- iOS9 compatibility
- Balance tweaks and bug fixes
The galaxy's finest tower defense series returns with an epic new installment
Sentinel's award-winning strategy gameplay expands explosively as the interstellar war moves to a mysterious alien world. Deploy devastating new towers and technology against an enemy that's smarter and more deadly than ever before. Battle across vast landscapes and earn a wealth of upgrades as you explore the mystery of the Dark Star.
• A huge campaign across 26 unique maps, each also playable in Endless mode.
• A second campaign introducing more weaponry and exploring a different part of the Dark Star.
• Defend massive, multi-screen landscapes and marathon paths.
• A bestiary full of new and returning enemies. Their special abilities and varied behaviour will keep even veteran players on their toes.
• The aliens fight back with the ability to damage, disable and destroy towers. How will you choose to counter them?
• Pick your loadout from an extensive assortment of weaponry. Unlock Uber Towers that pack power to match their size.
• Deploy your own units onto the path to hinder attackers.
• Call in support from the skies with the Sentinel's trademark ship weapons.
• Unleash drones, nukes and more from your new improved Stronghold.
• Control Commander heroes to back up your defenses. Earn experience and level up to gain powerful new abilities.
• Real-time dynamic lighting and shader effects bring atmosphere to the alien landscape for the best Sentinel experience yet.**
• iCloud enabled for game saving across devices.
• GameCenter for leaderboards and achievements.
• Spend your earnings on a massive selection of persistent upgrades to support your play style and complement your tactics.
• Upload your score to the Global Nexus and contribute to the worldwide cooperative push for rewards.
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** Recommended for: iPad2+, iPhone4S+ and iPod Touch 5thGen+.
** The game will work on iPhone3GS, iPad1 and iPod Touch 4thGen but without these effects.
- August 15, 2014 Initial release
- August 31, 2014 New version 1.1.0
- September 10, 2014 New version 1.2.1
- September 29, 2014 New version 1.3.3
- September 30, 2014 Price decrease: $4.99 -> $2.99
- October 19, 2014 New version 1.4.1
- November 10, 2014 New version 1.4.2
- January 29, 2015 New version 2.0.9
- February 19, 2015 Price decrease: $2.99 -> FREE!
- February 23, 2015 Price increase: FREE! -> $2.99
- June 13, 2015 Price decrease: $2.99 -> FREE!
- June 17, 2015 Price increase: FREE! -> $0.99
- June 24, 2015 Price increase: $0.99 -> $1.99
- July 06, 2015 Price increase: $1.99 -> $2.99
- September 26, 2015 Price decrease: $2.99 -> FREE!
- October 05, 2015 Price increase: FREE! -> $1.99
- October 14, 2015 New version 2.2.2
- December 20, 2015 Price decrease: $1.99 -> $0.99