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Theseus - Return of the Hero is an action shooter. Aliens swarm across forests, farms, and city streets while a lone fighter pushes back. Tackle 10 missions with open battlefields and upgrade gear between fights. Pick from six weapon types and shop for equipment before each run. Jump in and start clearing the invasion today.
Step 1
Open
Open the Theseus.exe file from the downloads list at the top right corner of this window.
Step 2
Allow
If prompted, click "Yes" on the system dialogs.
Step 3
Install
Wait for the installation to finish.
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