Accretion

Accretion

ValarFerys · May 15, 2025 · Action, Simulation, Strategy, Action Roguelike, Space Sim

Buy the Accretion key for Steam from Kinguin at $1.21 — the cheapest of 2 stores we compare.

PC
Mixed61% · 41
Best price 79 Lowest tracked
$1.21-88%
⭐ lowest tracked
Kinguin Buy at Kinguin

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Where to buy Accretion — official stores

Steam
Steam
Standard Edition · Steam
$9.99
Buy

Cheapest Accretion keys — keyshops

Keyshops are third-party marketplaces — keys are resold and can be region-locked or a different edition. Check the listing's region & edition before buying.

Kinguin
Standard Edition · Steam
$1.21
Buy

Accretion price by region

Accretion costs £0.77 in the United Kingdom, €0.89 in Europe (EUR), $1.21 in the United States, $1.21 in Georgia (USD), zł4.97 in Poland, CA$12.99 in Canada, A$14.50 in Australia, NZ$14.75 in New Zealand and R$32.99 in Brazil right now.

Cheapest Accretion offer in each region, in local currency
RegionBest priceOfficial storeKey shopStores
United Kingdom £0.77 −91% £8.50 £0.77 2
Europe (EUR) €0.89 −91% €9.75 €0.89 2
United Statesyour region $1.21 −88% $9.99 $1.21 2
Georgia (USD) $1.21 −81% $6.29 $1.21 2
Poland zł4.97 −89% zł45.99 zł4.97 2
Canada CA$12.99 CA$12.99 — 1
Australia A$14.50 A$14.50 — 1
New Zealand NZ$14.75 NZ$14.75 — 1
Brazil R$32.99 R$32.99 — 1

Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.

Screenshots

About Accretion

✦ AI summary

Accretion puts you in control of a celestial body that grows from a gas cloud into a supermassive black hole by consuming mass across the universe, all governed by real astrophysical laws including orbital mechanics, relativistic space distortion, and gravitational lensing. Intelligent civilizations emerge to aid or challenge you as you navigate procedurally-generated open universes and structured levels, combining strategy with action to outmaneuver opponents in an ever-evolving cosmic competition where your every move reshapes the fabric of space itself.

This is an impressive and unique game. You will control your own celestial body, plundering mass in the universe, evolving from a cloud of gas into a supermassive black hole that devours everything.

Astrophysics is the rule of the game

The game uses real physical rules to calculate the mass interactions between celestial bodies, and you will witness:
  • Spacetime distorted by mass
  • Small celestial bodies orbiting larger ones
  • The gravitational slingshot effect propelling bodies at high speeds
  • The unique accretion phenomenon of black holes
  • Celestial collisions creating deadly breaches
  • Supermassive black holes emitting sweeping jets
  • Influencing lower-dimensional universes through magnetic fields and gravity from higher dimensions
  • Dimensional reduction pulling all celestial bodies into one-dimensional space
All physical calculations are precisely balanced between gameplay and academic rules:
  • Orbital calculations are primarily based on Newton's law of gravitation
  • Space distortion calculations are based on relativistic rules
  • Every mass particle is controlled by real-time physical computations
  • The morphology of accretion disks fully considers the gravitational lensing effect
In an ever-changing environment, the motion of mass will exhibit extremely complex trajectories. As the plundering war escalates, the simplest particle effects at the beginning of the game will evolve into a torrent spanning the entire universe. This is a game where the visual effects cannot be predicted in advance, as everything depends solely on the physical rules and the mass you plunder.

Life Rewrites the Laws of the Cosmos

Intelligent life will arise amid celestial collisions and exchanges of mass. When the technological civilization that calls you its homeworld enters the space age, you gain unprecedented, formidable support:
  • An enlarged sphere of gravitational influence
  • Higher movement speed
  • Rapid repair of your mass breaches
  • Virtual decoys and foldspace wormholes
  • They even deploy trap mines and railguns to strike your targets directly
They do not fight to guarantee you victory in this cosmic race, but for their own survival. The lifeforms emerging in the latest version will profoundly rewrite the laws of the universe, delivering an experience unlike anything before.

