Spaceship Idle: Design, Build, Explore & Battle (tuxdb.com)

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Unique Weapons for Epic Space (Auto) Battles

Arm your ship with a vast arsenal: devastating autocannons, high-energy laser arrays, explosive missiles, and cutting-edge experimental weapons. Each comes with unique abilities and synergies. Send your spaceship into battle and watch it engage in automated combat against AI opponents—or even other players.

A Vast Tech Tree with Powerful Upgrades

Explore a galaxy of possibilities through a massive, intricate tech tree. Research advanced weapons and unlock game-changing upgrades—catalysts, add-ons, directives, and elements—each providing unique mechanics and strategies to power up your ship.

Bigger, Better Spaceships to Rule the Galaxy

Each prestige lets you construct bigger and stronger ships—expanding your reach across the galaxy, forging alliances, and defeating your rivals. The galaxy is yours to command.

Free Demo is Available Now!

I have made the game's demo public to prepare for the upcoming Steam Next Fest. After two playtests, the most nasty bugs have been ironed out. I am still working on bug fixing, balancing, QoL, and a new player tutorial.

https://store.steampowered.com/app/3558750/

I have also recorded a video intro, if you prefer video format.

You can check out the demo already, or wait until the Steam Next Fest for a more polished build. Here are some changes in the past few days:

All boosters now have "lifetime" in battle - they will disappear after reaching lifetime.
After 5 min, the spaceship battle will enter "sudden death" mode, and each module will take damage every second. The battle UI will show relevant information,
Reactive Regen is revamped: it now recovers 2x damage taken, instead of 10% of max HP,
When damage is evaded, it will no longer trigger "On Taking Damage" status effect
Added more info in the popup when entering a qualifier battle
Added batch upgrade / downgrade and "distribute evenly" feature
Added support for keyboard shortcut
Revamp the algorithm for ship ranking. Currently, it pairs all eligible ships in a Swiss-tournament. This is much faster than the previous Round-Robin tournament. As there are more ships now, this is more scalable.