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FWsim - Fireworks Display SimulatorNewsFWsim is available now!
Steam news

FWsim is available now!

FWsim - Fireworks Display Simulator · published 16 Feb 2021, 14:41 UTC

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Hi everyone, and welcome to FWsim: Fireworks Display Simulator!

This is a very exciting day for me: FWsim is finally available on Steam Early Access. I released the first version in 2010, and always had one goal in mind: to create the most realistic fireworks simulator available. Something that is close to reality and useful for fireworks professionals, but also intuitive, easy and fun for amateurs and fireworks enthusiasts. It’s been over a decade now, and thousands of simulations - and real fireworks shows planned with FWsim - are a testament that this goal has been achieved.

Fireworks Design is both a science and an art. Unlike other forms of art, pyrotechnics is available only to a handful of professionals. Not anymore! FWsim makes it possible for anyone to create their own fireworks show and express themselves in this unique medium. My intention with the Early Access Launch is to bring this experience to more people. People like you, who might love fireworks but haven't had any direct experience with them yet.

This is just the beginning of the road, of course – as you can see in the Early Access FAQ. FWsim is already a complete fireworks simulation experience. You won’t find an incomplete or half-done product here: from the get-go, you will have lots of fun designing your fireworks shows, and you’ll be able to share it with your friends on social media, Youtube, etc. We’re working to make it easier to use over the next months, and there are many ideas on the table: better graphics, better UI, new game mechanics…

Your feedback will be essential. The ideas of you and other players like you will help shape the next version of FWsim and guide the whole development process. You can join the community here in the Steam forums and follow our social media channels (Twitter, Facebook and Instagram). We also have an active community forum where very experienced FWsim users hang out. Thanks a lot for being here and for your support; I’m looking forward to meeting you in the community and seeing your first fireworks displays!

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Major update8 Sep 2026v4.4.2 - Massive Effect Editor Upgrade, plus improved performanceFWsim 4.4.2 is rolling out on Steam now. This one is all about the effect editor, plus a speed boost that everyone gets without touching a single setting. Faster out of the box · Accelerated Rendering is now on by default. Same visual quality, noticeably faster, and easier on laptop batteries. It works on NVidia and AMD dedicated graphics cards, and you can switch it off under Preferences > Gra…Major update15 Jun 2026FWsim 4.4 - Motorized Stars, Better Performance, and new effects featuresCheck out update 4.4! Here's what's new: ⭐ Graphics improvements · More realistic appearance of stars · Accelerated Rendering (Settings → Graphics) — runs much faster and uses less battery at the same visual quality. Available on NVidia and AMD dedicated graphics cards. · Even without accelerated rendering, this new update should be faster on all systems. · More realistic water reflections ✨ Ef…Game update16 Sep 2025Massive Performance ImprovementIn this update: · Better performance when editing your show, especially on large shows with many cues · New option: “Reverse Order on Timeline” (CTRL + SHIFT + R). Use this when you make a stepper out of single cues and you want to reverse the order. · The timeline now looks much better when you zoom out very far. Your show will look cleaner and it’s easier to make edits even at extreme zoom le…