance, blade whip. Twelve duelists at launch.

戦場Arenas

Three of nine stages are open in Wave 1. Rounds run 99 seconds, best of three.

Saltgate Docks: a wet wooden pier at dusk with rusted freighters moored behind Foundry Roof: an iron roof at night between brick chimneys, furnace light in the windows below Drowned Shrine: a flooded shrine courtyard with a red gate and stone lanterns standing in green water
STAGE 1

Saltgate Docks

塩門埠頭

Wet planks, moored freighters, anchor chains that swing when you hit them.

Drag the frame or use the buttons to pan.

報せNews

KEY 01Trailer
Key frame sketch: Sable crouched low after a single draw-cut

Announcement trailer

Ninety seconds of Ironrain. Four duelists, one broken sheath.

KEY 07Playtest
Key frame sketch: Marguerite sweeping her naginata in a low circle

Wave 1 dates are set

December 12 to 15 on PC, PlayStation 5 and Nintendo Switch 2. Eight duelists, three arenas. Invites go out by email.

KEY 12Dev notes
Key frame sketch: Idris bringing his chain-wrapped greatsword down

Why Overdrive costs three

One segment breaks an attack. Three fire a cut-in you can't cancel. The tuning team explains the gap.

資料Press

Title
Sheathbreak
Genre
2D fighting, 1v1 sword duels
Developer
Lacquerline Works
Publisher
Tidewright Interactive
Platforms
PC, PlayStation 5, Nintendo Switch 2
Wave 1 playtest
December 12 to 15, 2026
Modes in Wave 1
Online versus, local versus, training
Press contact
[email protected]
Tomo Weller mid-leap, hurling his empty sheath ahead of him
参戦NAME CARD

Join the Playtest

Shown on your card. 2 to 16 characters.
Your invite goes here.
Platform

掟House rules

Four tags on the rack. Pull one to read it.

Exposure sheet

タイムシート

Announcement trailer

Open on YouTube

Privacy Policy

Last updated October 15, 2026

1. Who we are

Sheathbreak is developed by Lacquerline Works and published by Tidewright Interactive. Lacquerline Works controls the personal data described here. Contact: [email protected].

2. What we collect

3. Why we use it

To send your invite, run online matches, fix bugs, and balance duelists. We do not use it for advertising.

4. Legal basis

We process sign-up data on your consent and gameplay data on our legitimate interest in running a fair, stable test, in line with applicable data protection laws such as the GDPR.

5. How long we keep it

Sign-up data is deleted 90 days after the last playtest wave unless you ask to hear about launch. Gameplay logs are kept up to 12 months, then aggregated.

6. Who sees it

Our hosting and email providers, under written data processing agreements, and platform holders when needed to deliver a playtest key. We never sell your data.

7. Your rights

You can ask to see, correct, export or delete your data, withdraw consent, or object to processing. You can also complain to your local data protection authority.

8. Children

The playtest is open to people 16 and older. We delete sign-ups we learn were made by younger players.

9. Changes

If this policy changes in a way that matters, we email playtest participants before the change applies.

Terms of Use

Last updated October 15, 2026

1. Agreement

By signing up for or playing the Sheathbreak playtest, you agree to these terms with Lacquerline Works.

2. Who can join

You must be 16 or older and have an account on the platform you choose. One sign-up per person.

3. Playtest access

Slots are limited. Signing up does not guarantee an invite. Access runs only during the dates in your invite and may be paused for maintenance.

4. Confidentiality

You may stream and share footage of the Wave 1 build. Do not datamine, leak files, or share builds or keys.

5. Conduct

No cheating, exploits used on purpose, harassment, hate speech or impersonation. Report what you find instead of using it.

6. Feedback

Feedback you send can be used to improve the game without further obligation to you. We do not publish your name without asking.

7. Ending access

We can remove access for breaking these terms. You can leave at any time by deleting the build and asking us to delete your data.

8. Liability

The playtest build is unfinished and provided as is. To the extent the law allows, we are not liable for lost progress, crashes or indirect losses.

9. Changes

We may update these terms between waves and will email participants before changes apply.

End User License Agreement

Playtest build, Wave 1

1. License

Lacquerline Works grants you a personal, non-exclusive, non-transferable, revocable license to install and play the Wave 1 build on your own device during the playtest.

2. Restrictions

Do not copy, modify, reverse engineer, decompile, rent or redistribute the build, and do not remove notices or circumvent protection.

3. Ownership

The game, its code, art, music, duelists and names belong to Lacquerline Works or its licensors. This license is not a sale.

4. Online services

Online versus needs a connection to our servers. Match data is handled under the Privacy Policy.

5. Updates

The build may update itself to fix bugs or change balance. Some updates are required to keep playing online.

6. Termination

This license ends when the playtest closes or if you break it. Delete the build when it ends.

7. Warranty

The build is provided without warranty of any kind, to the extent the law allows.

8. Governing law

This agreement follows the law of the place where Lacquerline Works is registered, without limiting mandatory rights you have where you live.

Help

Playtest questions

How do I join?

Fill in the name card in Join the Playtest. Pick the platform you will play on.

When do invites go out?

Before December 12, 2026, by email. Check your spam folder for mail from sheathbreak.com.

What is in Wave 1?

Eight duelists, three arenas, online versus, local versus and training. Story mode is not in this build.

What do I need on PC?

Windows 10 or 11 (64-bit), a 4-core CPU, 8 GB RAM, a GPU with 4 GB VRAM, and 20 GB of space.

Which controllers work?

Pads, arcade sticks, hitboxes and keyboard. Every button can be remapped, and there is a one-button Break option.

Accessibility

Screen flash can be reduced, cut-ins shortened, and subtitles resized. Audio cues mark Break and Overdrive.

Found a bug?

Use Report in the pause menu. It attaches the last 30 seconds of inputs.

Contact

Write to [email protected]. We answer within three working days during the playtest.