Think about the age of the average DS player, it's not really a choice, kid gets a game from their parents , takes out the manual to read it, remembers they can't read yet, smears jam all over it, throws it in the bin thinking it is a very bad tasting jam sandwich. No thought goes into not keeping a manual they're normally just misplaced or destroyed by accident I think.

Also you have to remember that some ebay sellers just sell carts for postage reasons if the game is meh they might not want to bother getting a big package to send it, just stick it up there as cartridge only for an easier shipping job when it sells.

Tossed 'em

Always and forever, at least until to day gaming goes completely digital.

Back when the game cases were cardboard boxes, i threw them away. Everything from PS1 and up, i've always kept the cases and every piece of paper inside of them.

I trade games on GameTZ, and i absoultely will not buy or trade for a disc based game, unless it's complete.

all my disc based games have cases,my cartridges,not so much(NES/SNES/Genesis,etc)

Yea, of course I do. That's half the reason for buying physical copies - which I prefer.

What the devil - I would never throw any cases from Genesis and up.

Exactly. Not keeping them seems the best way to wreck the disc and lose your game.

Even with the old cardboard ones for the Nintendo handhelds I kept them for year (for some reason). I dont know what my parents did with those for the Nintendo 64. 

Yes, they are as important as the disc imo. Why should I throw them away? ^^

I can tell you who doesn't: Resident Evil Revelations players! I've found more copies of Star Fox 64 3D with cases at Gamestop! I've been to like 8 stores and seen RER in its case MAYBE two freaking times (of course times when I didn't have spending money one me). Is it some kind of freak ritual I don't know about, where RE fans burn the case when they beat the game?