Fast vertical shoot’em up for Amstrad CPC — Mode 0, smooth action, arcade flow by Xevimet4l
They’re closing in. Clear the skies, survive the waves, and push for the top of the table.
SDO is a vertical shooter made for Amstrad CPC. It’s built around tight controls, readable Mode 0 graphics, and an arcade-style loop, high scores, and a proper “one more go” rhythm. Choose joystick or keyboard, remap keys if you like, then dive in — the invasion won’t wait.
What you get
- Arcade-style vertical shmup tuned for 4 MHz hardware
- Fast scroll with parallax starfield
- Joystick or keyboard + optional key redefinition
- 25 levels with a boss every 5
- Top the leaderboard and claim bragging rights.
- Attract mode cycling title, top scores, and help
- Authentic disc release — run from .dsk on a real CPC or your favourite emulator






![Video – Amstrad Action Focus #1 [Issue 60]](https://i0.wp.com/vitno.org/wp-content/uploads/2016/12/default_featured_image.png?resize=480%2C360&ssl=1)






