Tonda Ros, creator of Blue Prince, has played UFO 50 for almost 700 hours: 'I think it's easily my favourite game of the last 20 years'

Welcome to Disk Cleanup, our regular weekend feature delving into the PCs of PC gaming luminaries. Come back every weekend to read a new interview, digging into the important questions, like "How tidy is your desktop?" and "What game will you never uninstall?"

Tonda Ros was first drawn to PC gaming at seven years old, after playing the action-adventure classic, Beast. "It's kind of like an open, nonlinear Sokoban that's action-based and not puzzle-based," says Ros, the creator of 2025's Blue Prince. "I think it was the next year where we had a 386 PC in the house, and that's when the floodgates opened … when I played Tank Wars and the original SimCity and Star Control."

Establishing a career as a cinematographer and visual artist, in 2016, Ros began working on Blue Prince. Inspired by games like Myst, board games like Jewels in the Attic and puzzle books like Maze: Solve the World's Most Challenging Puzzle, Blue Prince was …