Split training mode

[nccc]

But not with the games which has training mode"only" (alpha games)

[Een]

But not with the games which has training mode"only" (alpha games)

Yes. But alpha is not for the general public, that's for reviewers (BGA experts who know what they do and don't mind selecting the mode they want before creating the game). Alpha is by definition not as polished as beta/released since it's about testing.

[nccc]

...ok