I get no errors, but when I build my game, the particles and landscape are invisible. I just put some basic white particles that look like sparkles, and landscape with sand material with height deformation. Ive tried duplicating the landscape and rebuild the landscape, and its still always invisible when I built the game but it looks good in editor. I dont know what can I do. See how it looks in editor compared to in built game ):
Hey there @wolfwrenn! Welcome to the community! I found this thread on disappearing landscapes, that also links another thread with a possible solution. Let me know if this helps!