Games like Sigma Impact
If Sigma Impact is your kind of game, the closest matches are Rocket!, GONNER2 and Freaky Awesome — picked from the ranked list below. Reviewers single out its challenging, contemplative and hypnotic. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About 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.

Players who liked Sigma Impact also play
Steam players who put hours into Sigma Impact also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Rocket!
WHY THIS
Top pick for Sigma Impact fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Sigma Impact.
Destroy enemy ships, blast away asteroids and unlock new weapons / ship abilities in this endless arcade roguelite. Earn resources through each of the 7 game modes to upgrade your weapons to outlast them all.
GONNER2
WHY THIS
Shares a challenging mood with Sigma Impact.
Second-strongest match for Sigma Impact fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Sigma Impact.
In this sequel to GoNNER: Journey your way through deep dark chaotic places with unimaginable sparks of colour as you go on a mission to help Death rid a mysterious presence from her lair. Battle crazy bosses, lose your head (a lot), in this messy, cute, fast-paced procedurally-generated platformer.
Freaky Awesome
WHY THIS
Shares a challenging mood with Sigma Impact.
Third-strongest match for Sigma Impact fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Sigma Impact.
Freaky Awesome is a hectic action rogue-lite. You explore a randomly generated old factory, fighting weird monsters and avoiding traps. Toxic wastes will make you mutate, gaining different powers every time. You will need to adapt to your mutations to survive!
Kill to Collect
WHY THIS
Shares a hypnotic mood with Sigma Impact.
Ranked #4 for Sigma Impact fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Sigma Impact.
Welcome to the last city on Earth. Earn your keep and die trying in Pieces Interactive’s cyberpunk action rogue-like, featuring 1-4 player co-op. Travel down the sleepless cesspool of murderous vagrants and cybernetic freaks, as you slice and dice your way to the lower levels of Geoshelter Alpha.
Legend of Dungeon
WHY THIS
Ranked #5 for Sigma Impact fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Sigma Impact.
Legend of Dungeon is a randomly generated action RPG Beat'em'up with heavy Rogue-like elements, striking visuals, and dynamic music.
Streets of Rogue
WHY THIS
Shares an immersive mood with Sigma Impact.
Ranked #6 for Sigma Impact fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Sigma Impact.
Fight, sneak, and hack your way through randomly generated cities. It's like Nuclear Throne meets Deus Ex, mixed with the anarchy of GTA. Rogue-lite meets immersive sim, and goes completely insane.
Catacomb Kids
WHY THIS
Shares a hypnotic mood with Sigma Impact.
Ranked #7 for Sigma Impact fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Sigma Impact.
Catacomb Kids is a brutal platformer roguelike that pits you against the deadly Catacombs aided only by magic, steel, and your quick reflexes. Traverse procedurally generated dungeons and hack, slash, burn, and blast your way through hordes of things that want to kill you.
CRYPTARK
WHY THIS
Shares a challenging mood with Sigma Impact.
Ranked #8 for Sigma Impact fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Sigma Impact.
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
Cheaper alternatives
Games in the same vein priced at least 40% below Sigma Impact at current Steam store prices.
POSTAL 2
WHY THIS
Priced ~80% under Sigma Impact on Steam right now. Shares Action and Indie with Sigma Impact.
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
The Test
WHY THIS
Priced ~60% under Sigma Impact on Steam right now. Shares Indie with Sigma Impact.
You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?
Milk inside a bag of milk inside a bag of milk
WHY THIS
Priced ~70% under Sigma Impact on Steam right now. Shares Indie with Sigma Impact.
A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.
Blood and Bacon
WHY THIS
Priced ~80% under Sigma Impact on Steam right now. Shares Action with Sigma Impact.
This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.
STAR WARS™ Republic Commando™
WHY THIS
Priced ~50% under Sigma Impact on Steam right now. Shares Action with Sigma Impact.
