Oblivion key
Get your key.
Then play.
Oblivion Gen 1 asks for a key when it opens. Get one here, paste it into the key screen in Roblox and press Submit.
1Open the key page
Press Get key and finish the one short step.
2Copy your key
The key shows at the end. Copy all of it.
3Paste it in Roblox
Paste it into the key screen and press Submit.
Gen 1.5 needs no key. Want Gen 1 without one? Pro skips it.