After raising $1 million in seed-stage funding back in October, LevelEleven has tacked on an additional $500,000, bringing the round total to $1.5 million. Based in Detroit, the company develops gamification software used to motivate sales teams. Led by Detroit Venture Partners, the round also saw participation from Hyde Park Venture Partners, First Step Fund and ePrize. LevelEleven’s lead product is an app for Salesforce.com that creates employee competitions which can be tracked within a company’s CRM system. LevelEleven will use the fresh cash for product development as well as sales and marketing.