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At the height of urban civilisation, Thea’s sprawling mega-cities stood as monuments to human achievement. Then came the Darkness — a cataclysm that shattered society, claimed billions of lives, and left the world in ruin. In the chaos, a secret network of underground shelters became the last refuge for the few who survived. Project Thea, the final remnant of the Ostoya mega-city, now stands as sentient-kind’s last hope. As its sole guardian, you must venture into the treacherous Wastelands to scavenge vital resources, confront roaming threats, and guide the Project’s growth. Every decision counts — for if the Project falls, civilisation will fall with it.
Game modes: Single player, Co-operative
Right now the lowest price for Project Thea we're tracking is $19.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for Project Thea is $15.58 at Kinguin on July 6, 2026. The current best price is about 28% above that low.
77% of 81 Steam user reviews for Project Thea are positive ("Mostly Positive").
Project Thea released on November 20, 2025, developed by MuHa Games and published by MuHa Games.
Project Thea is available on PC (Microsoft Windows). It supports single player, co-operative.
Project Thea last hit a new low of $15.58 on July 6, 2026 at Kinguin. Current best price is $19.99. Prices on this page refresh every few minutes, so check back around seasonal sales for new lows.
The cheapest Project Thea price right now is $19.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest price | — | $19.99 | Buy Project Thea at Steam |
All-time low: $15.58 at Kinguin on Jul 6, 2026 — the current best price is 28% above it.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
