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SENTRY

Fireblade Software

SENTRY is an action-defense first person shooter where you defend your spaceship against invading aliens. Plot an escape route through hostile space and battle the enemy across your vessel with the support of traps, turrets and environmental destruction.

ActionIndieStrategyEarly Access

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About This Game

As a member of the SENTRY Defense Program, you have been thawed from stasis to protect your vessel as it flees across space.

As you choose your escape route in the Navigator, encounters with alien vessels are unavoidable. They will board your ship and attempt to fight their way through different subsystems to destroy the Core.

Your SENTRY must thwart the enemy by bringing to bear an arsenal of potent ranged weaponry. Even with the best shooting abilities, holding back the hordes is only possible by deploying traps and turrets - and if all else fails, utilizing environmental destruction to stem their advance; a well-timed shot could vent aliens into space, a closed blast door could buy you time to set up new defenses.

SENTRY features a singleplayer campaign with the option to have an online friend fighting alongside you in co-op.

Should your SENTRY fall in battle, death is not the end. Another member of the crew will be thawed from stasis by the SENTRY Defense Program, ready to continue the fight.

Even if you fail to defend a level, defeat only changes the strategic landscape in the Ship Overview, forcing you to make new decisions on where to make your next defiant stand.

As long as there is a surviving SENTRY and the Core remains operational, your skills in combat mean victory can always be grasped from the jaws of defeat.

SENTRY aims to carve out its own path in the Action-Defense genre by featuring a campaign where your choices and performance matter. Battles are not one-off events, defeat doesn’t mean replaying a checkpoint. Everything feeds into the ongoing battle for your ship’s survival.

A SENTRY is fast, responsive - and therefore powerful. Deployable traps, turrets and environmental destruction opportunities are needed to supplement this power when facing near-overwhelming forces of reactive and aggressive enemies. Successful escapes will need to utilize a mixture of skill and planning, with discovery and upgrading of new equipment providing an edge in combat.

Combining all these elements evokes the feeling of being a beleaguered and outnumbered SENTRY. On the journey you may lose battles, but you can win the war.

Community Activity

  1. SENTRYSteam patch notes

    Updated Translations for 0.91.29842

    Hi everyone, we've implemented the translations for the new text that was added in Major Update 5 and the subsequent patch. These are now in build version 0.91.29842 and because…

  2. SENTRYSteam patch notes
  3. SENTRYSteam announcement

    Roadmap Update!

    Hi everyone, With the release of our latest Major Update we’re now on the path to Full Release, so we thought it was an appropriate time to update the Roadmap. First, if you…

  4. SENTRYSteam announcement

    The Prologue Update

    Hi everyone, we’ve released Major Update 5! All the additions and changes are listed below but a quick thank-you to everyone that played the betas and provided feedback – the…

  5. SENTRYSteam announcement

    MU5 Beta Branch build out now!

    Hi everyone, With Major Update 5 approaching we’ve released what should be the final beta branch preview of it. To access version 0.91.29585, you’ll need to switch to a beta…

  6. SENTRYSteam announcement
  7. SENTRYSteam announcement

    New Beta Branch update available!

    Hi everyone, Major Update 5 is approaching! There have been loads of changes and your thoughts will be vital in helping us make adjustments, so we’d love to get your feedback on…

  8. SENTRYSteam announcement

    Dev Transmission (May 2026)

    Hi everyone, While the Prologue is being tested we’ve been circling back to the main game this month and making some big changes. Before that though, just a quick update on our…

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