We’re starting a new series at IGN called The Long Game, where we focus on things you can invest in early in new or popular games that will pay off in the long run. We’re starting this series with Stardew Valley, which celebrated its 10-year anniversary this year and is one of the most successful indie games of all time.If you’ve never played Stardew Valley before, it’s a farming and life sim where you leave your job at a soulless…