Prism Fall: Idle Geometry

Contains adsIn-app purchases
Content rating
Everyone
0+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this game

Watch the shapes fall.

Prism Fall is a quiet idle incremental. Neon polygons drop down a dark column,
bounce off rotors, geysers and springs, and land on gates. Every shape that
lands pays out. Spend what it pays, unlock the chamber below, and let it run.

No aiming. No tapping. No timer shouting at you. One screen, one hand, and
numbers that keep climbing.


EVERY AD IS ONE YOU CHOSE

No interstitials. No ad when you open the app. No banners. Every ad in Prism
Fall sits behind a button you press for a bonus you asked for, and you can
ignore every one of them and still finish the game.


OFFLINE WITHOUT A CUTOFF

Most idle games stop paying you two hours after you close them. Prism Fall
keeps going. You earn your full rate for the first two hours away, then a
reduced rate after that, and it keeps counting for up to 90 days. The app
shows you the exact rate before you collect. Come back after a night, a
weekend or a holiday and there is always something waiting.


EIGHT CHAMBERS DOWN

DRIFT. ROTOR. SWITCHBACK. KICKERS. THE LADDER. GEYSER. SPRINGWORKS. THE LOCKS.

Each chamber is built around one obstacle and only one, so shapes fall through
each of them differently. Buy your way down and the column gets deeper every
time.


WHAT YOU BUILD

- 15 shape types: four polygons, seven stars, then four curves. Triangle to
Bloom, and each one has its own upgrades
- 5 upgrade tracks: shape value, spawn rate, fall speed, gate width, and an
impact bonus that pays you for bouncing off the obstacles
- 20 collectible cards, drawn with Prisms and levelled with fragments that
drop while you play. They survive every reset
- 12 perks, drawn fresh each run, so no two runs level the same way
- Two layers of prestige: Collapse for Cores, then Singularity
- A daily gate to fill, and a surge that turns up when it feels like it


BUILT FOR SHORT SESSIONS

Open it, buy an upgrade, close it. Or leave it running and watch the column for
ten minutes because it is nice to look at. Both are the intended way to play.
Minimal geometry, a deep dark palette, and physics you can watch instead of a
spreadsheet you have to read.


NO ACCOUNT, NO LOGIN, NO NOISE

The game plays offline. It does not ask for an account, a login, your email or
your friends list. Notifications are two at most - when your offline rate steps
down, and when the daily missions reset - and a single switch in Settings turns
them off. There is no energy bar, no lives, and nothing that expires while you
are gone.


OPTIONAL PURCHASES

A handful of one-time purchases speed things up, remove the offline rate decay,
or double your income. None of them unlock content you cannot reach by playing,
and none of them are required to finish anything.


A relaxing, minimalist idle game for people who would rather watch a physics
simulation than tap a cookie.

Come back whenever.
Watch shapes fall. Every gate pays. No ad on open, no 2-hour offline cutoff.
Updated on
Sep 14, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    App info and performance and Device or other IDs
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

Lower card, slot and boost costs.
More fragments from duplicate cards.
Existing slot owners receive a one-time price-difference refund.
Clearer upgrade, boost and shop information.
Improved daily missions.
Fixed repeated notification prompts and analytics initialization errors.