Distinctive game levels and open scenes

The game offers a series of challenge levels with unique features and different objectives, and the open universe scenes are entirely procedurally generated. You can explore infinitely in any direction, with no boundaries. Your actions will also have a significant impact on the mass transfer between other celestial bodies, determining the course of the entire universe.

Strategy and action gameplay

As your celestial body grows, you will gain various abilities. In the midst of evading and chasing actions, you will need to utilize or combine these abilities wisely to defeat powerful opponents and achieve victory in the cosmic competition.

Accretion — game info

Platforms
Windows
Player modes
Single-player
Controller
Full controller support
PC Game Pass
Not included

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

✦ AI summary

Accretion is a space-themed mass-accumulation game with an interesting concept that some players find relaxing and enjoyable, but it suffers from pacing issues, unclear objectives, and incomplete English localization that detract from the experience. Players commonly complain about the slow grind for progression and the frustration of losing significant progress quickly to collisions or larger enemies, with some feeling the risk-reward balance is unfair. Most reviewers suggest grabbing it on sale if you enjoy low-stress gameplay, though some find it too slow and repetitive to recommend at all.

Recommended Jul 15, 2025
WASD - controls Dear dev, please consider adding WASD controls to the game — using the mouse feels a bit awkward. Thanks!
1 found this helpful
Not recommended May 18, 2025
I have to leave a negative review on this game. I put the game down after 1 hour because it just felt slow and sluggish. The game is boring and all you do is eat smaller levels of mass to get bigger and avoid bigger mass. Basically, Agario in the Solar System, if you will. It takes you so long to build up mass and then in a matter of seconds you can be hit and lose a good chunk of mass you've built up already and be forced to grind back the mass you lost yet again, which takes even longer to do if you can't find smaller mass at all. It is insanely unfair when you build up so much mass after wasting, like, 30 minutes and then lose half of that mass in a matter of seconds because of a collision or the bigger masses going after you. And speaking of that, as soon as you come into range of a mass that is bigger than you, they just make a beeline for you and go straight for you, completely stopping what they were attacking previously. You have to outrun the bigger mass constantly and they will absolutely not stop chasing you until you get far enough away from them to where they stop their chase. It breaks immersion and is just incredibly frustrating to have to constantly outrun the bigge…
1 found this helpful
Recommended Jan 21, 2026
It's a little slow going, and can be frustrating losing all of your mass at once, but it's pretty fun trying to get as far as you can. Grab it on sale if you're short on cash and want something relatively nonintensive
Recommended Oct 13, 2025
Interesting game with some unique mechanics. I need to play more to really get the hang of it but what I have played, I enjoyed.
Not recommended Aug 24, 2025
[h2] Ellietendo's Review Of Accretion [/h2] [u] I received a free copy of this game for review purposes. I used a mouse & keyboard combo for gameplay. [/u] [h3] Pros: [/h3] [list] [*] Nice Game Concept - The idea of this game is interesting, even more so if you already have an interest in planets, space, astronomy, etc. I wish I could give more positive things to say, unfortunately, I really can't. [/list] [h3] Cons: [/h3] [list] [*] Not Fully Translated To English - When I play this game, I was very concerned at the fact that I saw what I believe are Chinese characters. Clearly, this game was done in a rush and was not translated properly. This really hurts the game as I feel like it wasn't intended for international audiences. [*] Unclear Objectives - As with the above remark, due to the broken English, it means that the objectives all the actual game itself are unclear. In the end, I had to resort to trial and error in order to figure out how on earth this game actually works. [*] Tedious Gameplay - The gameplay is incredibly repetitive, and it's hard to find reasons to go back. You float around and absorb planets; that's pretty much it. It gets boring very qu…
Recommended May 18, 2025
I love this game for the relax side if I dont want to think to much and love the whole game..... wish there was a little more at the start

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