Cosmic Osmo and the Worlds Beyond the Mackerel

What should I know before buying Cosmic Osmo and the Worlds Beyond the Mackerel?

Cosmic Osmo and the Worlds Beyond the Mackerel is a PC title released on 1 Jul 1989, developed by Cyan Worlds. The game blends Point-and-click and Adventure, shaping its core gameplay experience. On Steam, it holds a 80% user rating. The game includes 0 achievements. The base price on Steam is £5.99. Its historical lowest price was £0.12 from GameSeal on 10 Jan 2026. The current best offer is £0.19 from kinguin. We track 9 prices for Cosmic Osmo and the Worlds Beyond the Mackerel across multiple retailers. On the Steam Deck, ProtonDB rates the game as gold with 9 reports and a moderate confidence rating, giving handheld players insight into its performance. Cosmic Osmo and the Worlds Beyond the Mackerel presents an engaging experience for fans of Point-and-click and Adventure on PC.