Steam game

Arcadium - Space Odyssey

A bullet heaven roguelite set in a procedurally generated universe. Land on planets to harvest resources, craft hundreds of game-breaking builds, and unleash them on relentless waves of aliens. Every run unveils a new universe: endless challenges, endless discoveries.

$4.79 January 26, 2026

By Luciano Bercini

Windows macOS Controller: full
View on Steam
Arcadium - Space Odyssey - Luciano Bercini. Popular. Released January 26, 2026
Screenshot of Arcadium - Space Odyssey gameplay showing in-action mechanics Screenshot 2 of Arcadium - Space Odyssey - additional gameplay view Screenshot 3 of Arcadium - Space Odyssey - more gameplay footage Screenshot 4 of Arcadium - Space Odyssey - final gameplay screenshot

Overview

About this game

Harvest Planets

Use the calm moments between alien waves to land on planets, gather vital resources, and prepare for the next fight.

Explore the Universe

Each run generates a brand-new universe filled with unique planets, wandering merchants, cosmic anomalies, and unexpected discoveries as you travel through space.

Fight colorful waves of aliens

Encounter diverse alien species as you explore the universe. Tight movement, smart skill use, and solid preparation are essential as enemies grow stronger each round.

Build your way to victory

Choose your spaceship and combine artifacts, talents, items and relics to forge unique builds. Experiment with countless synergies and unleash your own playstyle in every run.

Key Features

  • Endless replayability: A procedurally generated universe that offers limitless exploration with planets, stars and cosmic wonders, setting it apart from traditional static or repetitive maps.

  • Countless builds: Hundreds of different abilities obtainable through talents, items, artifacts, and relics, that can completely shift the gameplay.

  • Strategic gameplay: Between alien waves, harvest resources from nearby planets and interact with the universe to prepare your next move.

  • Quick play sessions: Play in short bursts and pick up right where you left off.

  • And more: Missions, unlockables, secrets, and surprises await.

No cost picks

More free games like this

More

Same category

Same tags, different developer

More

More like this

Similar games

More Bullet Heaven games