Sigma Impact
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About Sigma Impact
Sigma Impact is a physics-based combat game set in a glass dungeon. You use momentum, timing and positioning to fight through rooms of enemies and obstacles, unlock weapons and perks, and make your way to the final boss. Runs take place in procedurally generated levels, and you can play alone, in local co-op or in PvP.
Combat and progression
Each weapon has its own abilities, and you adapt your approach as you advance through the dungeon. The game also includes a training room where you can practice with your weapons. Unlock new modes and weapons as you build your skills and pursue high scores.
Weapons
- Hammer: deliver powerful charged impacts, with damage depending on your timing.
- Mace: trigger explosions with charged melee attacks or throw it like a grenade.
- Spike: fire explosive bullets and earn extra damage with bullseye hits.
- Jet Hammer: spin using its jet engines and launch remote-controlled jet charges.
- Yo-yo: control its speed as you fling it, then trigger charged explosions for temporary damage boosts.
- Hexagon: stun and heal with charged strikes, or throw ranged flashbangs.
- Lance: make precise thrusts, fire charged lasers at range or lunge with explosive strikes.
- Claw: block with its shield-like shape, bash enemies and boost melee attacks with charged lasers.
Modes and sound
Sigma Impact has single-player, local co-op and PvP modes. Its soundtrack is composed in real time and responds to your actions.
Frequently asked questions
The best price for Sigma Impact is $4.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Sigma Impact are: Windows 7, Intel HD Graphics, 512 MB RAM, 64 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
Yes. Sigma Impact has multiplayer and a single-player mode. It supports split-screen co-op and split-screen PvP.
Yes. Valve rates Sigma Impact as Verified on the Steam Deck: it runs well out of the box.
Yes. Sigma Impact is the full base game. You need nothing else to play it.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











