Game artwork supplied by CheapShark. Rights belong to the publisher.
US-dollar quote supplied by CheapShark. Confirm activation platform, edition, region restrictions and any membership requirement at the retailer. Comparisons apply only within this group.
Authorized retailer · Confirm at retailer
staleUS-dollar quote supplied by CheapShark. Confirm activation platform, edition, region restrictions and any membership requirement at the retailer.
Heroes of Science and Fiction (formerly known as Silence of the Siren) is a turn-based strategy game where several different space-faring civilizations fight over control of a distant star system. Explore what’s left on the planets and secure resources to build mighty cities. Raise powerful armies and defeat your opponents on the battlefield!
Heroes of Science and Fiction contains 5 playable factions, four campaigns with 4 levels each and 30+ skirmish maps set in colorful environments.
Each faction brings its own base, 7 upgradeable unit types, a special skill and a set of commanders to choose from. There are 24 skills, 54 active commander abilities and various pieces of equipment, consumables and artifacts.
The Siren star system, birthplace of a galactic alliance, and the homeworld of a lost Primals civilization, has been cut from the rest of the galaxy. As a result, the carefully built alliance split into bickering factions and secluded colonies. These days, hardly anyone pays attention to the ruins scattered all over the few habitable planets of a freshly isolated system. The deeper you venture into the…
Official store excerpt · Description source ↗
Read the store description ↗
Store edition identified by retailer-11-305791. Check the source for included content.
PCUS / USD · Confirm at retailer · This exact edition and purchase conditions only.
One recorded observation. Not enough data to show a price trend.
USD 11.99 lowest since tracking began on Oct 11, 2026, 03:54 AM UTC.
| Observed at (UTC) | Price |
|---|---|
| Oct 11, 2026, 03:54 AM UTC | USD 11.99 |