
Sharpen your blades and step into the Eternal Palace Sakura, a dream labyrinth haunted by restless yokai. Battle through ever-shifting realms in this anime-inspired 3D action roguelite, mastering fluid combat and exploring endless floors of the palace!
Step into the dreamscape of the Eternal Palace. You are Retla, a cat-eared dual-weapon-wielder, tasked with navigating an ever changing labyrinth that challenges every adventurer who dares enter. Each run is a test of skill, cunning, and courage.
Every corridor changes with each attempt, revealing new dangers, hidden treasures, and unexpected secrets. No two runs are the same: explore, adapt, and master the ever-changing maze.
Your arsenal consists in dual blades, flashy combos, and fast-paced dodges. Strike, evade, and chain attacks in a style all your own. Every enemy is a puzzle and every battle a chance to prove your skill.
With every attempt, grow stronger. Unlock new abilities, weapons, and upgrades that carry over into future runs. Adapt your skills, experiment with strategies, and continue your endless journey through the ever-changing labyrinth.
Thrilling 3D action with responsive dual-wield combat.
Procedurally generated labyrinths full of traps, treasures, and mysteries.
High replayability with evolving challenges.
Anime-inspired fantasy world with a memorable, heroic protagonist.
Face various cunning enemies, unravel shifting paths, and rise stronger with each run. The Eternal Palace awaits: will you master its trials, or be lost to its mysteries forever?
As you venture deeper into the labyrinth, your Mugen Depth rises, bringing debuffs and ever-stronger enemies.
Weighing risk against reward keeps every run tense and makes you want to dive in again and again.
Retla Stlutin, a cat-eared heroine, has heard rumors of a mysterious tower that rises endlessly into the heavens, and has come all the way to Ouran, a land in the Far East.
After overcoming countless hardships, Retla finally reaches the tower. But the moment she steps inside, she becomes trapped within its walls...
Retla battles through hordes of enemies, collecting spoils and rare treasures as she goes. Just how far can she make it into the Eternal Palace Sakura!

Brave the ever-shifting eternal labyrinth and conquer the mighty bosses and endgame challenges lurking in its deepest floors!

Reach a 30-hit combo

Collect 15 different Attributes in a single run

Activate OVT 10 times

Reach Lv. 5

Defeat a total of 100 enemies

Level up a total of 50 times

Reach Area 3

Enter every type of special floor
Minimum Requires a 64-bit processor and operating system OS: Windows10 64bit Processor: Intel Core i5-3570K or AMD FX-8310 Memory: 8 GB RAM Graphics: NVIDIA GeForce GTX 960 Storage: 2 GB available space Recommended Requires a 64-bit processor and operating system OS: Windows10 64bit Processor: Intel Core i7-4790 or AMD Ryzen 3 3200G Memory: 16 GB RAM Graphics: NVIDIA GeForce GTX1050 Ti Storage: 2 GB available space
minimum: Minimum: recommended: Recommended:
minimum: Minimum: recommended: Recommended: