[PC, GOG] The Talos Principle: Gold Edition A$0.31 (Card Surcharge Inclusive) @ OG_Pharaoh via Difmark

Huge discount, new all time low. Steam review is overwhelmingly positive (95% of 27,800). Previousl Epic giveaway in 2019.
First person futuristic puzzle game. Low system requirements.
Key is from 3rd party seller, redeemable on Steam. (Mod note: Product page shows redeemable only on GOG.com.)

Note: This game is currently available via Prime Gaming. If you have a Prime Subscription, claim it before it goes away on June 5 via this link