A common detraction of the game was its length; as commented by GameSpot's review, "The main problem is that just as you're getting into a groove and really enjoying the variety seen throughout the different levels, the game ends." The length was defended by Sucker Punch's developers; Brian Flemming noted that there was additional content to be unlocked at several levels, including "for each Sprint you complete, you get bonus commentary from the designers, artists and programmers here at Sucker Punch, something that people have reacted to really positively." The game was also cited as being too easy, with GameSpot stating that "The game's relative ease combined with a very short length prevents Sly Cooper from becoming the next big platformer. But it's great while it lasts." However, "Official U.S. PlayStation Magazine" noted that in regards to the difficulty "There's a pleasant old-school feel to Thievius Raccoonus; the enemies are merciless but a bit stupid, and the platforming challenges come on strong and ramp up steadily in difficulty as the levels go by." Reviewers also noted some framerate slowdowns in latter levels of the game, as well as some camera control issues.