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*UPDATED 22nd of February 2022* February 2022 update: Sold out! If you are interested in a 2nd run for a unit (or more) please let me know in the thread! I'll consider doing another run in the future perhaps later in 2022! Please PM/DM me if you want to make an order and get quantity confirmed before making a payment! I cannot guarantee now that your order will be fulfilled without confirmation first! I have also removed the list of users who have bought them, but I will keep that list privately. Important notice on what happens after these are sold: I think one of two things can happen if I sell out - both involve a waiting list - the waiting list will likely be years. In one solution I price up a smaller order at a higher cost and bulk buy again - the other solution is we get a set number of buyers who commit to paying me before I place the order. I prefer to do the first but its a numbers game. If I could have I'd have had a 100 produced instead of 50! but I never thought we'd get as far as this. I think it would be fair to say a second order would not total more than 50 again. If I sell out I'll ask the company who produced this batch for a new quote and go from there. Current Timescale and process: 1) I have uploaded a video showing usage, shipping costs are now outlined below. 2) I will post within 1-3 days and give you confirmation of it leaving with an image through PM. 3) We all get to enjoy our multicards! We seem to have had quite the surge in Magnavox Odyssey interest in recent weeks! For a long time I have wanted to get a hold of one of Boojakascha's Magnavox Odyssey Multicard . You can see more about his projects for the Magnavox Odyssey here on his website: http://www.boojakascha.ch/index.php?page=magnavox_projects And also his Youtube channel here: https://www.youtube.com/channel/UCRNVSMZe1V3yUmIA9NGB3kg Where he reviews light guns and light gun games. And also here where he shows off the multicard: My reasons for this project are simple: a) its the closest thing to a "romcart" you can get for the system. b) Boojakascha has provided files for its reproduction, and naturally has had it working on the system. c) Games for the Odyssey is really really rare. I've only seen a handful of games go on ebay since I've got the system myself, and I've failed in all attempts to win any of them. While the base games are ok, a lot of the extra features is unique to the other game cards. This search becomes harder if you are outside the United States. d) If I go ahead with my RPG homebrew, I want everyone to be able to play on the same level without having to hunt for game cards, and also make it an enjoyable experience. If I could include the multicard with it, it would also allow those users the opportunity to enjoy all the features of the original Odyssey, without relying on fighting for ebay rarities. Production of these things is always cheaper in bulk, so what I want to do is to take the cost of buying a big order of them, and then pass on the savings to everyone else. I've been in contact with Boojakascha to ensure that what I get is going to be working as designed before I make the order, but I'm now looking for who might be interested in purchasing one (or more) of these so I can get a good sense of how many I should order. I will be getting at least 20, but the more I can get the cheaper it will be. I've already got quotations from several companies who will be ready to go with the order as soon as I finalise it, so they could be ready to go as early as the end of June. How much will it cost? I'm currently setting the cost per unit at £20/€23/$25 USD/$35 AUS, this includes VAT for production at 20% and delivery to me, and this will not include postage and shipping to you. See below for Shipping Costs. Delivery costs and time? Now we seem to be at the tail end of the pandemic, delivery times and exchange rates seem to be stabilising, I'll now upgrade everyone to "international Standard" for the same price* Both tracked and untracked times is listed as 6-7 working days for anywhere outside of Europe. People in the UK and Europe should receive it in 3-5 working days. To save costs, I'll be using pre used packaging where possible. Based on quantities of 1: United Kingdom: £3 for Royal Mail 1st Class signed for, or £5 for 24 hour Tracked and signed. (Total: £23 or £25) Europe: €3.50 for regular mail, or tracked and signed for €10. (Total: €26.50 or €33) Australia (mainland): $AUS 7.50 for regular mail, or tracked and signed for $AUS 18. (Total: $AUS 42.50 or $AUS 53) United States (mainland): $5 for regular mail, or tracked and signed for $13. (Total: $30 or $38) * For those interested, during the pandemic they split untracked to two standards, really slow and faster. Price changes means I can now offer the faster rate at the same price I charge. Quantities of 2 or more: If you are from United States, 2 multicards will now cost $63 for tracking - this has gone back down by $2 because of recent currency exchange changes. Where would payment be expected? Send money via paypal to acebloke@gmail.com, under friends/family if you can - as you are all my friends, and you are getting this as close to cost as I can afford to. Please state your name and address in the note - and your username so I can tick you off! Don't worry about the amount I receive, I have rounded up costs slightly to compensate for this. If you are unable to use paypal let me know what other potential options you would like to try to pay in. What if I want more than one? Let me know where in the world you live, and I'll give you an updated shipping price. Will this work with the Rifle games? Yes, this was one of Boojakascha's original purposes for making it, I can confirm it works with my rifle set too. What games does it play? You are able to play all the original game card variants for the original Magnavox Odyssey system, and many of the homebrew that has been produced since. Note that some homebrew have custom hardware and one or two have custom game cards; these will NOT likely to be replicated with this multicard without modification (but does appear to be possible). The switches may also help to produce unique effects of merging features of gamecards. When is the earliest this could be ready? I have all the units, but I will individually test them before sending them out for verification. I will send a PM with an image of your package on the day it leaves my house. Dispatch is usually within 48 hours of payment. Have you done anything like this before? Nope! But I always deliver on everything else I've done before, and I'm not going to disappear anytime soon. By taking the hit of the immediate cost myself I'm hoping we can all benefit. Who will receive it first? Not applicable now, I still have some left. If I do run out, I'll consider costing for more units. How will I be able to pay? Paypal is widely used and has always worked for me, but let me know if this is not possible. You can pay by paypal without having an account and using your regular bank details. I will update status for these users as orders is payed/shipped

I have to send my multicard in the post soon, as my Odyssey is having some repairs done, so I modified a shockbox-style case for a NES, and lined it with anti-static material so that the PCB won't get damaged. Just for fun, I threw together an insert for the case. The file attached is an A3 sized page, and when you cut out the insert, it should fit in a case designed for a NES cartridge. It's nothing special, but just thought I'd upload it here in case anyone wants to use it. @Boojakascha @Mikebloke final draft.tif

Have a multicard for the Magnavox Odyssey from @Boojakascha and @Mikebloke and got a handle for it from Laserbear. Took measurements and with the new handle, it's about 11cm x 9cm, and about 1.5 cm thick. I'm looking for a hard case or possibly a shock box to store it, ideally with a little bit of extra space, so I can line the case with antistatic plastic to protect the PCB Does anyone have any ideas on what the most similar cartridge would be in terms of size? (NES, SNES, Megadrive...?) Or if repurposing one of those wouldn't work, does anyone make custom cases that would fit it? Thanks!

Hi, I'm working on a bankswitch card that supports multigames. I first made a normal 4k multicard using a 27C256 that holds 8 games, for testing purposes. Easy to make, and it worked fine... Because I have my own programmer, but not an UV eraser, I wanted to use a 29F010 EEprom that can be electrically erased. The pinout of this is (almost) the same as a 27C010. So I copied a few ROM's together and programmed the EEprom, but for some reason that didn't work on my Atari 2600. I used my programmer to read back the ROM file out of the chip, and tested it in Stella (32 in 1). That worked fine, so there doesn't seem to be anything wrong with programmed chip. Does anyone here have any experience using EEproms for DIY cartridges or mulitgame card, and what is the difference between using a EEprom and a normal Eprom (because the normal Eprom is working fine). Many thanks !!