Event
Small Bugfix Patch
Fixed a problem that was causing a draw event error message for some players.
Steam
Sigma Impact
Also known as Sigma Impact, si, sigma impact
A physics-based 2D action roguelite set in a dungeon of glass. Master intense combat, be immersed in captivating visuals with adaptive music and sound design tailored to your gameplay.
Last update
21 May 2026
Players now
0
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- December 2022
- Sigma Impact UpdateIt's out! There's still so much I want to add/tweak but the Winter sale is a good time to find a stopping place and put this thing out. Thanks again to everyone for playing this thing along with me, and especially to ev…
- November 2022
- Autumn Sale - 33% Off!Hey, I realized I forgot to sign up for the Autumn Sale on time. If you bought the game at full price, thank you!!! But to make it up, if you bought the game during the sale at full price let me know and I'll send you a…
- October 2022
- Looking for testers for new update! Discord server back up!Hi! Sorry for such a long wait, but the update I've been working on since release is finally ready to open up for public testing. You can find it in the Betas tab of the game properties in Steam. If you're interested, c…
- October 2021
- Sigma Impact Testing Branch AvailableJust wanted to give a little update on my progress and announce that I've added a test branch if anyone would like to try the latest build. The only new things in the test branch are some big visual updates/optimization…
- September 2021
- September 6th Small Update/Developer PlansThis small update has a couple new features/bug fixes which I'll list below but first I'd like to just say a couple things about my current work schedule and plans for the future of Sigma Impact. The past couple weeks s…
- August 2021
- Aug 17th Small Update-Added toggle for dynamic camera (under game options) -Added score counter for arena -Added achievement for getting arena weapon -bugfix for helping crashing issue for some players -fixed "Bell Breaker" achievement to r…
Gallery
In-game media
Achievements
Community progression
Top picks from 16 Steam achievements, sorted by player unlock rates.
- Long ThrowHit an enemy with a long throw attack53.4%
- Boss DefeatedBeat the final boss44.4%
- Sigma SpeedBeat the game in under 10:0034.2%
- HammerBeat the game using mostly the hammer26.2%
- MaceBeat the game using mostly the mace24.8%
- SpikeBeat the game using mostly the spike21.3%