Nearly finished but abandoned games

Hey, I'm looking for a list of nearly finished but abandoned games. (FOSS, of course)
I'm thinking of games into which a significant amount of work has already been put into, and they are already having lots of features and are basically feature-complete or mostly feature complete. But they are not technically finished. Either there are some important features missing, or there is that ONE bug that ruins everything, or it is lacking in basic help files (missing manual, build instructions, etc.), or it has some terrible usability design flaw that the dev wanted to fix forever but never got around to do it. And stuff like that. Basically a game that is almost finished, but still not finished enough to be “ready for prime time”. And just before the game reached the finish line, the developers jumped ship for some reason …
I am NOT talking of early prototypes, concepts, only half-finished games, etc.
I hope you get the idea now. I post this thread in the hopes that eventually, someone (haha!) will look at one of the dead projects and try to revive them.
There is one game that immediately comes to mind:
EDIT: THIS IS FALSE:
- OpenArena 0.8.8
This one is basically finished, but the main menu is kind of buggy and it was dropped by the developers a long time ago. It's stuck at 0.8.8 for 6 years now. Ironically, they started working on 3.0.0 instead of first simply releasing 1.0.0 … :/ And 3.0.0 might be something very different as well.
END OF EDIT
I'm thinking of games into which a significant amount of work has already been put into, and they are already having lots of features and are basically feature-complete or mostly feature complete. But they are not technically finished. Either there are some important features missing, or there is that ONE bug that ruins everything, or it is lacking in basic help files (missing manual, build instructions, etc.), or it has some terrible usability design flaw that the dev wanted to fix forever but never got around to do it. And stuff like that. Basically a game that is almost finished, but still not finished enough to be “ready for prime time”. And just before the game reached the finish line, the developers jumped ship for some reason …
I am NOT talking of early prototypes, concepts, only half-finished games, etc.
I hope you get the idea now. I post this thread in the hopes that eventually, someone (haha!) will look at one of the dead projects and try to revive them.
There is one game that immediately comes to mind:
EDIT: THIS IS FALSE:
- OpenArena 0.8.8
This one is basically finished, but the main menu is kind of buggy and it was dropped by the developers a long time ago. It's stuck at 0.8.8 for 6 years now. Ironically, they started working on 3.0.0 instead of first simply releasing 1.0.0 … :/ And 3.0.0 might be something very different as well.
END OF EDIT