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In „Episode 3 – Derivation“, you take on the role of Emma, a brilliant mathematician, who struggles to make her voice heard in the male-dominated world of academics at the beginning of the 20th century. Can she lift the curtain of reality to get a glimpse of the principles governing her world?
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
This is the base game required to play this DLC. Other expansions may also be required.
Right now the cheapest offer for The Lion's Song: Episode 3 - Derivation is CA$5.29 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for The Lion's Song: Episode 3 - Derivation is CA$3.17 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when The Lion's Song: Episode 3 - Derivation drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
