Sentry is an action-defense first person shooter where you defend your spaceship against a relentless alien threat. Use traps, turrets and environmental destruc
Sentry is an action-defense first person shooter where you defend your spaceship against a relentless alien threat. Use traps, turrets and environmental destruction to repel invading hordes and engage the enemy in fast-paced FPS action across a dynamic singleplayer or co-op campaign.