This is the basic game without any added OXPs.
If you choose Strict Mode (Strict Game) when you start up Oolite, this will constrain you to the basic vanilla game, excluding whatever OXP/OXZs you may have loaded.
It is identical to the normal game as played without any oxp's loaded.
Older Versions of Oolite
The Vanilla game used to be very different from the oxp'd game.
The strict game before Oolite v.1.80 was not just an oxp-less version of Oolite. It was a mildly modified version of the original Classic Elite. In those days, the "Vanilla game" was not the strict game, but was just a (regular) oxp-able game - but before adding in any oxp's.
Optional vanilla-game equipment lost in the original strict game:
- Fuel Injectors
- anti-ECM missiles ("hard heads")
- shield boosters
- scanner targeting enhancements
Game options lost:
- contract hauling
- the F5F5 cargo-hold manifest screen
- the F3F3 shipyard for buying/selling ships
- no navigation beacons
- no stopping at a standstill