Chain Reaction: Catalyst

Contains adsIn-app purchases
4.8
407 reviews
10K+
Downloads
Content rating
Everyone
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About this game

Chain Reaction: Catalyst is a casual strategy game about triggering visually and sonically stunning chain reactions.

Trigger four unique unstable shapes, each with their own reaction mechanics, strategies, and upgrades!

Reactions occur in sync with the music, experience rhythmically orchestrated chaos!

Non-linear progression. Play through the game your way, choosing to upgrade whichever shapes that you like best, first!

Choose between four difficulty modes with 105 levels to challenge in each!

Enjoy the high quality Persona 5 inspired visual style!
Updated on
Aug 18, 2025

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
App activity, App info and performance, and Device or other IDs
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

Ratings and reviews

4.8
386 reviews
Jorden Ford
August 29, 2025
not fun. the game has a nice ascetic, but it is 100% luck based. and not in a fun way. It's just frustrating. there is no skill or reasoning to the levels because there's too much going on. you pick a random place to press and pray. the upgrades aren't satisfying, the hit boxes are frustratingly jank, and the tutorial pop ups aren't very helpful. Just frustrating, not fun. dont waist your time.
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Magna Thedra
December 21, 2024
Love the game! It's a great combination of laid-back and addictive. It's part puzzle game, in that you need to pick the right shape, time, and location to get the best reaction. When you hit a wall in progress, it allows you to upgrade what you began with, helping you to pass stages that were truly impossible to start. The initial minimal design gives way to a fireworks show of color and shapes as you progress, and the pace of that progress is tuned just right, IMO. Overall a great game!
5 people found this review helpful
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medievaljedi
May 15, 2024
Great game, great pacing, loved the music and upgrade system. Only played the Easy mode but it was very satisfying. I wish that after completing the full mode, there was a way to rank 9 all shapes and go back and play with true max upgrades. Just for fun. Ads aren't too bad, but watching ad for level increase doesn't seem to actually restart ad timer. Pretty frequent, but not invasively so
11 people found this review helpful
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What’s new

1.06.3 Release Notes
- Updated packages