This page contains Sentinel Unlockables for Atari 2600 called "Play as the Alien Brigade and the Omega Fortress" and has been posted or updated on Oct 17, 2006 by antlion. Let us know what you think of this Unlockable by thumbs voting.
Play as the Alien Brigade and the Omega Fortress
During any of the levels listed below, fire a charge shot after you take at least 1 point of damage. While the charge shot is on-screen, press Start and press the Up directional button twice, then press the Right directional button once. After that, complete the level with the proper requirements listed below, and a menu will come up with the ships you have already unlocked. You can access it from the Start menu at any time.
|Unlockable:||How to Unlock:|
|Attack Patroler||Get over 200 kills on Bonus Stage 1|
|Lord Vlad||Get over 1000 kills on Level 20|
|Patrol Cruiser||Get over 500 kills on Level 1|
|Psywave Cruiser||Get over 800 kills on Level 7|
|The Omega Fortress Leader, Omegaman||Get over 5000 kills on all levels combined|
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