John Ray's Space Adventure is a retro point-and-click adventure game where players assume the role of John Ray, a space archaeologist on a mission to uncover ancient artifacts within the local star system. Under the employment of the wealthy Mr. Maljerk, John navigates through beautifully crafted pixel art environments, engaging with various characters, and solving intricate puzzles that revolve around collecting and utilizing inventory items.

The game features a classic point-and-click gameplay style, enhanced by atmospheric ambient music and sound effects. Players can expect humor, surprises, and a hotspot-highlighting function to streamline the exploration process. With manual save slots and an auto-save feature, players can enjoy a flexible gaming experience. The game's length varies, with advanced players likely completing it in a weekend, while newer players may take longer to finish the adventure. Available on iOS and Mac, it offers a nostalgic gaming experience for enthusiasts of the genre.