Fast Food Tycoon 2 (AKA Pizza Connection 2) was absolutely amazing. I spent so many hours customizing my pizzas and filling up the competing pizzerias with cockroaches and woodworms (and occasionally kidnapping their employees).

The English version had some bizarre translation quirks, but those just add to the retro charm.

One time I found a bug where the game would crash if you followed a courier into an enemy HQ building while they had guards inside (I guess they kill the courier, which then leads to a null reference or something?). When the game crashed I was so scared that I had broke my grandpa's computer. Good times.

The only thing it was missing was multiplayer. I hope that somebody creates a full OpenRCT2 style remake of it someday; it has so much potential for online multiplayer and wacky mods.