It's an important distinction to be made, as a cheap game can be a well-made one, but a trashinum is almost always a game that is made with the sole purpose of awarding a player with a platinum trophy for minimum time and effort. I could go into the detail, but why tell you when I can show you some examples of trashinums, and just to be clear, I have platinumed a few of these, so I am not knocking them; I'm just not endorsing them either. Check it out:  My Name Is Mayo Slyde Spectrewoods Mr. Massagy Arrog Foxyland