Elemental Dungeon — Roguelike

Mage

Focus

Your turn

ENEMY DEFEATED

Choose your upgrade

Full HP · +SP · Pick one. Items stack.

ENDLESS

Run ended

Every ending opens another path.

FLOOR REACHED1

VICTORIES0

TURN REACHED1

Upgrades

PERMANENT RECORDS

Achievement

AN ELEMENTAL ADVENTURE

Six elements. Endless possibilities.

CHOOSE YOUR PATH

ADVENTURER'S FIELD MANUAL

How to play

ONE GOOD SWAP

Match and cascade

Swap the middle gems. Match three.

Swap neighbours

Tap two neighbours or drag. No diagonals.

Match three or more

Match 3+. Cascades boost damage. Failed swaps are free.

Weather the counterattack

Match → effects → enemy attack. Win → +2 max HP + full heal.

No timer. Pause / Build / Log freeze combat.

Choose your element.

Base effects per gem. Combat damage ×0.8; healing and shields stay full.

Water = heal · Earth = shield · Frost = weaker attacks.

Mix the gems.

Base reaction effects. Combat damage ×0.8. Match an aura with its partner.

Wind and Earth react with an existing aura and leave it in place. Other paired reactions consume it. A new enemy starts without an aura.

ENDLESS

5 wins → 1 item

Win → +2 max HP + full heal. Every 5 floors → SP + 1 of 3 items. Bosses add +1 SP; deeper floors give more.

Items stack. Upgrades apply next run. Focus 10/10 = Empowered match.

STORY

A journey on equal footing

4 chapters × 8 battles. +2 max HP per win. No items or Upgrades.

Clear a chapter → unlock the next. Chapter unlocks are saved. Select a chapter to start again.

SPECIAL GEMS

Start an explosion chain

↔Whole row↕Whole column✹3 x 3 area✚Row + column

Match a marked gem → blast → chain. Explosion Upgrades raise spawn chances.

KEEP YOUR PROGRESS

Learn, discover, share

Auto-saved: Endless run · Upgrades · Achievement · Bestiary.

Refund rank = SP back. Refund child skills first. Share score = result image.

Tab away → pause. Background play: Settings.

Break the hazard.

Boss every 10 floors. Use these counters.

⛓

Chains

No swap. Break a neighbour, match, or blast.

✶

Embers

→ clear

1 damage / turn. Break it or use nearby Water.

⏳

Stasis

→ clear

No swap. Break it or use nearby Lightning.

◆

Shifting gems

Gems change after enemy attacks. Check again.

✦

Ice

→ clear

No swap. Hit once to thaw, or use nearby Fire.

✦

Regrowth

3+ / turn

Prevent the heal. Otherwise, 8% HP regrows after an attack.

⚡

Storm charge

3+ / turn

Every third attack surges. Lightning keeps its damage normal.

◆

Obsidian ward

3+ / cascade, or a blast

Break the 50% damage ward. It rearms every two attacks.

✹

Countdown bombs

nearby = defuse

Movable. Break or defuse before 3 turns: each bomb bursts for 5 damage.

↔

Rift shift

The marked row rotates after the attack. Gems and special markers move together; no free matches.

Hazards follow falling gems. New battle = clear board hazards.

CURRENT BUILD

Active upgrades

Combat log

FIELD GUIDE

Bestiary

Endless enemies use floor-based stats; Endless bosses have 1.8x HP and 1.25x attack. Story has its own encounter scaling.

Space / Enter

THE PEOPLE BEHIND THE

Credits

SP Editor

Available SP

✦CREATED BY

Sebastian Vahenta Setjo

TPG coursework · 2026

Visuals & interface

Pixel gems, characters, enemies, skill icons, chapter illustrations, visual novel backgrounds and standing characters, menu and battle scenery, and interface graphics were created in SVG and CSS for this project, with AI-assisted coding. The title logo was created with OpenAI image generation and optimized locally. No external art pack is used.

Music

The Leaflands & Normal Battle I
OCTOPATH TRAVELER II Original Soundtrack
Composer: Yasunori Nishiki · SQUARE ENIX

Audio files supplied by the project creator; compressed for this game.

Official soundtrack credits ↗

Sound & typography

Combat samples: qubodup (ice, electricity, earth), artisticdude (fire and spells), spookymodem (shield), and Ogrebane (teleport), via OpenGameArt. Samples are edited and compressed; UI sounds use Web Audio. Sound sources & licenses. Pixelify Sans by The Pixelify Sans Project Authors is bundled locally.

Font source · Font license (SIL OFL 1.1)

Thank you for playing Elemental Dungeon.

MAKE YOURSELF AT HOME

Settings

Audio

Sound

Music5%

Sound effects100%

Display

Fullscreen

Keep game running in background

Saved automatically in this browser.

Your adventure

Run result card with mode, progress, victories, turn reached, and item build

Save image

TRAINING GROUNDS

Boss Arena

Choose a boss

Upgrades active. 1 item / 5 levels. No rewards or progress.

Level

BOSS ARENA

No rewards. Your progress is unchanged.