There are 11 Fallout video games in total if you count both mainline entries and spin‑offs.

Mainline Fallout games

These are the core RPG entries most people think of when they ask “how many Fallout games are there.”

  • Fallout (1997)
  • Fallout 2 (1998)
  • Fallout 3 (2008)
  • Fallout: New Vegas (2010)
  • Fallout 4 (2015)
  • Fallout 76 (2018)

So there are 6 mainline-style titles in the series.

Spin‑offs and side games

If you include tactical, action, and mobile offshoots, the total reaches 11 games.

  • Fallout Tactics: Brotherhood of Steel (2001)
  • Fallout: Brotherhood of Steel (2004)
  • Fallout Shelter (2015)
  • Fallout Pinball (2016)
  • Fallout Shelter Online (2019)

That “11 games” figure is widely used in fan discussions and articles answering “how many Fallout games are there.”

Quick forum-style takeaway

If you mean the big RPGs: 6 games.
If you mean every video game with Fallout in the title: 11 games so far , with Fallout 5 announced but not yet released.

Information gathered from public forums or data available on the internet and portrayed here.