Tag: multiplayer

2 matching upgrades

Showing 2 products.

Status Product What it does Compatibility Links

Status	Product	What it does	Compatibility	Links
AvailableChecked Jul 30, 2026	CGA Four-Player Adapter Familyby Protovision / individual Computers / community joystick user port multiplayer diy open hardware	Adds two joystick ports to a compatible Commodore user port for four-player games that support the CGA adapter protocol. Protovision showed 17 individual Computers adapters in stock at EUR 25 with a one- to two-week shipping estimate on 2026-07-30. CBMretro also exposed an add-to-cart route for Pasi Lassila's enhanced Neat design at EUR 26.90, and ZGCS showed two assembled compatible boards at USD 22 on Tindie. Install or remove the adapter only with power off and observe connector orientation. Do not connect it to a Plus/4: individual Computers warns that doing so risks damage. The PET 2001 user ports lack the required power connection, and the maker discourages modifying a historic machine to add it. Sources Protovision 4 Player Interface overview individual Computers 4 Player Adapter documentation Protovision current product page Protovision construction instructions Pasi Lassila Neat adapter repository CBMretro Neat adapter page ZGCS compatible adapter page bubbob42 printable iComp case	Commodore 64 Exact model Commodore 128 Exact model Commodore VIC-20 Exact model	Protovision 4 Player Interface homepage Buy the individual Computers adapter from Protovision Buy the enhanced Neat adapter from CBMretro Build the original Protovision design Build the enhanced Neat adapter Print a case for the iComp adapter
Sold outChecked Jul 30, 2026	SuperPad64by ninja/dreams / Poly.play snes controller multiplayer control port serial controller external adapter	Connects as many as eight standard SNES controllers to a Commodore 64 or 128 through its two control ports. Poly.play listed the adapter at EUR 45 but marked it out of stock on 2026-07-30. Controllers are separate; the store's current third-party SNES pad is a commodity accessory and remains folded into this record. Poly.play's short description incorrectly says user port, while the linked original wiring document and C64 OS technical explanation both say that SuperPad64 occupies the two control ports and leaves the user port free. Confirm the supplied connector arrangement with the seller before ordering a future production run. Sources Poly.play SuperPad64 page ninja/dreams eight-controller documentation C64 OS SuperPad64 feature	Commodore 64 Exact model Commodore 128 Exact model	SuperPad64 product page Original eight-SNES-controller design C64 OS SuperPad64 technical overview Search eBay for SuperPad64

AvailableChecked Jul 30, 2026

CGA Four-Player Adapter Familyby Protovision / individual Computers / community

Adds two joystick ports to a compatible Commodore user port for four-player games that support the CGA adapter protocol.

Protovision showed 17 individual Computers adapters in stock at EUR 25 with a one- to two-week shipping estimate on 2026-07-30. CBMretro also exposed an add-to-cart route for Pasi Lassila's enhanced Neat design at EUR 26.90, and ZGCS showed two assembled compatible boards at USD 22 on Tindie. Install or remove the adapter only with power off and observe connector orientation. Do not connect it to a Plus/4: individual Computers warns that doing so risks damage. The PET 2001 user ports lack the required power connection, and the maker discourages modifying a historic machine to add it.

Sources

Commodore 64 Exact model
Commodore 128 Exact model
Commodore VIC-20 Exact model

Protovision 4 Player Interface homepage Buy the individual Computers adapter from Protovision Buy the enhanced Neat adapter from CBMretro Build the original Protovision design Build the enhanced Neat adapter Print a case for the iComp adapter

Sold outChecked Jul 30, 2026

SuperPad64by ninja/dreams / Poly.play

Connects as many as eight standard SNES controllers to a Commodore 64 or 128 through its two control ports.

Poly.play listed the adapter at EUR 45 but marked it out of stock on 2026-07-30. Controllers are separate; the store's current third-party SNES pad is a commodity accessory and remains folded into this record. Poly.play's short description incorrectly says user port, while the linked original wiring document and C64 OS technical explanation both say that SuperPad64 occupies the two control ports and leaves the user port free. Confirm the supplied connector arrangement with the seller before ordering a future production run.

Sources

Commodore 64 Exact model
Commodore 128 Exact model

SuperPad64 product page Original eight-SNES-controller design C64 OS SuperPad64 technical overview Search eBay for SuperPad64