You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.
shapez
WHY THIS
Priced ~80% under Sigma Impact on Steam right now. Shares Indie with Sigma Impact.
shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!
STAR WARS™ Jedi Knight - Jedi Academy™
WHY THIS
Priced ~50% under Sigma Impact on Steam right now. Shares Action with Sigma Impact.
Forge your weapon and follow the path of the Jedi Jedi Knight: Jedi Academy is the latest installment of the highly acclaimed Jedi Knight series. Take on the role of a new student eager to learn the ways of the Force from Jedi Master Luke Skywalker.
The Test: Hypothesis Rising
WHY THIS
Priced ~60% under Sigma Impact on Steam right now. Shares Indie with Sigma Impact.
The second chapter in The Test trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover how your life can change drastically with just a few, slight modifications. ...But are you sure you want the answers you seek?
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
Counter-Strike:Global Offensive
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Sigma Impact.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
The Expendabros
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Sigma Impact.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
Iron Snout
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Sigma Impact.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
UNBEATABLE [white label]
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Sigma Impact.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
Disfigure
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Sigma Impact.
Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!
DORONKO WANKO
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Sigma Impact.
『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.
Samorost 1
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Sigma Impact.
Explore the beginnings of the Samorost series in the space gnome’s original bite-sized adventure, formerly released in 2003. Now with remastered sounds, enhanced graphics, and new music by Floex.
Narrow it down
Head-to-head comparisons
Plays great on Steam Deck
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.
GONNER2
WHY THIS
Shares a challenging mood with Sigma Impact.
Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Sigma Impact.
In this sequel to GoNNER: Journey your way through deep dark chaotic places with unimaginable sparks of colour as you go on a mission to help Death rid a mysterious presence from her lair. Battle crazy bosses, lose your head (a lot), in this messy, cute, fast-paced procedurally-generated platformer.
Freaky Awesome
WHY THIS
Shares a challenging mood with Sigma Impact.
Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Sigma Impact.
Freaky Awesome is a hectic action rogue-lite. You explore a randomly generated old factory, fighting weird monsters and avoiding traps. Toxic wastes will make you mutate, gaining different powers every time. You will need to adapt to your mutations to survive!
Kill to Collect
WHY THIS
Shares a hypnotic mood with Sigma Impact.
Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Sigma Impact.
Welcome to the last city on Earth. Earn your keep and die trying in Pieces Interactive’s cyberpunk action rogue-like, featuring 1-4 player co-op. Travel down the sleepless cesspool of murderous vagrants and cybernetic freaks, as you slice and dice your way to the lower levels of Geoshelter Alpha.
Catacomb Kids
WHY THIS
Shares a hypnotic mood with Sigma Impact.
Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Sigma Impact.
Catacomb Kids is a brutal platformer roguelike that pits you against the deadly Catacombs aided only by magic, steel, and your quick reflexes. Traverse procedurally generated dungeons and hack, slash, burn, and blast your way through hordes of things that want to kill you.
CRYPTARK
WHY THIS
Shares a challenging mood with Sigma Impact.
Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Sigma Impact.
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
Frequently asked about Sigma Impact
- Is Sigma Impact verified for Steam Deck?
- Yes — Sigma Impact is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
- How much does Sigma Impact cost?
- Sigma Impact is listed on Steam at 4.99 USD (current store price; Steam sales may reduce this temporarily).
- Does Sigma Impact have multiplayer or co-op?
- Yes — Sigma Impact supports multi-player play according to its Steam store listing (Multi-player, Shared/Split Screen PvP, Shared/Split Screen Co-op).
- What games are most similar to Sigma Impact?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Sigma Impact are Rocket!, GONNER2, Freaky Awesome.
- Who developed Sigma Impact?
- Sigma Impact was developed by John Bishop.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Sigma Impact.
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![UNBEATABLE [white label] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1290490/header.jpg?t=1736770503)


