Since items can be duplicated they can then be fused together into more valuable items. Those new items can then be duplicated again creating progressively more valuble items to the point where the game refuses to acknowledge them.
Game: https://store.steampowered.com/app/1106840/Hydroneer/
Music: (Vexento) https://www.youtube.com/channel/UCYZ9rknEmE4R1J_HBJ2yBlQ