Steam News22 June 202614d ago

☢️ DEMO IS OUT NOW! Play Unstable Nuclear Reactor 🚀

🚀 I’m thrilled to announce that the demo for my game is now live! 💫 For the past 5 months, I’ve been developing this project completely solo.

In this update2

Full notes

Full Unstable Nuclear Reactor update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

0 fixes0 additions3 changes0 removals

Gameplay
Events
UI and audio

changed🚀 I’m thrilled to announce that the demo for my game is now live! 💫For the past 5 months , I’ve been developing this project completely solo . Throughout development, I conducted extensive playtesting with over 500 players across itch and various WebGL platforms to refine the gameplay experience.

changedDemo Features⚛️ Orbital Survival Mode – A unique 7-ring orbital challenge where you must manage steadily decaying reactor energy.

changed🚀 A Huge Thank You!If you haven't yet, please hit that Wishlist button and share the game with your favorite puzzle and strategy game friends, it helps the Steam algorithm more than you know!

Unstable Nuclear Reactor changes

changedFor the past 5 months , I’ve been developing this project completely solo . Throughout development, I conducted extensive playtesting with over 500 players across itch and various WebGL platforms to refine the gameplay experience.

changed⚛️ Orbital Survival Mode – A unique 7-ring orbital challenge where you must manage steadily decaying reactor energy.

changedIf you haven't yet, please hit that Wishlist button and share the game with your favorite puzzle and strategy game friends, it helps the Steam algorithm more than you know!

🚀 I’m thrilled to announce that the demo for my game is now live! 💫

For the past 5 months, I’ve been developing this project completely solo. Throughout development, I conducted extensive playtesting with over 500 players across itch and various WebGL platforms to refine the gameplay experience.

Unstable Nuclear Reactor Demo

Demo Features

⚛️ Orbital Survival Mode – A unique 7-ring orbital challenge where you must manage steadily decaying reactor energy.
⬡ Survival Mode (Hexagon) – A classic 7-ring hexagonal grid focused on long-term strategy and endurance.
🌿 Relax Mode (Hexagon) – A pressure-free experience with no energy drain or time constraints.
⏱️ Estimated playtime: 60–120 minutes of strategic puzzle-solving and reactor management.

I'd love to hear your feedback and see how long you can keep the reactor stable! ☢️🔥

🚀 A Huge Thank You!

We recently crossed 390+ wishlists, which is an incredible milestone for this solo developer journey. Your support, clicks, and hype keep this reactor running!

If you haven't yet, please hit that Wishlist button and share the game with your favorite puzzle and strategy game friends, it helps the Steam algorithm more than you know!

Source

Steam News / 22 June 2026

Open original post

Changelog.gg summarizes and formats this update. How we read updates.