My thoughts on the new 150-in-1 NES multicart...
It's part of a series of new multicarts available direct from Aliexpress. I ordered a pair of NES carts with shiny new labels and bright red cases (one for me and one for a friend) and paid about $17 and some change a piece for them, or around $35 total with free international shipping. You can also them on reseller 'Bay where they typically go for around $50.
There are also 198-in-1, 340-in-1, and 400-in-1 multicarts available as well, presumably made by the same company, but it seems the higher the number, the less good games and the more crap filler. All of them except the 150-in-1 contain a fairly large number of poor quality unliscensed Chinese titles. The 150-in-1 skips these.
The game cart is largely filled with MMC3 titles along with a sprinkling of the best NROM games and some others likely converted or hacked over to MMC3. The games are largely arranged by series and genre starting with Rockman, so you don't have to hunt and peck around for games from your favorite series as the arrangement seems fairly logical and not haphazard. Tetris II is the same Tegnen version with the title screen removed that has appeared on countless other multicarts. You can't have an NES collection without some form of Tetris, and Tengen is my favorite version. Most of the "late great" unicorns are present as well, such as Little Samson, Flinstones 2, and others, with the notable absense of either Bubble Bobble and Bonk's Adventure. I would consider Bubble Bobble 1 & 2 as well as Bonk's Adventure to be required material, but I am nitpicking here.
Regardless, I'm honestly impressed with the amount and variety of games contained therein. Most of the must haves are there plus a fairly nice variety of obscure titles many gamers may not be aware of. Also each series of games featured is largely complete for the most part, with the notable absense of Castlevania III due to it's complex MMC5 mapper. There is even a Rockman board game available that was originally released only in Japan, translated to English for us to enjoy. I will definitely try it out sometime.
One thing that initially impressed me with this multicart is the inclusion of a save battery for one game, namely Kirby's Adventure, IMO one of the largest and most impressive platformers to grace the NES. Unfortunately that SRAM is also shared with other games, meaning that playing any other MMC3 game on the list which utilizes work RAM will essentially overwrite and erase Kirby's save data. This fact breaks my heart a bit, that all the effort the developer went through to include a save battery for Kirby's Adventure is wasted...
Selection of individual game versions leaves somewhat to be desired, as it seems haphazard as to which region of titles are included. A few games also have hacked title screen and some cheats or ROM tampering added. Super Mario Brothers 2 is clearly the PAL version. So is Parodius and Kirby's Adventure it seems, and quite possibly others as well. PAL games generally play fine but can be sensed by the increased tempo and sharp pitch of the game music. Parodius can be forgiven since the Famicom version used a custom Konami mapper and was never released stateside; however the others seem to be odd choice for inclusion with available NTSC ROMs with standard mapper.
Super Mario Bros 3 has much of the title screen removed and is actually a hack of the Japanese version with item select code and infinite time for starman. To select an item, press B to pull up the item menu and then hit SELECT to change the first item to whatever you want it to be. One caveat to this is that Nintendo put some anti-cheat measures into Super Mario Bros 3. If you defeat Bowser with the starman, the game will get stuck and not allow you to enter the Princess Chamber to view the ending credits. Similar side effects occur when using a Game Genie to cheat on the US version.
Turtles I has an odd glitch present as well. It is based on the Japanese port "Geki Kame Ninja Den" (Ledgend of the Radical Ninja Turtles) and has a Level Select code built into the title screen. Unfortunately the hackers broke the "Turtles I" ROM somewhat so that it runs flawlessly on NOAC clone hardware (tested on my Super Retro Trio) but has graphical glitches on a real NES or Famicom.
I hope you guys liked my little mini write up. The new 150-in-1 is brand new and has a build date of 2015 on the splash screen along with some line art ripped from Paper Mario. The menu has music and displays preview graphics from each of the 150 games. I give it a B- grade overall, which is extremely high marks for a pirate multicart. It would be considered perfect if only Kirby's Adventure save was not corrupted by other games using the save data as work RAM, and PAL region or hacked title versions of game ROMs were not chosen for inclusion.
UPDATE: Added two screenshots of the title screen and menu.