OpenSA (Swarm Assault) is a real time strategy game that requires you to control huge swarms of ants, beetles, spiders, scorpions and wasps in a desperate attempt to control the landscape. No resources, no population cap, just build your army and smash the enemy!

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OpenSA Version 20230905

OpenSA Version 20230905

Full Version

A hotfix release which fixes quite big issue in map editor. Plus adds other minor fixes.

OpenSA Version 20230730 [OUTDATED]

OpenSA Version 20230730 [OUTDATED]

Full Version

A new release which adds a lot new goodies to the game.

OpenSA Version 20210523 [OUTDATED]

OpenSA Version 20210523 [OUTDATED]

Full Version

Another version which does some balance changes, adds additional mission and fixes.

OpenSA Version 20210327 [OUTDATED]

OpenSA Version 20210327 [OUTDATED]

Full Version

This is a quick hotfix to solve some glitches and balance issues. Moreover, this version adds two new custom missions.

OpenSA Version 20210321 [OUTDATED]

OpenSA Version 20210321 [OUTDATED]

Full Version

A new version of OpenSA which has 100 missions and a lot of new cool features.

OpenSA Version 20201107 [OUTDATED]

OpenSA Version 20201107 [OUTDATED]

Full Version 11 comments

Another version of OpenSA. It adds 31 more missions, does again balance changes and fixes some important issues.

OpenSA Version 20201018 [OUTDATED]

OpenSA Version 20201018 [OUTDATED]

Full Version

The second version of OpenSA mod. Minor balance changes, crash fixes and 20 new missions! For full information, please read the changelog.

OpenSA Version 20201004 [OUTDATED]

OpenSA Version 20201004 [OUTDATED]

Full Version 11 comments

The first version of OpenSA mod. Build your army of bugs and annihilate the opposition!