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EXSTETRA official game artwork

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EXSTETRA Wiki

The only way to save the world is a kiss——. 《EXSTETRA》 is a fantasy RPG set in “Amazia,” a Tokyo fused with another world and burdened with a doomed fate, where you rise as the chosen savior, a “Prisma,” to con

Steam ↗Windows
GameWiki EditorialReviewed 5 guide topics

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About EXSTETRA

EXSTETRA is a fantasy RPG that follows high‑school student Ryoma, who becomes the chosen “Prisma” tasked with saving two worlds. The story centers on awakening companions, the Prisma Knights, through a kiss that transfers the power he gathers.

Set in Amazia—a Tokyo fused with another realm—the game offers turn‑based tactical battles, dungeon exploration, and a party system where relationships with companions influence combat outcomes.

01 / THE GUIDE

Story

Ryoma discovers he is the Prisma, the sole savior capable of preventing the destruction of both worlds. His quest leads him to locate other candidates drawn from the real world and to awaken them through a kiss, advancing the narrative toward averting the apocalypse.

Each awakened companion becomes a Prisma Knight, sharing Ryoma’s destiny. The kiss mechanic is presented as the exclusive means to unlock their powers, making it a central plot device throughout the game.

  • Pay attention to dialogue cues that hint at characters eligible to become Prisma Knights.
  • Keep a simple list of awakened companions to avoid repeated attempts on the same character.

02 / THE GUIDE

World

Amazia blends iconic Tokyo districts such as Shibuya and Akihabara with fantastical elements, creating a visually striking hybrid city. The artwork by tokyogenso portrays this environment as both beautiful and decadent, reinforcing the world’s doomed fate.

The fused setting influences dungeon design and encounter aesthetics, providing a backdrop where familiar landmarks coexist with otherworldly structures, reinforcing the narrative’s sense of a reality on the brink of ruin.

  • Explore the transformed districts, whose layouts differ from their real‑world counterparts.
  • Notice visual cues that signal a transition between ordinary and otherworldly areas.
EXSTETRA official gameplay screenshot
Publisher-provided gameplay image · FURYU CORPORATION

03 / THE GUIDE

Dungeon Exploration

Across Amazia’s districts lie labyrinthine dungeons that feature monster battles, environmental gimmicks, treasure chests, and material gathering. These areas encourage navigation of puzzles while collecting items for later use.

Progression is measured by reaching deeper sections of each labyrinth, with the goal of pushing toward the deepest reaches of each one, motivating players to strengthen their party and equipment.

  • Map each dungeon level as you go to avoid unnecessary backtracking.
  • Gather materials early; they become valuable for later equipment refinement.

04 / THE GUIDE

Turn‑Based Battle System

Combat uses a turn‑based command system where up to four characters can act each turn. Players select skills and consider enemy traits to craft tactical strategies, while party formation influences the flow of battle.

The protagonist, as Prisma, absorbs EXS from defeated enemies and can share it with companions through a kiss, releasing powerful special attacks called EXS Arts.

  • Experiment with different party formations to see how skill combinations affect enemy weaknesses.
  • Use the kiss mechanic strategically to trigger EXS Arts when they can turn the tide of battle.

05 / THE GUIDE

Party Formation & Affection

A party can consist of up to four active members, with additional companions waiting in reserve. The composition influences battle outcomes, especially when considering each character’s position and skill set.

Relationships with companions can affect combat performance, encouraging players to deepen bonds with a variety of Prisma Knights rather than focusing on a single favorite.

  • Rotate reserve members to keep affection levels balanced across the team.
  • Observe any combat bonuses that appear after interacting with a companion.

WATCH THE GAME

EXSTETRA videos

Official trailers & gameplay

INSIDE THE WORLD

Screenshots & game images

5 official screenshots

IN THIS WIKI

Your reading checklist

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COMMUNITY

Player discussion

    QUICK ANSWERS

    EXSTETRA FAQ

    How do I awaken a Prisma Knight?

    Awakening occurs by sharing the EXS you absorb with a companion through a kiss, which unlocks their special abilities.

    Can I play using only a keyboard?

    Yes, the game includes a Keyboard Only Option alongside partial controller support.

    Is my progress saved across different computers?

    Steam Cloud is enabled, so your save data syncs when you log into the same Steam account on another machine.

    More EXSTETRA guides

    SOURCES & CREDITS

    Official resources and further reading

    Original editorial guidance. Game imagery and trailers are provided by the publisher through Steam. Media and reference links checked 2026-10-23. Game versions, supported platforms, and balance can change; consult the linked release notes for current details.