Creepy Scary
Play solo or in local co-op, choose your character, and race against time in a haunted cemetery. Find three magical items, hide from monsters, solve puzzles, and use special abilities to survive.

Very Positive · 102 reviews
97% positive (99 / 102)












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.
Released
August 11, 2021
Price
Platforms
Windows
Developer
Publisher
Last sync
September 25, 2026
Welcome to Sigma Impact, a physics-based combat game that challenges your skill, timing, and creativity. Master momentum and positioning to execute devastating attacks with a variety of unique weapons, each with its own special abilities.
Embark on a rewarding journey as you conquer room after room of the glass dungeon, unlocking powerful weapons and perks along the way. Choose from the mighty Hammer, the explosive Mace, the precise Spike, the versatile Jet Hammer, the innovative Yo-yo, the healing Hexagon, the deadly Lance, and the defensive Claw. Customize your playstyle and adapt to overcome the enemies and obstacles along your path to the final boss.
Sigma Impact offers an immersive experience with dynamic physics, strategic combat, and captivating visuals. Beginners and veterans alike will find a challenge in this adrenaline-pumping "pick up and play" indie gem. Sharpen your skills in the training room, perfect your weapon of choice, and brave the depths of the glass dungeon in your quest for mastery and high scores.
Unique Physics-Based Combat: Master the art of swinging your hammer with momentum, and experience the intensity of strategic, physics-driven battles.
High Replay Value: Embark on countless runs with procedurally generated levels, a diverse array of weapons, and exciting perks that will keep you coming back for more.
Local Co-op and PvP Modes: Team up with friends for cooperative play or challenge them in exhilarating player-vs-player battles.
Immersive Dynamic Soundtrack: Get lost in the game's dynamic audio experience, with a real-time composed soundtrack that adapts and reacts to your every move, enhancing the intensity and excitement.
Stunning Visuals: Dive into Sigma Impact's vibrant world, brought to life with striking graphics and a captivating aesthetic.
Challenge and Mastery: Overcome a steep learning curve, unlock new modes and weapons, and push your skills to the limit in this "easy to learn, hard to master" experience.
Sigma Impact has been receiving overwhelmingly positive reviews from players who appreciate its satisfying physics-based gameplay, engaging mechanics, unique combat, and fantastic visuals. The game has been compared to classics like Hammerfight, with many players noting the high skill ceiling and replay value. The controls may be challenging at first, but players find them rewarding once mastered. The game offers single-player, local co-op, and PvP modes, catering to various preferences. The dynamic music and sound design are also praised, enhancing the immersive gameplay experience.
While the game is considered short, players find it well worth the price and express hope for additional content in the future, such as more levels, enemies, and weapons. The developer's dedication and responsiveness to feedback is also appreciated, and the game is highly recommended for its price. Overall, Sigma Impact is seen as a polished, satisfying, and addictive indie gem that provides hours of fun.
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