

Sigma World Online
Crematorium of Time · September 4, 2026 · Simulation, Sandbox, Isometric, MMORPG, Space Sim
Buy Sigma World Online from Steam at $4.99 — the cheapest of 1 store we compare.
Where to buy Sigma World Online — official stores
Sigma World Online price by region
Sigma World Online costs £4.59 in the United Kingdom, $4.99 in the United States, €5.19 in Europe (EUR), $5.69 in Georgia (USD), CA$5.99 in Canada, A$6.95 in Australia, NZ$7.89 in New Zealand, R$19.49 in Brazil and zł21.49 in Poland right now.
| Region | Best price | Official store | Key shop | Stores |
|---|---|---|---|---|
| £4.59 | £4.59 | — | 1 | |
| $4.99 | $4.99 | — | 1 | |
| €5.19 | €5.19 | — | 1 | |
| $5.69 | $5.69 | — | 1 | |
| CA$5.99 | CA$5.99 | — | 2 | |
| A$6.95 | A$6.95 | — | 1 | |
| NZ$7.89 | NZ$7.89 | — | 1 | |
| R$19.49 | R$19.49 | — | 1 | |
| zł21.49 | zł21.49 | — | 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 Sigma World Online
Features of the project:
- Full interaction of players in the same game universe
- Generated star system: planets, satellites and asteroids
- Automatic creation of a starter star system for beginners every 3 in-game years (36 real days)
- Ecology of planets and satellites, pollution and contamination of planets
- Large tech tree and drawing table to speed up research
- Space flights, moving between different worlds
- Meteorites and gathering resources in space
- The construction of space stations with warp engine
- Primitive, solid propellant, ion and nuclear rocket engines
- Generation of properties of races of animals, development and life of animals in the environment, silicon life
- Character skills, genetics and abilities
- Combined cooking, product compatibility studies when creating dishes
- Crafting and various resources
- Various equipment: furnaces, crushers, refrigerators, etc.
- Research potions on the laboratory table. Buffs and debuffs
- Building
- Terraforming the map
- Farming and hydroponics
- Private territories
- Fully destructible environment
- Transport: cars, boats, amphibians and tanks
- Trading stations for offline trading between players
- Ratings
- Clans and friends
- Robotics
In the plans:
- New types of planets and space bodies
- New star clusters
- Construction of a collider to obtain antimatter
- Antimatter Quantum Engines
Sigma World Online — game info
- Platforms
- Windows
- Player modes
- Single-player, Online co-op
- PC Game Pass
- Not included
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
Very slow game with not much to offer honestly and if no ones playing it, well the game is basicly not really playable.2 found this helpful
Very slow paced, semi-idle game. Simple gameplay loop: acquire materials while waiting for research, later research requires new resources from other planets, acquire those materials while waiting for research. Only major downside is the lack of an official server. This isn't an a huge problem unless you want to play this similar to a MMO, but that does lead to issues with land claims and "limited" resources.1 found this helpful
ok so this game was made by Uncle Alex who put a lot of work into it. With that said it really needs more work and has huge potential first off it needs dedicated servers,second a bit of tweaking, but mostly i just needs tender loving care from its creator who mentioned he put it on steam because it was just sitting on his shelf gathering dust. so who know how this will turn out. current biggest hic-cup is steam doesn't see the servers at times making logging in without a direct connect impossible. looking forward to seeing what happens in a few months since writing my review i can no long give a thumbs up several times the game crashes or does a lag spike and you lose hours and thousands of materials you spent an hour or more farming1 found this helpful
Slow. Way too slow. It takes away any chance of actually enjoying the progression. The graphics are abysmal, though that was of course expected. What wasn't was the animations, which are few and simplistic, even compared to the graphics in general.
This game has so much potential and for only a few bucks it has a TON of content. Its a bit rough around the edges and has a bit of a learning curve but I've paid way more for way worse. 100 hrs in and im still finding new things and have plenty of other things to do.
Alright game, hopefully it gains some more traction and a larger community can form. Could do with a bit of control/inventory/crafting polishing. The player energy mechanic disrupts the flow in my opinion, but I enjoy smoking cigars to recover, maybe make them cheaper to craft.
Community reviews
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