Sometimes, a bad game gets a follow-up. Other times, the original perfects the formula. Regardless of the reason, all of these games should have stopped at one.
The gaming industry craves sequels more than any other, perhaps to its detriment. Instead of highlighting new IPs, developers stick to tried-and-true franchises that already have a fanbase. For some series like Mario, Halo and Metal Gear, new titles manage to offer up innovations and improvements that trump previous hits. The following 21 games were sequelized for all the wrong reasons.