Proto:Star Fox 2
This page details one or more prototype versions of Star Fox 2.
There's some very good analysis over at SNES Central. Use it as a base.
There are several known prototypes of Star Fox 2, spanning a 14-month period in 1994-95. Development and testing continued until mid-September 1995, with consideration for release in 1996, until the game was finally released in ... 2017.
| April 15, 1994 Build|
The earliest known prototype, which became public in 1999.
| May 6 and May 13, 1994 Builds|
Two builds first compiled in 2017 from source dated a week apart.
| June 22, 1995 Build|
Leaked in 2002, it was long thought to be close to final but now known to be three months older than the completed game.
|The Star Fox series|
|SNES||Star Fox • Star Fox 2 (Prototypes)|
|Nintendo 64||Star Fox 64|
|GameCube||Star Fox Adventures (Prototype) • Star Fox: Assault|
|Nintendo DS||Star Fox Command|
|Nintendo 3DS||Star Fox 64 3D|