Eternal Palace Sakura Launches on Steam and Nintendo Switch

Eternal Palace Sakura, the 3D action roguelite from developer Denneko Yuugi and publisher Shochiku Games, has arrived on PC via Steam and Nintendo Switch. The game launched first on Steam on November 4, 2026, followed by its Nintendo Switch release on November 5, 2026.

Built around repeated expeditions through a dangerous, ever-changing dungeon, Eternal Palace Sakura follows the cat-eared heroine Retla Stlutin as she attempts to escape the mysterious palace that gives the game its name. Players will be expected to learn fast-moving combat, assemble combinations of upgrades during each run, overcome bosses, and decide how deeply they want to venture as the challenge steadily grows.

The digital edition is listed at $11.99, tax included, with a limited-time launch price of $9.99. A two-week promotion advertising 20% off runs from November 5 through November 18, 2026. Eternal Palace Sakura is a single-player game on both available platforms.

A tower investigation becomes a fight for survival

Retla's adventure begins with an investigation. She travels to the land of Ouran in response to the mystery surrounding a towering structure, only to become trapped within the Eternal Palace Sakura. Rather than serving as a simple destination, the palace is the core of the game's conflict: an endless dungeon filled with hostile floors, powerful opponents, valuable treasure, and uncertainty around every new descent.

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The setup gives the roguelite structure a clear narrative purpose. Retla is not merely delving into a dungeon for loot or high scores; she is fighting to make her way out of an unfamiliar prison. Each advance through the palace brings her into contact with stronger threats, while bosses stand as major obstacles on the path forward.

The game's newly released launch trailer focuses on this journey through the palace, presenting Retla's movement through its seemingly unending interior and the action that awaits her across successive floors. The central appeal is the mix of immediate combat expression and the longer-term process of adapting a character build to whatever the dungeon provides.

Simple inputs, extensive combat options

Eternal Palace Sakura frames its action around accessible controls while leaving room for players to develop increasingly elaborate combat approaches. Retla can chain together flashy combos using simple inputs, making it possible to get into the flow of battle quickly. That foundation is supplemented by a selection of special actions that can be equipped and used to shape how a run feels.

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Players can bring up to four abilities known as Arts. These are intended to add another layer to Retla's standard attacks, giving a build its own tactical identity depending on the Arts chosen and the upgrades found during an expedition. In addition, Retla has access to Over Arts, an ultimate technique designed to provide a more dramatic and powerful option in the middle of difficult encounters.

That three-part arrangement--basic combo strings, equippable Arts, and an ultimate Over Arts move--suggests a combat system that rewards both quick reactions and preparation. Players will need to consider the tools they want available before entering combat, then make the most of their selected kit when the dungeon's enemy groups and bosses begin applying pressure.

For a roguelite, combat mechanics are only one half of the equation. The other is how those mechanics change over the course of a run. Eternal Palace Sakura approaches that side of the formula through its item-based build system.

More than 50 Attributes to mix into each run

The palace's procedurally generated dungeons ensure that a trip inside will not play out exactly the same way every time. As players explore, they can collect power-up items called Attributes. There are more than 50 Attributes in total, and their combinations are central to creating a run's particular strengths.

Attributes give players reasons to experiment beyond a single preferred combat routine. One attempt may encourage a build focused on enhancing a favored Art, while another may push Retla toward a different set of effects and priorities. Since the dungeon layout and the available rewards vary, adaptation should be an important part of surviving for longer and reaching greater depths.

This structure supports a familiar roguelite rhythm: enter the dungeon, gather temporary advantages, test a build against rising danger, and try again with greater knowledge when a run comes to an end. The variety of Attributes is especially important because it creates room for unexpected pairings rather than simply repeating one fixed upgrade path.

Players will also contend with Mugen Depth, a difficulty element that escalates as they progress. The further a run goes, the more demanding the palace becomes. That rising pressure gives every decision added weight, whether it concerns the next reward to take, the Arts to equip, or the risk of continuing onward against stronger enemies.

Progress that continues beyond a single attempt

While the dungeon's individual runs are defined by changing layouts and temporary Attribute combinations, Eternal Palace Sakura also includes permanent upgrades. These lasting improvements provide a sense of progression that extends beyond any one unsuccessful expedition, giving players opportunities to strengthen Retla over time as they learn the game's systems.

Permanent progression can be particularly valuable in an action roguelite because it creates two complementary forms of advancement. A player may get better at dodging, managing spacing, building combo routes, and recognizing enemy behavior, while Retla herself gains improvements that can help make later ventures more manageable. The result is a loop in which persistence is supported by both mechanical mastery and ongoing unlocks.

For players looking to see how far they can push after gaining familiarity with the palace, the game includes an Endless Mode. This mode is positioned as the place to keep moving deeper into the dungeon and confront the escalating demands of Mugen Depth. Rather than offering a short, fixed challenge, it gives dedicated players a mode built around endurance, optimization, and the pursuit of longer runs.

The combination of permanent upgrades and Endless Mode means Eternal Palace Sakura is structured for more than a single clear. There is a story-driven reason to battle through the palace, but the game's systems also invite continued experimentation with builds and continued attempts to improve a personal best.

A compact roguelite built around replayable action

Eternal Palace Sakura enters the action roguelite space with a focused set of ingredients: real-time 3D combat, a protagonist with a flexible special-ability loadout, randomized dungeon runs, a large pool of power-up items, bosses, permanent progression, and an endless challenge. Its main distinction lies in how those pieces are tied to Retla's escape from the Eternal Palace Sakura.

The emphasis on intuitive inputs may make the game approachable for players who want immediate action, while the Arts, Over Arts, and Attribute systems offer reasons to look more closely at build construction. The procedurally generated dungeon structure, meanwhile, is intended to keep repeat attempts from becoming too predictable.

Those who enjoy refining a combat style across multiple runs will likely find the game's core loop familiar: enter with a plan, respond to the rewards the dungeon presents, survive the next difficult fight, and decide whether the current build can withstand another step into the unknown. With Mugen Depth raising the stakes and Endless Mode extending the challenge, the palace is designed to remain threatening even after Retla has acquired more tools.

Availability and launch details

Eternal Palace Sakura is available now for PC through Steam and Nintendo Switch. Steam received the game on November 4, 2026, and the Nintendo Switch version followed on November 5, 2026.

• Developer: Denneko Yuugi
• Publisher: Shochiku Games
• Platforms: PC via Steam and Nintendo Switch
• Players: Single-player
• Listed digital price: $11.99, tax included
• Limited-time launch price: $9.99
• Launch sale period: November 5 to November 18, 2026

For players ready to take on a hostile palace one floor at a time, Retla's escape attempt is underway. The question is not only whether she can find a route out, but how far each new combination of Arts and Attributes can carry her before the palace's depths finally push back.