Workaround: Set digit grouping symbol to non-space character in Windows Locale settings. Hope it helps in bug squashing.

Having 1000+ gold and being/entering shop screen results in crash. Demo version 1.05. System.ArgumentException: The character ' ' (0x00a0) is not available in this SpriteFont. If applicable, adjust the font's start and end CharacterRegions to include this character. Parameter name: character at Micr...