Pics 1-2: My sealed DS game collection. This wasn't intentional, but back in the day I got a certain device which let you play back ups, with tons of games in one small cart. So after a while, I just stopped opening my games altogether. Funny thing, and I hope this isn't b/c of environmental factors, but all of the Atlus boxed games have begun yellowing.

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Pics 3-7: Bulk of my sealed game collection. Most of were intentional and doubles. I wish I never started collection sealed games but oh well. I do have some neat, uncommon CEs in here like the Pokemon ones.
Pic 8: A few more sealed games, and my SAT/Sega CD collection (all opened): I started on the SAT/SCD train late, but man, I lucked out on most of these, given how much they go for now. I pretty much stopped collection this set b/c I'm happy with what I have, though still look for a few here and there.
Pics 9-10: These are un-cataloged games... ones I've bought but haven't found room for yet. Yes, I bought a TON of PS1 games. I haven't done any heavy PS1 collection in ages, but suddenly, a bunch of games started catching my eye... Namco Museum (still need 1, which is the easiest one to get) and a couple of shooters.
Pics 11-13: My it doesn't fit anywhere else shelf 1, just CEs, long box games, etc. that I can't fit anywhere else, plus some guides. I hate my guides, which I never collected these, given how bad the prices on some of these crashed.
Pics 14-15: PS3 games. I got quite a few import CEs here, nothing else worth noting here.
Pics 16-17: Opened DS, 3DS games and Dreamcast games. Not much special here but I think my DC collection tripled since I lasted posted.
Pics 18-19: My GC collection. I'm calling it quits here. I have all the rarer games I think... Cubivore, Gotcha Force, Prime/Wind Waker combo, and Pokemon Box (at my apartment, you'll see later). I've thought about some of the store variants (like Kmart ones with the controller/guide bundle) but decided those as they're just a stamp on the cover. Neatest item: I have a Zelda Wind Waker in a gold case, from the PAL Wind Waker CE, which I also have.
Pics 20-21: Wii games, and a few oversized PS2/GC games. Not much activity here.
Pics 22-25: My Game Boy/Color collection. Every one in box and manual, most with the rest of their inserts too. Pretty pround of these as most people throw out the cases/manuals. This collection houses my most valuable game: Shantae. Also noteworthy: I found a reallly neat copy of Pokemon Emerald... it's the normal, boxed game and a case inside a bigger box. I added a few games in this set.
Pic 26: My Game Boy Collection. Getting the GBC/GBA game complete was hard enough but these were another challenge. This is probably the most valuable sub-collection I have (as in avg value per game). I added a few here, the most notable: a complete Mega Man IV. I found it completely by chance... now if I could luck out and find a copy of Mega Man V.
Pic 27-28: PS1 collection, this is where I started my collecting. So much RPG goodness here... as I said before, I started buying up a ton of PS1 games lately but there's no room for them here. Still have a few more to get.
Pic 29: PC games. Most of these, I ended up re-buying during Steam sales.
Pic 30-33: A few stragglers, XB, 360 and PSP games. My TV/systems used to be here but since I moved, I just got two small shelves and started stacking stuff here. Just like the DC, I got a TON of PSP games- the first row and most of the 2nd row (until Valkyrie Profile) are sealed. And yep, I have two Last of Us Post-Pandemic Editions... I was super stoked for this game so I pre-ordered two in case one was damaged... unfortunately both were. But fortunately, I put off returning one copy and it turned out to skyrocket on eBay.
Pics 34-37: My second it doesn't fit anywhere else shelf, and my guides. I got a ton of rare PS1 guides and a few older ones. These I don't mind having... the rest, I could live without.
Pic 38: Sealed Game Boy Color and Advance games. Just like my other sealed stuff, these were intentional and I now kinda wish I hadn't.
Pics 39-40: My N64, SNES and NES games. I got into these late and I wish started earlier. So many SNES games are going for insane prices but I got a handful of good ones. Don't realy actiely collected these systems anymore.
Pics 41-42: A few stragglers, and my PS2 games. Lots of good stuff here but nothing too special. I still need to track down a few PS2 games.
And that's the bulk of my collection. Coming up, the rest at my apartment (not as interesting, sorry).