Developer VBlank Entertainment will be pleased with the success of its GTA homage title, Retro City Rampage, which leads the list of most purchased Vita games via the US PlayStation Store.
It placed ahead of big-name titles such including Assassin's Creed 3: Liberation and LittleBigPlanet PS Vita, which had to settle for second and third respectively.
Meanwhile on PS3, Telltale's The Walking Dead continues to dominate PS Store charts, with Episode 4 now taking the top spot, while Sonic Adventure 2 and inFAMOUS Festival of Blood rounded out the top-three.
Grand Theft Auto 3 was the top PS2 classic, and FINAL FANTASY VII continues to be the most popular PSone Classic.
Check out the full charts over on the US PS Blog.