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Thanks for the tip; I’ll update the files and include this in the documentation.

Thanks for your feedback. Can you try the 5MB version to see if the problem continues?

There are no tunnels yet. Take a look at the Development Log, found at the bottom of the text on the main page:

Mega Commando - v0.82b - Mega Commando by MXRetroDev
Mega Commando - v0.83b - Mega Commando by MXRetroDev

PS.: The tunnels and new weapons will appear in a couple of days.

With MEDPro the SEGA CD CPU only works in the 4MB version. When using bank-switching, the MEDPro turns off the FPGA SEGA CD core.

I'm trying to fix the controller routine to make it better.

Man, no one gave this feedback before; I'm curious about it. Can you try to use the 5 MB version and detach your SEGA CD, only for testing? I'm really sorry.

Blocked? Did you try to press a button on the START GAME, or is the screen frozen at all?

Turn on the auto-fire in the options menu.

Fixed on 0.82b, thanks! I was using VGM for the credit sound, but it would interrupt the music, so I switched to handling it as PCM.

I'm fixing it now, thanks for the advice!

Does your EverDrive V3 accept up to 7 MB of ROM size? If not, it's an older V3 using flash memory witch accept up to 5 MB. Mega EverDrive X3 doesn't use flash memory.
I'm using RetroArch with the Genesis GX Plus core and no choppy frames here, but obviously, no 60 FPS without SEGA CD.

Yes, it's the only way to avoid any corruption, but when using "SEGA SSF2" in the ROM header, it appears that SEGA CD is turned off on the MED Pro. I will see how to change it.

Another important point. I’m not sure if you’re using a Chinese-made EverDrive, but some models (especially older ones) use slow flash memory; since this game relies on constant decompression and streaming, it can actually end up running significantly slower, at least according to reports from some users.

Use the 4MB only for the old flashcards. Try the 5MB version and tell me if it works ok. I use a Mega Everdrive X3 only with the 5 MB version. I will adjust the description.

I explain a bit about the logic behind this game and the reasons why it is CPU-intensive in my development diary posts on Patreon (no payment required):

https://www.patreon.com/mauroxavier/posts/prehistoric-isle-173407642

https://www.patreon.com/mauroxavier/posts/development-isle-173662722

Please, can you try the "Prehistoric_Isle_MD_8MB_081b_MEDPro.bin" file?

I have received reports from several Mega EverDrive Pro users regarding graphical corruption; in those cases, the 4 MB version resolved the issue and worked perfectly. Please test it to see if it works for you, and also check whether the SEGA CD is detected.

Donwload again the last release, the pause is implemented.

Ok, I will create an option to configure this in the next release.

I don’t mind at all, quite the contrary, I appreciate!

O espaço está extremamente apertado na ROM, mas é muito provável que eu coloque sim o attract mode.

I haven’t yet decided exactly what the tunnel sections will be like, but what I can guarantee is that they will surprise a lot of people.

People talked so much about Final Fight MD, joking that "MD" stood for "Medical Doctor", that when it came to Commando, I ended up labeling it as "Mega."

Hum... Blood mode, good idea! I like it, thanks!

I’m going to set aside next weekend to create the underground tunnels (which will be quite different from the NES version) and new weapons.

I intend to use the name "Super Commando" if I port it to the Super Nintendo. The name "Mega" came from the Mega Drive, a name used in my country (Brazil), Japan, and other regions. Note that other games from that era also used this convention, such as Mega Turrican.

I’m thinking of doing the Super C... That is, if someone else doesn’t do it first...

Okay, I’ll include a system for freely configuring the controls in the next version.

Sí, voy a incluir un modo para ejecutarlo a 256px y quedará en pantalla completa (aunque un poco estirado).

Don't worry, in the upcoming 0.94b ROM, SRAM support will be optional. I'll take a look at the library for flash usage, thank you.

Unfortunately, there isn't enough space in the ROM for additional characters, and I can't enable bank switching due to some technical limitations.

In ROM 0.94b, which will be released soon, this bug has been fixed. Thank you.

Espere só mais um pouquinho... Atualizei o SGDK e mudei vários comandos, mas infelizmente algumas coisas não saíram exatamente da forma que eu esperava.

I've stopped development on this version for the moment to focus on the arcade campaign. After completing the game, I will turn my efforts to this.

¡Gracias por el comentario!

Me alegra que haya disfrutado!

Quase todos os bugs que você citou foram corrigidos ontem. Na próxima versão eles não estarão presentes. Obrigado pelo feedback!

Alguns inimigos poder ter invulnerabilidade ao se levantarem em algumas ocasioes para executarem alguns scripts, caso do Damnd, por exemplo. Você se refere a momentos como esse na dificuldade em agarrar?

Quanto aos socos, vou dar uma olhada a respeito.

Obrigado pelo feedback.