FWsim - Fireworks Display Simulator

FWsim - Fireworks Display Simulator

Released Nov 2023

Light the sky and express your creativity with the sandbox simulator FWsim – Fireworks Display Simulator! Enjoy an easy-to-master professional software used by fireworks experts all over the world, and use your favorite music and 3D iconic landmarks to create unique, unforgettable moments.

96% positive · 133 reviews
Not yet
Released, but still in active development
High confidence
Active Development
Not yet
Released, but still in active development
High confidence
Active Development

Where to buy

Steam $49.99
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Evaluation

FWsim launched on Steam Early Access in 2021 and graduated to a full 1.0 release on November 3, 2023. Since then, the developer — Lukas Trötzmüller — has maintained a consistent and active update cadence across multiple years. Major milestones include: the 1.0 launch with completely new graphics and Google Maps 3D world loading (November 3, 2023), FWsim v4 announced in January 2025 with significant show editor and effects improvements, FWsim 4.1 with automatic beat detection (June 16, 2025), a major performance improvement patch (September 16, 2025), and most recently FWsim 4.4 on June 15, 2026, which added motorized stars, graphics improvements, accelerated rendering support for dedicated GPUs, and a wide range of effects editor improvements. The developer has never indicated that development is winding down or complete. Updates have arrived consistently across 2023, 2024, 2025, and into 2026, with the most recent patch arriving just two months before today's date of August 19, 2026. This is well within the historical update window established by years of regular releases. The store description also notes "more to come" regarding firework effects. There is every indication the developer continues to actively improve the product.
Evidence
FWsim 4.4 released with motorized stars, accelerated rendering support, graphics improvements, and a wide range of effects editor enhancements.
news post · Jun 15, 2026 source development ongoing
high
Massive performance improvement patch released, including better show editing performance and timeline improvements.
news post · Sep 16, 2025 source development ongoing
high

Media

Details

Publisher
Lukas Trötzmüller
Achievements
—
Platform
Windows
Controller
—
Steam Deck
Not rated
Players
Single-player

About this game

FWsim is one of the best 3D simulation tools of the fireworks industry, used and acclaimed by professionals and fireworks enthusiasts all over the world. After 10 years of success, and with more than 30.000 fireworks shows designed, Fwsim reaches Steam Early Access. We're looking forward to getting its next iteration to its max potential with your feedback!

One of the first and best memories we all often have is the sense of marvel at watching one of these shows as small kids. The sky lights up in thunder, flashing in the brightest colors like if it was tearing asunder. And you, mouth agape, the music and bangs ringing in your ears, walk back home wondering if you could some day wield that incredible magic in your hands. Now you get to revive this feeling by creating your own display with Fwsim – Fireworks Display Simulator!

FWsim is an incredibly intuitive tool, so easy-to-use that within minutes you will be creating a fireworks display that will leave you amazed. This sandbox simulation tool is a great way to have fun and relax expressing your creativity – no pressure, no defeat screen, just the pure unadulterated fun of creating a unique show of light and music. Pick up your favorite song, choose among dozens of iconic landmarks from all over the world, and start designing a fireworks show that will be remembered for the ages.

Intuitive as FWsim may be, it doesn’t sacrifice an inch of realism. Used by fireworks companies and freelance pyrotechnicians all over the world, FWsim features a wide variety of fireworks and effects and realistic physics and scale in 3D environments, allowing you to customize your show to its smallest detail. From the simplest parts to the most complex effects, combine everything to create your display with multiple firing lines, shells up to 600 mm and real recorded sounds in stereo for better authenticity, there will be no limits to what you can do!

KEY FEATURES

  • Design your unique fireworks show combining music, fireworks and 3D models

  • Choose from 400 realistic firework effects already included – more to come!

  • Create your own pieces of firework by combining individual components, just like real specialist do!

  • Synch your fireworks with your favorite music with spectacular camera movement

  • Feel every explosion thanks to recorded real sounds

  • Enjoy your creations in realistic 3D environments with iconic landmarks such as the Eiffel Tower or the Empire State Building

  • …or have them light up wherever you want importing 3D buildings – from your city or backyard to any famous place you can think of

  • Share your creations exporting the video up to 4K resolution, compatible with Youtube and social media channels. (Steam Edition exports carry a small FWsim watermark)

  • Great optimization: flawless performance even when designing massive displays

    ABOUT THE STEAM EDITION

    The FWsim Steam Edition is built for hobbyists, enthusiasts, and anyone who wants to design and share fireworks shows for fun. You get full access to the industry-leading FWsim 3D Graphics, including Google Earth 3D Locations. The one thing to know up front: videos you export include a small FWsim watermark in the corner.

Last evaluated Aug 19, 2026
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