What atari system did i have?

im trying to remember what atari computer i had, i cant remember much bout it, the base was a keyboard/box with a seperate tape reader thingy that used normal looking tapes!!! and a catridge slot on the back catridges simillar to n64's i think i had games like salmon run, space ranger and some 3d game which was meant to be a doom for the atari where the enemys where spiders it was proper retro even when i had it and this is about 10 years ago maybe even more? it had a basic operating system it looked a bit like windows because it had those window boxes and a trash can!!! any ideas?