PVKK from the Dome Keeper devs has you manually control a massive planetary defence cannon

Developer Bippinbits have announced PVKK: Planetenverteidigungskanonenkommandant (yes really) as their next game following Dome Keeper. It looks suspiciously like Dome Keeper is 3D, but it's a lot more than that.

More about it: "In PVKK, you step into the role of a cannon pilot for an autocratic regime, confined to a defense bunker. Your mission: manually control a massive planetary defense cannon to fend off an ongoing interplanetary invasion. Master the various systems to protect your home world.

Interact with a retro-tech cockpit filled with satisfying buttons, levers, dials, and switches. Manage energy generators, scan the skies for enemy vessels, analyze threats, calculate fire trajectories, and execute precise firing procedures. With limited resources and a strict regime, strategic thinking is key to your success."

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Features:

• Immersive Cockpit Interaction: Engage with a detailed, tactile control panel filled with retro-tech elements.
• Deep Narrative: Experience a story rich with political intrigue and moral dilemmas.
• Customization and Upgrades: Improve your bunker and cannon to face increasing challenges.
• Atmospheric Setting: Enjoy the unique blend of a cozy yet oppressive bunker environment.
• Multiple Endings: Your decisions have a significant impact on the story's outcome.
• Hidden Secrets: Uncover bit by bit what is going on outside of the bunker through engaging escape room-style puzzles.

It's made with Godot Engine again and the developer confirmed Linux support for it.

You can follow it on Steam.