--- title: How to Preserve Your Original NES Cartridges: A Step‑by‑Step Guide for Collectors siteUrl: https://logzly.com/retropixel author: retropixel (Retro Pixel) date: 2026-06-23T23:08:01.621926 tags: [retro, gaming, preservation] url: https://logzly.com/retropixel/how-to-preserve-your-original-nes-cartridges-a-stepbystep-guide-for-collectors --- If you’ve ever dug out an old NES cartridge from a dusty box, you know the feeling – a mix of excitement and a little fear that the thing might fall apart in your hands. At Retro Pixel we love those moments, but we also want our games to stay safe for years to come. That’s why I’m sharing a simple, no‑fuss guide to keep your original NES cartridges in good shape. No fancy tools, just a few everyday items and a bit of patience. ## Why Preservation Matters Right Now The retro gaming market is booming. New collectors are jumping in, and prices for rare cartridges are climbing fast. If you keep your cartridges clean and stored right, you protect both the game itself and its value. Plus, a well‑kept cartridge means more fun when you finally plug it into your old console. ## What You’ll Need Before we start, gather these things. Most of them are things you already have at home. - Soft, lint‑free cloth (a microfiber cleaning cloth works great) - Cotton swabs - Isopropyl alcohol (70% is fine) - Small screwdriver set (Phillips #00 is the usual size for NES boards) - Zip‑lock bags or small plastic containers - Acid‑free paper or a cardboard box - A dry, cool place to store them That’s it. No need to buy expensive kits. ## Step 1: Clean the Exterior ### 1.1 Wipe the Plastic Take your soft cloth and gently wipe the plastic shell. If there’s dust or fingerprints, a little bit of water on the cloth will do. Avoid soaking the cartridge – just a damp surface. ### 1.2 Deal with Sticky Residue Sometimes old stickers or tape leave a sticky mess. Dab a cotton swab in a tiny amount of isopropyl alcohol and rub the sticky spot. The alcohol evaporates quickly, leaving no residue. Test on a small hidden area first, just in case. ### 1.3 Dry It Off Let the cartridge air dry for a minute or two. You don’t want any liquid inside the cartridge when you open it. ## Step 2: Open the Cartridge (Optional but Helpful) If you’re comfortable with a tiny bit of tinkering, opening the cartridge lets you clean the contacts inside. If you’d rather not, you can skip this step and just clean the outside. ### 2.1 Remove the Screws Most NES carts have two tiny Phillips screws on the back. Use the #00 screwdriver and turn them counter‑clockwise. Keep the screws in a safe spot – they’re easy to lose. ### 2.2 Take Off the Shell Gently lift the plastic shell away. You’ll see the circuit board and the metal contacts that touch the console pins. ### 2.3 Clean the Contacts Dip a cotton swab in a drop of isopropyl alcohol. Lightly rub each metal contact. You’ll see a faint gray film disappear. Don’t press too hard; the contacts are thin. ### 2.4 Let It Dry Give the board a minute to let any alcohol evaporate. Then put the shell back on and tighten the screws. ## Step 3: Store Properly ### 3.1 Use Zip‑Lock Bags Place each cartridge in its own zip‑lock bag. Squeeze out excess air. This keeps dust out and reduces humidity changes. ### 3.2 Add a Buffer If you have acid‑free paper, cut a small piece and slide it under the cartridge inside the bag. It helps absorb any stray moisture. ### 3.3 Keep Them Cool and Dark Store the bags in a cardboard box or a drawer that stays cool and away from direct sunlight. Heat and light can warp the plastic over time. ### 3.4 Avoid Stacking Heavy Items Don’t pile heavy books on top of your cartridge box. Pressure can crack the shell or bend the board. ## Step 4: Keep a Simple Inventory At Retro Pixel we love to know exactly what we own. Write down the game title, the cartridge’s condition, and the date you cleaned it. A small notebook works fine, or a simple spreadsheet on your phone. This helps you spot any changes later and keeps your collection organized. ## Step 5: Play With Care Even the best preservation won’t help if you constantly yank the cartridge out of the console. When you insert or remove a cart, do it gently and make sure the console is off. A little patience goes a long way. ## A Quick Personal Story I remember the first time I pulled a “Super Mario Bros.” cart out of a box I’d hidden in my attic. The plastic was yellowed, and the label was almost gone. I followed the steps above, and after a few minutes of cleaning, the game looked almost new again. I played it on my old NES, and the feeling was like stepping back into 1985. That’s the magic Retro Pixel wants to share with you – the joy of a game that still works and still looks good. ## Common Mistakes to Avoid - **Using too much liquid:** A soaked cartridge can damage the board. Always use a barely damp cloth or a tiny drop of alcohol. - **Skipping the dry time:** Even a few seconds of moisture can cause corrosion. Let everything dry before closing the shell. - **Storing in a humid basement:** Moisture is the enemy of plastic and metal. Choose a dry spot. - **Using harsh chemicals:** Bleach or window cleaner can eat the plastic. Stick to water and isopropyl alcohol. ## When to Seek Professional Help If you find a cartridge with a broken board, missing screws, or severe corrosion, it might be worth taking it to a specialist. Retro Pixel sometimes works with local repair folks who know how to fix old boards without hurting them. Don’t try to force broken parts back together – you could cause more damage. ## Final Thoughts Preserving your NES cartridges doesn’t have to be a big project. With a few simple tools and a bit of care, you can keep your games looking good and playing well for years. At Retro Pixel we think every collector should feel confident that their favorite pieces of gaming history are safe. Follow these steps, stay gentle, and enjoy the nostalgia whenever you fire up that old console.