Check it out!
Steam for Windows, Linux and macOS

SHOOT 'EM UP! Battle Marine is a simple naval barrage STG. A barrage of intense shots! Shoot 'em up! Shoot 'em up! Chain bombs with detonation, powerful laser sweeps, and jumps to collect medals! Enjoy a RETRO but NEW and exhilarating STG experience!

Overview

Battle Marine is a simple naval barrage STG.
Enjoy a somewhat retro yet new and exhilarating game experience by firing a barrage of shots, inducing explosions, sweeping with powerful lasers, and automatically collecting medals (recovery and score) by jumping.
Destroying enemies consecutively within a certain time frame will result in a HIT combo. Aim for 999 HITs!
Your rank will be assessed according to the results of your play. Aim for the rank of FLEET ADMIRAL!

Controls

This game can be played with a gamepad or keyboard.

Use the cursor keys to move left and right, press B to shoot, and A to jump.
Press and hold the B button to charge the laser, and release it when the charge is maxed out to fire the laser.
Press A briefly for small jumps and long for large jumps.
Button assignments can be freely customized in the SteamInput menu.

Keyboard Controls (Windows)

Keyboard Controls (Linux/macOS)

Notes on the Linux/macOS version

Detailed Gameplay

Try it for FREE

The Steam version of Battle Marine is only available for a fee, but if you have a Raspberry Pi Zero 2W you can try the Raspberry Pi version for FREE.
If you like the Raspberry Pi version, please consider purchasing the Steam version.

Video distribution, etc.

There are no restrictions on the distribution of this game on TV, YouTube, or other video distribution sites.
Of course, there are no restrictions on monetization.
There is no need to contact the author prior to or after the event.
Similarly, there are no restrictions on publishing screenshots in magazines, web media, social media, etc.

Support

About VGS-Zero

This game is made with the SDK called VGS-Zero.
VGS-Zero is a virtual game machine with a powerful 16MHz Z80 CPU, old-fashioned VDP (Video Display Processor) and VGS (chip-tuned sound system).
There may be many 8-bit style games, but the games made with VGS-Zero are real 8-bit games.
If you want to develop games like Battle Marine, please try to develop games with VGS-Zero.
Games you develop with VGS-Zero can be sold on Steam (Windows, Linux and macOS) using the VGS-Zero SDK for Steam.

Using OSS

PicoJSON - a C++ JSON parser / serializer

Copyright 2009-2010 Cybozu Labs, Inc.
Copyright 2011-2014 Kazuho Oku
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SUZUKI PLAN - Z80 Emulator

The MIT License (MIT)

Copyright (c) 2019 Yoji Suzuki.

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Simple DirectMedia Layer

Copyright (C) 1997-2024 Sam Lantinga 
  
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