hdi files are usually the easiest to use. There are a lot of supported extensions, but. There are a lot of games that play just fine on the handheld though, including action games like Rusty. Unfortunately, they are slightly outside of the RG351’s reach. The Touhou games are some of the most popular on the system. hdnĪs with most computer systems, performance on the RG351 can vary pretty widely depending on the game.