The top 15 venture capital firms investing in games have more than $1.5 billion under management, according to a report from game industry advisory firm Games One.

All of those firms were formed in the past decade, and they are making up for the fact that no game-specific VC funds served game startups from 1972 to 2009, said Evan Van Zelfden, managing director at Games One, in an interview with GamesBeat.