This is the virtual home of the C64/Amiga scene group CASCADE.

30.10.2026 - Protovision Shop: ARM2SID is back in stock!
The arguably most powerful SID replacement on the market has returned: ARM2SID lets you run dual or triple SIDs, emulate the SFX Sound Expander with OPL FM synthesis, or combine SID and SFX simultaneously for up to 12 music channels. Configuration and firmware updates are handled directly on the C64 – no external tools needed. Protovision offers three variants: single socket with assembly kit, two sockets for existing double-SID boards, and a two-socket version tailored for the Ultimate64.

30.10.2026 - C64 game 'Sideraxis' released
'Sideraxis' is a turn-based sci-fi tactics for the C64 - 25 sectors. Nine decks. One rogue Station Core. A remote station orbiting the Moon has stopped responding. You arrive to find its security AI in control and the crew turned into armed sentries. Fight your way from the docking bays through medical wards, research labs, reactor decks and overgrown hydroponics. Search the side rooms for supplies, reach the Bridge and terminate the hostile signal. You can get the game as digital download for a fair price to support the developer.

30.10.2026 - 'C16 Boulder Dash' for C16 and Plus/4 released - free for download
This is a fan-developed version of Boulder Dash for the standard 16K C16 and the Plus/4. A RAM expansion is not needed for the C16 to play this game. This repo really contains 6 different versions of the game. They all run with the same 'game engine' but have different caves. Use the joystick to select the version from the first menu screen, then press fire to confirm.

30.10.2026 - Protovision Shop: GP Cars – New in the Shop: C64 Racing Game
GP Cars is a single-player racing game for the C64 inspired by the golden era of classic racers. What sets it apart: every level puts you behind the wheel of a different car against new CPU opponents with varied driving styles, so no two levels feel the same. With 5 worlds, 9 vehicle types, a damage system, and strictly limited nitro, skill is rewarded and recklessness punished. The box edition includes the game cartridge, an A5 manual with its own little storyline, and a small repair tool – the download edition is included.

30.10.2026 - New C64 Games from October 2026 - video by 'Retro Gaming Dino'
Presentation of new games for the Commodore 64 released in October 2026, with gameplay footage, lots of information about the games and download links in the video description.

30.10.2026 - Sabre Wulf : Remastered (Commodore 64) Review - video by 'BastichB 64K'
Review for this new 2026 released C64 game 'Sabre Wulf : Remastered' by Genesis Project.

29.10.2026 - C64 game 'Whitechapel' released
'Whitechapel' is a stealth game for the C64 set in London, 1888. Fog lies on Whitechapel like wet wool, and the gas lamps gutter. You play in the dark: you see only what a lamp falls on. Five nights, fifteen streets, from Whitechapel Road to the Ten Bells. Play alone, or race a friend through the same streets. You can get it as digital download for a bargain (name your own price) to support the developer.

29.10.2026 - New in the Protovision Shop: CCGMS Future Terminal Cartridge, Joystick Switcher by TEBL, Floppy Disks (New Old Stock)
There is new stuff available in the Protovision Shop: 1. CCGMS Future Cartridge is a widely used terminal program for the C64. It supports modern Wi-Fi modems and lets you connect to classic Bulletin Board Systems with ease. 2. The Joystick Switcher by TEBL is a handy port switcher with adjustable auto-fire for your C64. Easily toggle between joystick ports 1 and 2, make use of the second fire button on compatible controllers, and let the built-in auto-fire circuit save your thumbs during intense sessions. Also new in the Protovision Shop: high-quality floppy disks from old stock, many still in their original packaging or even factory-sealed. All disks are 48 TPI double density, making them ideal for 1541 drives, among others. Choose from brands like SONY, Polaroid, KAO, JVC, ESCOM, and RPS – plus a no-name pack for those who just need reliable blanks.

29.10.2026 - Protovision Shop: Evil Spirit – New in the Shop: Graphic Horror Adventure for the C64
Evil Spirit is now available – a graphic horror adventure for the Commodore 64 featuring a gripping story, an atmospheric soundtrack, and challenging real-time combat with tactical elements. Across four chapters and over 150 locations, you’ll need to solve tricky puzzles and fight for survival using more than 70 items. The game supports both English and German, and is compatible with PAL and NTSC systems.

28.10.2026 - 'Skattabugz' - game for C64, C16 and VIC-20 released
'Skattabugz' is a fast paced shoot them up for the Atari400/800, C64, VIC-20 (unexpanded), C16 (Plus/4), Spectrum, MSDOS, SDL2/Win/Linux. Eliminate the bugs before they capture all your hearts. As each level progresses, the bugs become faster. If you win, you progress to the next level. You can get it as digital download for little money (name your own price) to support the developer.