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D-CSIL

A D-CSIL Game Studios Game for iPhone and iPad

Your Reflexes Become the Music.

PULSE is a procedural music survival game where every tap does more than earn points. The way you play actively shapes the music unfolding around you.

Same Seed. Different PULSE.

App Store · Free · V2.0.1

PULSE gemstone reactor with the Rhythm Survival boot wordmark

PULSE 2.0 · Now Free to Play

Make every run look like you.

PULSE 2.0 brings the full rhythm-survival game to iPhone and iPad for free, with four distinct themes included: Original, Spectrum, Obsidian Prism, and Paper Waves. Pick your look, chase your best score, and share a seed to challenge a friend on the same run.

Theme Set 1 adds 15 additional full-playfield looks — from the warm character of Analog Synth to the icy atmosphere of Glacier and the glowing lines of Phosphor — bringing new colors, textures, and backgrounds to the PULSE gameplay you love. It is an optional, one-time $4.99 purchase (US, prices vary by region). No subscription.

Already bought PULSE? If you purchased before the switch to free, Theme Set 1 is included at no extra charge. Thank you for being here from the beginning.

All 15 PULSE Theme Set 1 looks: Analog Synth, Signal Lab, Afterimage, Kinetic Press, Quiet Matter, Glacier, Terracotta, Sumi, Riso, Botanical, Phosphor, Blueprint, Cathedral, Ember, and Velvet

Theme Set 1 — 15 new looks · one-time unlock

How to Play

Instantly understandable. Difficult to master.

01

Play the Pulse

Tap when the incoming pulse ring meets the fixed outer hit-zone ring around the reactor. The closer your timing, the more points you earn and the stronger your run becomes.

02

Shape the Music

Your timing profile reshapes the hat feel, fill character, and melodic confidence, while your combo reveals the seed’s bass, pads, melody, and fills.

03

Unlock Euphoria

Survive the build, endure the countdown, and release the full composition in a synchronized burst of music, light, motion, and haptics.

Read the complete gameplay guide →

Musical Seeds

Every run begins with musical DNA.

A seed defines the starting rhythm, tempo, sound palette, and visual atmosphere. PULSE then combines that seed with your live performance to evolve the run.

Share the same seed with another player and you both begin from the same foundation. Your timing and play styles cause the music to branch in different directions.

Competition

Built for Game Center

PULSE is available now on the App Store for iPhone and iPad, with Apple Game Center authentication, score submission, friends rankings, and worldwide leaderboards.