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About Orb of Aeternum
Orb of Aeternum is a game about defending an orb from invading humans. You mine through a mountain for gold and ancient artefacts, build rooms to improve your dungeon and units, and fight the intruders. Find the four runestones and seal the orb away for good.
Mine and build
Each session is short and action-packed, with new strategies required each time. The mountain is randomly generated, and you use ancient scrolls to build structures ranging from lava pools to fighting pits. Specialised rooms can upgrade your units and dungeon.
Rooms
Among the rooms you can build are:
- Fighting pit: train your brutes to become more powerful.
- Workshop: place deadly spike traps.
- Stone gazer: see farther into the mountain.
- Blood altar: turn your miners into fearless warriors.
More rooms await discovery. The game features pixel art and chiptune music and was made in PICO-8.
Frequently asked questions
The best price for Orb of Aeternum is $4.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for Orb of Aeternum are: Windows 10, 1 GB RAM, 50 MB storage. It also runs on macOS. The recommended specs are in the System requirements section.
No. Orb of Aeternum is a single-player game.
Yes. Orb of Aeternum is the full base game. You need nothing else to play it.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











