Why?—edited by Julius Kovesi and Anthony Kenny at Oxford between 1958 and 1959 (this collection selected and edited by Janet Kovesi Watt in 1988)—is available here as a PDF [10MB].
In addition, the Philosophy Snakes and Ladders board is available as a single-page PDF [475KB].
(Both were released to mark the publication of Values and Evaluations in October 1998.)