I-0 (video game)  I-0 is a piece of anonymous interactive fiction about the adventures of a teenage girl hitch-hiking on an Interstate Highway (in this case the nonexistent Interstate 0). It won the Best Game and Best Individual Player Character awards at the 1997 Xyzzy Awards, and was a finalist for six other categories. The game was generally praised for its branching plot structure and multiple puzzle solutions. The game is available freely online.