The term Reactor may be referring to either of the following:
- UNSC Reactor - A building in Halo Wars.
- Reactor (level) - A campaign mission in Halo Wars.
- Forerunner Bonus Reactor - An extra reactor found on some Halo Wars multiplayer maps.
- Reactor (multiplayer map) - A multiplayer map in Halo Online.
- This is a disambiguation page - a navigational aid which lists other pages that might otherwise share the same title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.
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